# OpenAI API pricing

Published API prices per million tokens for tracked OpenAI models.

| Model | Input | Cached input | Output | Context |
|---|---:|---:|---:|---:|
| [o1-pro](https://benchlm.ai/models/o1-pro) | $150.00 | N/A | $600.00 | 200K |
| [GPT-5.4 Pro](https://benchlm.ai/models/gpt-5-4-pro) | $30.00 | N/A | $180.00 | 1.05M |
| [GPT-5.5 Pro](https://benchlm.ai/models/gpt-5-5-pro) | $30.00 | N/A | $180.00 | 1M |
| [GPT-5.2 Pro](https://benchlm.ai/models/gpt-5-2-pro) | $21.00 | N/A | $168.00 | 400K |
| [o3-pro](https://benchlm.ai/models/o3-pro) | $20.00 | N/A | $80.00 | 200K |
| [o1](https://benchlm.ai/models/o1) | $15.00 | N/A | $60.00 | 200K |
| [GPT-6 Astra](https://benchlm.ai/models/gpt-6-astra) | $10.00 | $1.00 | $50.00 | 1.05M |
| [GPT-4 Turbo](https://benchlm.ai/models/gpt-4-turbo) | $10.00 | N/A | $30.00 | 128K |
| [GPT-5.5](https://benchlm.ai/models/gpt-5-5) | $5.00 | $0.50 | $30.00 | 1M |
| [GPT Realtime 2](https://benchlm.ai/models/gpt-realtime-2) | $4.00 | $0.40 | $24.00 | 128K |
| [GPT Realtime 2.1](https://benchlm.ai/models/gpt-realtime-2-1) | $4.00 | $0.40 | $24.00 | 128K |
| [GPT-5.6 Sol](https://benchlm.ai/models/gpt-5-6-sol) | $4.00 | $0.40 | $20.00 | 1.05M |
| [GPT Realtime](https://benchlm.ai/models/gpt-realtime) | $4.00 | $0.40 | $16.00 | 32K |
| [GPT Realtime 1.5](https://benchlm.ai/models/gpt-realtime-1-5) | $4.00 | $0.40 | $16.00 | 32K |
| [GPT-5.4](https://benchlm.ai/models/gpt-5-4) | $2.50 | $0.25 | $15.00 | 1.05M |
| [GPT Audio 1.5](https://benchlm.ai/models/gpt-audio-1-5) | $2.50 | N/A | $10.00 | 128K |
| [GPT-4o](https://benchlm.ai/models/gpt-4o) | $2.50 | N/A | $10.00 | 128K |
| [GPT-4o Audio](https://benchlm.ai/models/gpt-4o-audio) | $2.50 | N/A | $10.00 | 128K |
| [GPT-5.6 Terra](https://benchlm.ai/models/gpt-5-6-terra) | $2.00 | $0.20 | $12.00 | 1.05M |
| [GPT-6 Sol](https://benchlm.ai/models/gpt-6-sol) | $2.00 | $0.20 | $10.00 | 1.05M |
| [GPT-6.1 Sol](https://benchlm.ai/models/gpt-6-1-sol) | $2.00 | $0.10 | $10.00 | 1.05M |
| [GPT-4.1](https://benchlm.ai/models/gpt-4-1) | $2.00 | N/A | $8.00 | 1M |
| [o3](https://benchlm.ai/models/o3) | $2.00 | N/A | $8.00 | 200K |
| [GPT-5.2](https://benchlm.ai/models/gpt-5-2) | $1.75 | N/A | $14.00 | 400K |
| [GPT-5.2-Codex](https://benchlm.ai/models/gpt-5-2-codex) | $1.75 | N/A | $14.00 | 400K |
| [GPT-5.3 Codex](https://benchlm.ai/models/gpt-5-3-codex) | $1.75 | N/A | $14.00 | 400K |
| [GPT-5.3 Instant](https://benchlm.ai/models/gpt-5-3-instant) | $1.75 | N/A | $14.00 | 128K |
| [GPT-5.2 Instant](https://benchlm.ai/models/gpt-5-2-instant) | $1.50 | N/A | $6.00 | 128K |
| [GPT-5 (high)](https://benchlm.ai/models/gpt-5-high) | $1.25 | N/A | $10.00 | 400K |
| [GPT-5.1](https://benchlm.ai/models/gpt-5-1) | $1.25 | N/A | $10.00 | 400K |
| [GPT-5.1-Codex](https://benchlm.ai/models/gpt-5-1-codex) | $1.25 | $0.125 | $10.00 | 400K |
| [GPT-5.1-Codex-Max](https://benchlm.ai/models/gpt-5-1-codex-max) | $1.25 | $0.125 | $10.00 | 400K |
| [o3-mini](https://benchlm.ai/models/o3-mini) | $1.10 | N/A | $4.40 | 200K |
| o4-mini | $1.10 | N/A | $4.40 | 200K |
| [GPT-5.4 mini](https://benchlm.ai/models/gpt-5-4-mini) | $0.75 | $0.075 | $4.50 | 400K |
| [GPT-4o mini TTS](https://benchlm.ai/models/gpt-4o-mini-tts) | $0.60 | N/A | $12.00 | 2K |
| [GPT Realtime 2.1 Mini](https://benchlm.ai/models/gpt-realtime-2-1-mini) | $0.60 | $0.06 | $2.40 | 128K |
| [GPT Realtime mini](https://benchlm.ai/models/gpt-realtime-mini) | $0.60 | $0.06 | $2.40 | 32K |
| [GPT-4.1 mini](https://benchlm.ai/models/gpt-4-1-mini) | $0.40 | N/A | $1.60 | 1M |
| [GPT-5 mini](https://benchlm.ai/models/gpt-5-mini) | $0.25 | N/A | $2.00 | 128K |
| [GPT-5.4 nano](https://benchlm.ai/models/gpt-5-4-nano) | $0.20 | $0.02 | $1.25 | 400K |
| [GPT-5.6 Luna](https://benchlm.ai/models/gpt-5-6-luna) | $0.20 | $0.02 | $1.20 | 1.05M |
| [GPT-4o mini](https://benchlm.ai/models/gpt-4o-mini) | $0.15 | N/A | $0.60 | 128K |
| [GPT-4o mini Audio](https://benchlm.ai/models/gpt-4o-mini-audio) | $0.15 | N/A | $0.60 | 128K |
| [GPT-6 Luna](https://benchlm.ai/models/gpt-6-luna) | $0.10 | $0.01 | $0.50 | 1.05M |
| [GPT-4.1 nano](https://benchlm.ai/models/gpt-4-1-nano) | $0.10 | N/A | $0.40 | 1M |
| [GPT-5 nano](https://benchlm.ai/models/gpt-5-nano) | $0.05 | N/A | $0.40 | 400K |

Last updated: October 8, 2026

Canonical page: https://benchlm.ai/openai/api-pricing