GPT-5.1 Codex mini
Updated Sep 11, 2026
gpt-codex400k context128k max outputreleased Nov 13, 2025ReasoningTool calling
Official
—
output per 1M tokens
Providers
18
offering this model
Spread
1.1×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|---|---|---|---|---|
| Poe | Cheapest$0.22 | Cheapest$1.8 | $0.022 | — | 400k |
| Jiekou.AI | $0.225 | $1.8 | — | — | 400k |
| AIHubMix | $0.25 | $2 | $0.025 | — | 400k |
| Azure | $0.25 | $2 | $0.025 | — | 400k |
| Azure Cognitive Services | $0.25 | $2 | $0.025 | — | 400k |
| Eden AI | $0.25 | $2 | $0.025 | — | 272k |
| Helicone | $0.25 | $2 | $0.025 | — | 400k |
| Impossibl | $0.25 | $2 | $0.025 | — | 400k |
| Kilo Gateway | $0.25 | $2 | $0.03 | — | 400k |
| DevPass (LLM Gateway) | $0.25 | $2 | $0.025 | — | 400k |
| LLM Gateway | $0.25 | $2 | $0.025 | — | 400k |
| NanoGPT | $0.25 | $2 | $0.025 | — | 400k |
| Ofox | $0.25 | $2 | $0.03 | — | 256k |
| OpenCode Zen | $0.25 | $2 | $0.025 | — | 400k |
| OpenRouter | $0.25 | $2 | $0.03 | — | 400k |
| OrcaRouter | $0.25 | $2 | $0.025 | — | 400k |
| Vercel AI Gateway | $0.25 | $2 | $0.03 | — | 400k |
| ZenMux | $0.25 | $2 | $0.03 | — | 400k |