How much does OpenAI API cost?
This build did not capture a OpenAI API price from the public pricing page. The newest cited change is Jul 30, 2026: OpenAI cuts GPT-5.6 Luna by 80% and Terra by 20%.
Model APIs · OpenAI
OpenAI API
Token prices for OpenAI models, distinct from ChatGPT subscriptions.
Current plans
No live price capture for this build.
HTTP 403 We do not fill the gap with a remembered price.
Open the official pricing pageQuestions people ask
Is there a free OpenAI API plan?
No $0 plan was in the Oct 16, 2026 capture.
When did OpenAI API last change its price?
The latest cited OpenAI API price change is Jul 30, 2026: OpenAI cuts GPT-5.6 Luna by 80% and Terra by 20%.
Price history
- Cheaper
OpenAI cuts GPT-5.6 Luna by 80% and Terra by 20%
OpenAI said on July 30, 2026 that GPT-5.6 Luna would cost 80% less and GPT-5.6 Terra 20% less. Starting that day, API prices were $2 per million input tokens and $12 per million output tokens for Terra, and $0.20 input and $1.20 output for Luna. Sol list pricing was unchanged. ChatGPT and Codex subscription prices were unchanged, while Terra and Luna usage would consume fewer credits. Fast mode for Sol was introduced at twice the standard price for up to 2.5x speed.
- Advancing the price-performance frontier with GPT-5.6 · July 30, 2026
Alternatives
Three other model apis tools on this desk. The placeholder affiliate link is labeled because AI Price Watch has no commercial relationship with these vendors.
Gemini API
Google AI developer prices for Gemini models, separate from the Gemini app subscription.
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