OpenAI API pricing
OpenAI has 19 models on our tracker, from $0.018 / $0.090 (gpt-oss-20b) to $15.00 / $60.00 (o1) per million input / output tokens. Its most capable current model is GPT-6 Astra.
| $10.00 | $50.00 | $1.00 | 1.05M | 3 Sep 2026 | |
| $2.00 | $10.00 | $0.20 | 1.05M | 22 Sep 2026 | |
| $0.10 | $0.50 | $0.010 | 1.05M | 22 Sep 2026 | |
o1Shuts down 23 Oct |
$15.00 | $60.00 | $7.50 | 200K | 17 Dec 2024 |
o3Shuts down 11 Dec |
$2.00 | $8.00 | $0.50 | 200K | 16 Apr 2025 |
|
$4.00 | $20.00 | $0.40 | 1.05M | 9 Jul 2026 |
GPT-5.5Previous |
$5.00 | $30.00 | $0.50 | 1.05M | 23 Apr 2026 |
GPT-5.6 TerraPrevious |
$2.00 | $12.00 | $0.20 | 1.05M | 9 Jul 2026 |
GPT-5.4Previous |
$2.50 | $15.00 | $0.25 | 1.05M | 5 Mar 2026 |
GPT-5.2Previous |
$1.75 | $14.00 | $0.18 | 400K | 11 Dec 2025 |
GPT-4oPrevious |
$2.50 | $10.00 | $1.25 | 128K | 13 May 2024 |
GPT-5.6 LunaPrevious |
$0.20 | $1.20 | $0.020 | 1.05M | 9 Jul 2026 |
GPT-5.4 miniPrevious |
$0.75 | $4.50 | $0.075 | — | Mar 2026 |
GPT-5.4 nanoPrevious |
$0.20 | $1.25 | $0.020 | — | Mar 2026 |
GPT-5 miniPrevious |
$0.25 | $2.00 | $0.025 | 400K | 7 Aug 2025 |
GPT-5 nanoPrevious |
$0.050 | $0.40 | $0.005 | 400K | 7 Aug 2025 |
o4-miniPrevious |
$1.10 | $4.40 | $0.28 | 200K | 16 Apr 2025 |
Open weights · via OpenRouter |
$0.15 | $0.60 | — | 128K | 5 Aug 2025 |
Open weights · via OpenRouter |
$0.018 | $0.090 | — | 128K | 5 Aug 2025 |
Verified 27 Sep 2026OpenAI pricing
Pricing rules
- Batch and Flex processing cost 50% less.
- For GPT-5.4 and later, prompts longer than 272K tokens are billed at 2× the input price and 1.5× the output price.
- Cached input is billed at about a tenth of the input price.