Directory · 73 tools · 44 companies

Find the tool. Then read the catch.

Profiles, prices, and the fine print a vendor's homepage hopes you skip. It's not a ranking.

These are short takes on what is worth using, what to keep an eye on, and what you can skip, for a specific kind of reader, based on the public sources we link. We didn't use the products ourselves. Prices are what we saw on the day we checked.

Search names, makers or descriptions

Amazon Bedrock

AWS · Agent infrastructure

AWS access to foundation models and supporting services such as knowledge bases and guardrails.

Usage depends on provider, model, modality and service tier. Knowledge bases and other services can add separate charges.

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toolUse

Amazon Q Developer

AWS · Coding agents

A development assistant available in IDE and CLI workflows.

Free tier with limits; Pro $19/user/month, with higher allowances and administrative features.

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toolUse

AssemblyAI

AssemblyAI · Voice & audio

Speech-to-text with a published hourly rate, plus text to speech.

$50 in free credits. Universal-3.5 Pro pre-recorded is $0.21 an hour. Streaming bills the open socket, not just the audio. Text to speech is $15 per million characters.

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toolWatch

Cartesia

Cartesia · Voice & audio

Speech models and voice agents sold as credits.

Free is 20,000 credits a month. A $49 plan includes 1.25 million credits. Voice-agent minutes are a separate prepaid balance.

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toolUse

ChatGPT

OpenAI · AI for work

A conversational assistant with file, research and writing features that depend on plan.

Free version; paid plans are priced per user/month. The public page did not expose stable numeric paid amounts in our text capture.

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toolUse

Claude

Anthropic · AI for work

A conversational assistant available on web, desktop and mobile with plan-dependent tools.

Free $0; Pro $20/month billed monthly, or $200 billed up front annually. Limits apply.

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toolWatch

Claude Code

Anthropic · Coding agents

An agentic coding tool for repository and terminal workflows, described in its official overview.

Included with eligible Claude plans, including Pro; plan limits apply. API-backed usage follows separate billing.

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toolUse

Cloudflare AI Gateway

Cloudflare · Agent infrastructure

Gateway controls including analytics, caching and rate limiting.

Core features free. New-gateway logs follow Workers Logs billing; Unified Billing credit purchases have a 5% fee. Provider inference costs remain.

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toolWatch

ComfyUI

Comfy Org · Open source & local AI

A node graph for local image and video models.

Free under GPL-3.0. Nodes and models you add can carry other licenses.

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toolWatch

Microsoft Copilot Studio

Microsoft · Agents

A platform for creating, deploying and managing custom agents connected to business workflows.

Prepaid or pay-as-you-go consumption; public page lists 25,000-credit packs at $200/pack/month. Credit use varies by action.

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toolUse

CrewAI

crewAI · Open source & local AI

A Python framework for role-shaped agents.

The library is MIT. Model calls are billed by the provider you choose.

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toolWatch

Cursor CLI

Cursor · Coding agents

A command-line agent with interactive and non-interactive workflows documented by Cursor.

Uses Cursor plan and model rules: Free plus paid tiers; eligible third-party model usage draws prepaid credit.

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toolWatch

Cursor editor

Cursor · Coding agents

An AI coding environment with agent workflows and model selection.

Free $0; Plus $8/month; Premium $30/month. Third-party models on eligible tiers use prepaid credit at API list price.

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toolUse

Deepgram

Deepgram · Voice & audio

Speech-to-text, text-to-speech, and voice agents.

$200 free credit, then pay as you go. Nova-3 monolingual pre-recorded is $0.0043 a minute. Aura-2 is $0.030 per 1,000 characters.

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toolWatch

DeepSeek weights

DeepSeek · Models

Open-weight DeepSeek models. The license lives on the model card.

Weights are posted per model. There is no single price that covers every DeepSeek checkpoint.

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toolWatch

Devin

Cognition · Coding agents

A coding agent with a desktop app and cloud sessions.

Free is $0 with a light quota. Pro is $20 a month. Max is $200. Teams is $80 a month plus $40 per full seat. Extra use is API pricing.

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toolWatch

ElevenLabs Scribe

ElevenLabs · Voice & audio

Speech-to-text tools for recorded and real-time transcription, with timestamps and speaker features.

Free and paid shared-credit plans. The speech-to-text page lists plan-specific minutes; Starter is $6/month before taxes after promotion.

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toolWatch

ElevenLabs Text to Speech

ElevenLabs · Voice & audio

Speech generation with plan-dependent voice features, credit usage and licensing.

Free $0/month with 10,000 shared credits; Starter $6/month after first-month promotions. Commercial license listed on Starter.

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toolUse

Exa

Exa · Search & research

A search API for agents, with contents and an answer endpoint.

Free credit is $10, resetting monthly. Lite search is $4 per 1,000 requests. Answer is $5 per 1,000. The first 10 results are in the base price.

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toolUse

Flowise

Flowise · Open source & local AI

A visual builder for LLM flows you host yourself.

Free under Apache 2.0. Any model you connect is billed separately.

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toolUse

FLUX.1 schnell

Black Forest Labs · Video

The Apache-licensed FLUX.1 schnell image model.

The schnell weights are free under Apache 2.0. Other FLUX checkpoints use other licenses.

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toolWatch

Gemini Developer API

Google · Models

A developer API with model-specific free and paid access.

Free and paid tiers vary by model. Some models have no free tier; thinking and tool-related tokens may be billable.

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toolUse

Gemini Omni

Google · Video

Google's native video model in the Gemini API.

Gemini Omni 1.2 Flash is generally available. Google's post prices 720p at $0.07 a second, 30 percent under Omni 1.1, for clips up to 15 seconds.

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toolUse

GitHub Copilot

GitHub · Coding agents

Coding assistance with completions, agent features and model access that vary by plan.

Free $0; Pro $10/user/month; Pro+ $39/user/month. Plan credits and model restrictions apply.

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toolWatch

GitHub Copilot CLI

GitHub · Coding agents

A terminal-based coding agent documented by GitHub.

Copilot CLI is listed in Copilot Free; paid plans expand allowances and model access. Credits vary by model.

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toolUse

Google AI Studio

Google · Build & deploy

Google’s browser-based starting point for exploring Gemini and developing API-backed workflows.

AI Studio access is listed in the Gemini API free tier; paid API usage and model eligibility are separate.

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toolWatch

GPT-Live

OpenAI · Voice & audio

OpenAI's live voice session, including outbound SIP.

gpt-live-1 is $0.05 a minute, billed per second. Backend model and tool use are charged separately. Realtime audio tokens are a different table, at $32 in and $64 out per million for gpt-realtime-2.1 audio.

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HeyGen

HeyGen · Video

Avatar video and translation.

Free is three watermarked videos a month. Creator is $29 a month. Pro starts at $49. Business is $149 plus $20 a seat.

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toolWatch

Hugging Face Inference Providers

Hugging Face · Agent infrastructure

Hosted access to inference providers with centralized pay-as-you-go billing.

Pay-as-you-go provider rates with no Hugging Face markup. PRO includes $2/month compute credits; free users must buy credits or upgrade.

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toolUse

Hugging Face Hub

Hugging Face · Models

A Hub for discovering and sharing models, datasets and Spaces.

Account upgrades include PRO $9/month and Team $20/user/month. Storage and compute charges are separate.

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toolWatch

Jan

Jan · Open source & local AI

A desktop app that runs local models and exposes a local API.

Free to download. The README states Apache 2.0. Confirm the LICENSE file you install.

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toolWatch

Kimi

Moonshot AI · Models

Moonshot's Kimi models, including open-weight checkpoints.

Weights are free to download where the model card allows it. Hosted Kimi is a separate account.

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toolUse

LangGraph

LangChain · Agents

An orchestration framework for stateful agent workflows, with explicit graph structure and execution control.

Self-managed runtime and model costs apply. Managed deployment and LangSmith features have separate pricing.

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toolUse

LangSmith

LangChain · Agent infrastructure

A platform for tracing, evaluation and agent-development workflows.

Developer $0/seat/month plus usage, up to 5,000 base traces/month. Plus $39/seat/month plus usage.

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toolWatch

Llama

Meta · Models

Meta's Llama open-weight models.

Weights are free under the Llama community license, which is not an OSI open-source license.

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toolUse

llama.cpp

llama.cpp · Open source & local AI

A local inference engine for GGUF-style model files.

The engine is free under the repository license. You supply the model.

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toolWatch

LM Studio

LM Studio · Open source & local AI

A desktop app for chatting with local models.

Free to download. The desktop app is not open source.

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toolWatch

Luma Dream Machine

Luma AI · Video

Hosted video and image generation.

Plus is $30 a month, or $25 billed yearly, with 10,000 credits. Pro is $90, or $75 yearly, with 40,000 credits.

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Make

Make · Agents

Hosted scenarios that connect apps, billed in credits.

Free includes 1,000 credits a month. Most actions cost one credit. Credits expire at the end of the term. AI steps can cost more.

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toolWatch

Microsoft 365 Copilot

Microsoft · AI for work

Workplace AI integrated with Microsoft 365 applications, with license-dependent capabilities.

Plan and license dependent; the public page combines annual commitments, promotions and advanced-AI consumption billing. Verify the eligible SKU.

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toolWatch

MiniMax weights

MiniMax · Models

MiniMax open-weight checkpoints.

Download terms are on the model card. A hosted MiniMax plan is a different product.

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toolUse

Mistral OCR

Mistral AI · Agent infrastructure

A document OCR API for extracting content from documents, documented in Mistral’s document AI guide.

OCR is billed per 1,000 pages rather than ordinary chat tokens; downstream model use is separate.

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toolWatch

Mistral open weights

Mistral · Models

Mistral models you can download, as distinct from the paid API.

Some Mistral checkpoints are Apache 2.0. The hosted API is a separate bill. Read the card.

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toolWatch

Mistral Studio

Mistral · Agents

Mistral's hosted place to run agents and workflows.

The announcement describes managed agents, workflows, and apps in the cloud, a VPC, or on premises. It does not list a starter price.

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toolWatch

Mistral Vibe

Mistral AI · Agents

An assistant experience with chat, search, creation and coding access described on the pricing page.

Free access with limits; Pro and Team subscriptions available. Limits, taxes and API-credit benefits vary by plan.

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toolWatch

n8n

n8n · Open source & local AI

A workflow tool with AI nodes. Source-available, not OSI open source.

Starter is 20 euros a month billed annually. Pro is 50 euros. The community edition is free for your own internal use.

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toolUse

Ollama

Ollama · Open source & local AI

A local runner for open-weight chat models.

Free to download. The app license is MIT. Each model you pull has its own license.

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toolWatch

Open WebUI

Open WebUI · Open source & local AI

A chat interface you host in front of Ollama or another model server.

Free to self-host. The license restricts branding changes above a stated user count.

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toolUse

OpenAI Responses API

OpenAI · Models

A model API surface with usage billed at the selected model and tool rates.

No separate Responses API fee; model tokens and tool usage are billed. Example: GPT-6.1 Terra standard short-context $1/M input and $5/M output tokens.

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toolWatch

Perplexity Agent API

Perplexity · Search & research

An API providing third-party model access with token-based billing and separately priced tools.

Model-specific token rates; tool calls such as web search add separate charges. See the public API rate card.

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toolUse

Perplexity Search API

Perplexity · Search & research

A web-search API with separate request-based billing listed in Perplexity’s rate card.

Search API: $5 per 1,000 successful requests; Fast Search: $1 per 1,000 successful requests. No token billing for Search API.

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toolWatch

Perplexity Teammates

Perplexity · Agents

Personal agents that run long projects, remember goals and files across runs, and report back.

Perplexity Max subscribers; web now, iOS soon

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toolWatch

Qwen

Alibaba Cloud · Models

Alibaba's Qwen open-weight family.

Many Qwen cards use Apache 2.0. Confirm the card. A hosted DashScope bill is separate.

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toolWatch

Replit Agent

Replit · Coding agents

A hosted agent that builds and deploys apps inside Replit.

Free mode is listed. Personal is $20 a month or $18 billed annually, with $20 toward models. Commercial is $100 or $90 billed annually.

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toolWatch

Runway

Runway · Video

A hosted studio for AI video and images.

Free includes 125 one-time credits. Standard is $12 a month billed yearly. Pro is $28. Max is $76. Models spend credits at different rates.

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toolWatch

Stable Diffusion

Stability AI · Video

The Stable Diffusion image models.

Weights are free to download under the license on the model card, which adds use restrictions.

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toolWatch

Synthesia

Synthesia · Video

Scripted avatar video.

Basic is free. Starter is $19 a month, or $14 a month billed yearly. Pro is sold in credit tiers.

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toolWatch

Tavily

Tavily · Search & research

Search API credits for agents.

Free Researcher plan: 1,000 API credits a month, no card. Paid use is pay as you go. Credit cost depends on the request type.

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toolWatch

v0

Vercel · Build & deploy

A generation and editing product with visual design, code and Vercel deployment workflows.

Free and paid plans; paid usage includes credit allowances and additional-credit purchases. Confirm the selected billing term.

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toolUse

Vercel AI SDK

Vercel · Build & deploy

A TypeScript toolkit with provider abstractions and UI building blocks for AI applications.

Model provider and hosting charges remain separate. The SDK overview does not quote a per-request SDK subscription.

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toolUse

vLLM

vLLM · Open source & local AI

An Apache-licensed server for open-weight models.

Free under Apache 2.0. You pay for the GPUs.

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toolUse

Whisper

OpenAI · Voice & audio

OpenAI's open speech-recognition models and code.

The repository is free to download. OpenAI's hosted transcription API is a separate, metered product.

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toolUse

Cloudflare Workers AI

Cloudflare · Agent infrastructure

Managed model inference integrated with the Workers platform.

10,000 neurons/day free allocation; paid usage above that is $0.011/1,000 neurons on Workers Paid. Model units vary.

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toolWatch

Zapier MCP

Zapier · Agents

An MCP connection layer for actions in applications connected to Zapier.

Included in every Zapier plan; each tool call uses two tasks from the shared task quota.

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toolUse

Zapier workflows

Zapier · Agents

Task-based automation combining app workflows, data tables and forms.

Free and paid task-based plans; allowance, task type and billing commitment affect the bill.

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toolUseevidence limited

Claude Code 2.1.319

Anthropic · Coding agents

Background MCP tasks and a permissions.denyInsteadOfPrompting setting for unattended runs.

Existing Claude Code plans

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toolWatch

Web Answer on Bedrock AgentCore

AWS · Agent infrastructure

One call returns a synthesized, cited web answer for your agent, over MCP.

Per-tool-call pricing; US East (N. Virginia) only

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toolUseevidence limited

Codex CLI 0.167

OpenAI · Coding agents

An agent command center (codex agents) that flags unread results across several agents.

Free CLI; model usage billed by plan

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Cursor Live Apps

Cursor · Build & deploy

A cloud agent builds the app, sets up a database and auth, and publishes it to a shareable link.

Requires a cloud agent on a paid Cursor plan

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Tencent Hy4

Tencent · Models

Open-source-bound model with vision and computer use; weights promised "in the coming days."

About $0.90 / $2.70 per million tokens

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Gemini 4 Carbon

Google · Models

Google's strongest model for cybersecurity and long-horizon tasks.

$2 / $10 per million tokens introductory, when available

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toolIgnore

Genie 4

Google DeepMind · Models

Real-time interactive world simulation with native audio.

Research preview, waitlist

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toolUseevidence limited

GPT-6.1 Terra

OpenAI · Models

Fast, cheaper model for computer use, visual reasoning, writing and coding.

API prices 50% below GPT-5.6 Terra (reported $1 / $5 per million tokens)

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companyWatch

Alibaba Cloud

Company profile · Models

Publisher of the Qwen open-weight model family.

License and any API price are per checkpoint, not one family-wide bill.

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companyUse

Anthropic

Company profile · Models

The company behind Claude and Claude Code.

Claude Free is $0; Pro is $20/month when billed monthly. Max starts at $100/month. Usage and model restrictions apply.

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companyUse

AssemblyAI

Company profile · Voice & audio

Speech-to-text and a newer text-to-speech API.

$50 in free credits. Universal-3.5 Pro pre-recorded is $0.21 an hour. Text to speech is $15 per million characters.

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companyWatch

AWS

Company profile · Agent infrastructure

Amazon Bedrock model services and Amazon Q Developer coding assistance.

Bedrock varies by model, modality and tier. Q Developer offers Free and Pro at $19/user/month.

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Black Forest Labs

Company profile · Video

Maker of the FLUX image models.

schnell weights are free under Apache 2.0. Other checkpoints and any hosted API are priced separately.

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companyWatch

Cartesia

Company profile · Voice & audio

Speech models and voice agents, sold as monthly credits.

Free is $0 with 20,000 credits a month. A $49 plan includes 1.25 million credits. Scale is $299.

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companyUse

Cloudflare

Company profile · Agent infrastructure

Workers AI inference and AI Gateway for managing model traffic.

Workers AI includes 10,000 neurons/day; paid usage above this is $0.011/1,000 neurons. Gateway core features are free, with separate paid services.

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companyWatch

Cognition

Company profile · Coding agents

Maker of Devin, the desktop and cloud coding agent sold on windsurf.com.

Free is $0. Pro is $20 a month. Max is $200. Teams is $80 a month plus $40 a month per full seat.

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companyWatch

Comfy Org

Company profile · Open source & local AI

Makers of ComfyUI, a node-based local image and video workflow tool.

The app is free. The license is GPL-3.0, which is a condition, not a suggestion.

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companyUse

crewAI

Company profile · Open source & local AI

A framework for role-shaped agents written in Python.

The library is free under MIT. Model calls are billed by whoever hosts them.

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companyWatch

Cursor

Company profile · Coding agents

An AI coding environment and command-line agent.

Free $0; Plus $8/month; Premium $30/month. Higher tiers exist. Third-party models require eligible plans and prepaid credit.

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companyUse

Deepgram

Company profile · Voice & audio

Speech-to-text, text-to-speech, and voice agents, billed on use.

Pay as you go starts with $200 in free credit. Nova-3 monolingual pre-recorded is $0.0043 a minute. Aura-2 speech is $0.030 per 1,000 characters.

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companyWatch

DeepSeek

Company profile · Models

Open-weight language models and a hosted chat product.

Weights are posted per model. Read that model's license before commercial use.

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companyWatch

ElevenLabs

Company profile · Voice & audio

Speech generation and Scribe speech-to-text tools.

Free $0/month with 10,000 credits; Starter $6/month after any first-month promotion. Credits are shared across products.

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companyUse

Exa

Company profile · Search & research

A search API for agents, priced per request.

Free tier is $10 in credits on signup, resetting to $10 on the first of the month. Lite search is $4 per 1,000 requests. Answer is $5 per 1,000.

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companyUse

Flowise

Company profile · Open source & local AI

A visual builder for LLM flows you can host yourself.

The software is free under Apache 2.0. Hosting and model fees are yours.

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companyUse

GitHub

Company profile · Coding agents

Copilot coding assistance in editors, the cloud and the terminal.

Copilot Free $0; Pro $10/user/month; Pro+ $39/user/month. Credits and model access vary by plan.

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companyWatch

Google

Company profile · Models

Gemini developer models and AI Studio for prototyping with them.

Gemini Developer API has free and paid tiers; eligibility and rates vary by model. AI Studio access is listed in the free tier.

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companyWatch

HeyGen

Company profile · Video

Avatar and translation video, with a credit system.

Free is $0. Creator is $29 a month. Pro starts at $49. Business is $149 plus $20 a seat.

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companyUse

Hugging Face

Company profile · Agent infrastructure

A model and dataset Hub with hosted inference provider access.

PRO $9/month; Team $20/user/month. Hosted compute and storage have separate metered charges and limits.

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companyWatch

Jan

Company profile · Open source & local AI

A desktop app for running local models, with an OpenAI-compatible local server.

Free to download. Treat the repository license as the terms.

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companyUse

LangChain

Company profile · Agents

LangGraph agent orchestration and LangSmith tracing and evaluation.

LangSmith Developer $0/seat/month plus usage; Plus $39/seat/month plus usage. Self-managed frameworks have separate runtime costs.

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companyUse

llama.cpp

Company profile · Open source & local AI

A local inference engine for running language models on CPUs and GPUs.

The engine is free under the repository license. Models are extra.

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companyWatch

LM Studio

Company profile · Open source & local AI

A desktop app for running local models, with a chat window.

Free download. Redistribution is governed by the terms, not by an MIT grant.

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companyWatch

Luma AI

Company profile · Video

Hosted image and video generation, including Ray models.

Plus is $30 a month, or $25 billed yearly, with 10,000 credits. Pro is $90, or $75 yearly.

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companyWatch

Make

Company profile · Agents

A hosted automation tool that bills in credits per action.

The free plan includes 1,000 credits a month. Paid plans sell larger credit bundles. Extra credits are sold in packs of 1,000 or 10,000.

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companyWatch

Microsoft

Company profile · AI for work

Microsoft 365 Copilot for work and Copilot Studio for building agents.

Microsoft 365 plans vary by license and billing commitment. Copilot Studio offers prepaid and pay-as-you-go consumption.

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companyWatch

MiniMax

Company profile · Models

Publisher of MiniMax open-weight models and a hosted product.

The model card states the grant. A hosted plan is a different purchase.

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companyWatch

Mistral AI

Company profile · Models

Vibe assistant and APIs including document OCR.

Vibe has Free, Pro and Team options. API billing depends on model or service; OCR is priced by pages rather than chat subscription seats.

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companyWatch

Moonshot AI

Company profile · Models

Maker of Kimi, including open-weight Kimi checkpoints.

Download terms are on each model card. A hosted Kimi account is a separate product.

Read the profile →

companyWatch

n8n

Company profile · Open source & local AI

A source-available workflow tool with AI nodes.

Cloud plans start at 20 euros a month billed annually for Starter, and 50 euros for Pro. The community edition is free for internal use.

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companyUse

Ollama

Company profile · Open source & local AI

A local app and server for running open-weight models.

Free to download. The application license is MIT. Model licenses are separate.

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companyWatch

Open WebUI

Company profile · Open source & local AI

A self-hosted chat interface for local and remote models.

Free to run. Branding rules are in the license, not in a price table.

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companyWatch

OpenAI

Company profile · Models

ChatGPT and model APIs for writing, analysis and application development.

ChatGPT has a free version and paid per-user plans. API usage is billed separately by model, tokens and tools.

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companyWatch

Perplexity

Company profile · Search & research

Model APIs with search tools, plus a standalone web-search API.

Agent API uses model-specific token rates plus separate tool charges. Search API is $5/1,000 successful requests, or $1/1,000 for Fast Search.

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companyWatch

Replit

Company profile · Coding agents

A hosted workspace that builds and runs apps from a prompt.

A free mode is listed. Personal is $20 a month, or $18 billed annually, with $20 toward models. Commercial is $100 a month, or $90 billed annually.

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companyWatch

Runway

Company profile · Video

A hosted studio for generated video, images, and audio.

Free plan with 125 one-time credits. Standard is $12 a month billed yearly. Pro is $28. Max is $76.

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companyWatch

Stability AI

Company profile · Video

Publisher of Stable Diffusion and related image models.

Weights are free to download under the license on the model card. That license adds use limits.

Read the profile →

companyWatch

Synthesia

Company profile · Video

Scripted avatar video for explainers and training.

Basic is $0. Starter is $19 a month, or $14 a month billed yearly. Pro credit tiers are listed separately.

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companyWatch

Tavily

Company profile · Search & research

A search API aimed at agents, with a free monthly credit.

Researcher is free with 1,000 API credits a month and no card. Paid use is pay as you go. A Project plan is also listed.

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companyUse

Vercel

Company profile · Build & deploy

The AI SDK for developers and v0 for generating and editing applications.

v0 has free and paid plans with credits. AI SDK usage still requires paying for the selected model and hosting services.

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companyUse

vLLM

Company profile · Open source & local AI

A server for serving open-weight models behind an API.

The software is free under Apache 2.0. Compute is your cost.

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companyWatch

Zapier

Company profile · Agents

Workflow automation and MCP access to connected application actions.

Free and paid task-based plans. MCP is included in each plan; each MCP tool call uses two tasks from the shared quota.

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