# GPT-5.1 Codex API prices

GPT-5.1 Codex (gpt-codex) — 400k context, 272k max output.
19 metered per-token offers from 19 provider(s), in USD per 1M tokens.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| OpenCode Zen | $1.07 | $8.5 | $0.107 | 400k |
| Poe | $1.1 | $9 | $0.11 | 400k |
| Jiekou.AI | $1.125 | $9 | — | 400k |
| Abacus | $1.25 | $10 | $0.125 | 400k |
| AIHubMix | $1.25 | $10 | $0.125 | 400k |
| Azure | $1.25 | $10 | $0.125 | 400k |
| Azure Cognitive Services | $1.25 | $10 | $0.125 | 400k |
| Eden AI | $1.25 | $10 | $0.125 | 272k |
| Helicone | $1.25 | $10 | $0.125 | 400k |
| Impossibl | $1.25 | $10 | $0.125 | 400k |
| Kilo Gateway | $1.25 | $10 | $0.13 | 400k |
| DevPass (LLM Gateway) | $1.25 | $10 | $0.125 | 400k |
| LLM Gateway | $1.25 | $10 | — | 400k |
| NanoGPT | $1.25 | $10 | $0.125 | 400k |
| OpenRouter | $1.25 | $10 | $0.13 | 400k |
| OrcaRouter | $1.25 | $10 | $0.125 | 400k |
| Vercel AI Gateway | $1.25 | $10 | $0.13 | 400k |
| Vivgrid | $1.25 | $10 | $0.125 | 400k |
| ZenMux | $1.25 | $10 | $0.12 | 400k |

## Summary

- Cheapest input: $1.07 per 1M tokens (OpenCode Zen)
- Cheapest output: $8.5 per 1M tokens (OpenCode Zen)
- First-party: not listed separately
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2025-11-13
- Inputs: audio, image, pdf, text

HTML page: https://llmprice.gitlab.io/models/gpt-5-1-codex/
Full dataset: https://llmprice.gitlab.io/data/catalog.json