OpenAI API Pricing (2026)
Current OpenAI API plans and a tracked history of every pricing change — extracted weekly from the official pricing page, not copied from other blogs.
Last verified: Jul 19, 2026 · Open dataset (JSON) · CC-BY 4.0
Current Plans
- GPT-4o$2.50/1M input · $10/1M output
- GPT-4o mini$0.15/1M input · $0.60/1M output
- GPT-4 Turbo$10/1M input · $30/1M output
- GPT-3.5 Turbo$0.50/1M input · $1.50/1M output
Priced per million tokens; batch API and cached input lower effective cost.
OpenAI API Pricing FAQ
Does OpenAI API have a free tier?
No — OpenAI API does not currently offer a free tier; its entry plan is GPT-4o at $2.50/1M input · $10/1M output.
How much does OpenAI API cost?
OpenAI API paid plans: GPT-4o at $2.50/1M input · $10/1M output, GPT-4o mini at $0.15/1M input · $0.60/1M output, GPT-4 Turbo at $10/1M input · $30/1M output, GPT-3.5 Turbo at $0.50/1M input · $1.50/1M output. Prices are re-verified weekly against the official pricing page.
What pricing model does OpenAI API use?
OpenAI API uses usage-based pricing. Priced per million tokens; batch API and cached input lower effective cost.
Related
Methodology: every week our pipeline extracts the prices published on OpenAI API’s official pricing page and compares them with the previous week; detected changes are listed above. See the full pricing tracker for all tracked tools. Data reusable with attribution (CC-BY 4.0).