OpenAI Responses API / Pricing
Pricing changelog
What the public price page said on the day we opened it. One row means we have one reading. It does not mean the price sat still forever.
public page reviewed on stated date. Prices are snapshots, not a checkout quote. Taxes, regions, and annual deals can still surprise you.
| Checked | Public price | Source |
|---|---|---|
| November 7, 2026 | 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. Public price reviewed on this date. Earlier prices are not backfilled. | Pricing source |
Current directory line: 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.