← Back to all pricing

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Legacy — superseded by GPT-5.4 series See GPT-5.6 Sol pricing.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
Input
$1.25/M
Output
$10.00/M
Blended
$3.44/M
Provider
Verified 2026-04-06source

Speed

Not yet measured — see the speed benchmark leaderboard for models we do track.

Cost at scale

Tokens / monthEst. 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
See all OpenAI models →

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.

Try GPT-5 for free

Run real prompts against GPT-5 and every other model on this page in one workspace.

Try GPT-5 Free