GPT-5 API Pricing — $1.25/M input, $10.00/M output
Classic intelligent reasoning model for coding and agentic tasks.
Legacy — superseded by GPT-5.4 series See GPT-5.6 Sol pricing.
No announced shutdown date. Source · Full retirement tracker
Speed
Not yet measured — see the speed benchmark leaderboard for models we do track.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $0.34 |
| 1,000,000 | $3.44 |
| 10,000,000 | $34.38 |
| 100,000,000 | $343.75 |
How GPT-5 compares
GPT-5 Nano — $0.14/MGPT-4o Mini — $0.26/MGPT-5.6 Luna — $0.45/MGPT-5.4 Nano — $0.46/MGPT-5 Mini — $0.69/MGemini 3.6 Flash — $3.38/MGemini 3.5 Flash — $3.38/MGPT-4.1 — $3.50/M
FAQ
Is GPT-5 cheaper than Gemini 3.6 Flash?
GPT-5 costs $3.44/M blended tokens, Gemini 3.6 Flash costs $3.38/M — Gemini 3.6 Flash is cheaper.
How much does 1 million tokens cost with GPT-5?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $3.44. Pure input costs $1.25/M; pure output costs $10.00/M.
Who provides GPT-5?
GPT-5 is served by OpenAI. Pricing was last verified on 2026-04-06 against https://openai.com/api/pricing.
