# GPT-5.1-Codex-Mini — price & specs

Source: https://modelbank.ai/models/gpt-5.1-codex-mini · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | OpenAI |
| Input price | $0.25 / 1M tokens |
| Output price | $2 / 1M tokens |
| Cached input | $0.03 / 1M tokens |
| Context window | 400,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | image,text |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / — |
| Released | 2025-11-13 |
| Retirement date | none announced |

## About

GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

## Price history

- 2026-09-24: $0.25 in / $2 out


JSON: https://modelbank.ai/api/v1/models/gpt-5.1-codex-mini