openai/gpt-5.1-codex-mini
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
| Provider | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| OpenAI | $0.250 | $2.00 | 400K | 99.2% |
| Azurecache | $0.250 | $2.00 | 400K | — |
GPT-5.1-Codex-Mini costs $0.250 per million input tokens and $2.00 per million output tokens via OpenRouter, making it 113th cheapest of 298 paid models.
GPT-5.1-Codex-Mini scores 38.6 on the Artificial Analysis Intelligence Index, ranking 48th of 180 benchmarked models, with a GPQA Diamond score of 81%.
GPT-5.1-Codex-Mini generates around 126 tokens per second with 2.0s time-to-first-token (p50), the 39th fastest tracked model.
GPT-5.1-Codex-Mini supports a 400K-token context window and can output up to 100K tokens. It accepts image, text input.