GPT-5.1-Codex-Mini
OpenAIGPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
In
$0.25
Out
$2.00
Blended
$0.69
Where to buy this model
1 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $0.25 | $2.00 | $0.69 | - |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 400K
- max output
- 128K
- cache read /1M
- $0.03
- Family
- gpt
- Modalities
- image · text
- Features
- json · reasoning · tools
Live pricing, updated 2026-11-03.
OpenAI models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| GPT-5.6 Luna | $0.2 | $1.2 | 1.05M |
| GPT-5.6 Luna Pro | $0.2 | $1.2 | 1.05M |
| GPT-5.4 Nano | $0.2 | $1.25 | 400K |
| GPT-5 Mini | $0.25 | $2 | 400K |
| GPT-5.1-Codex-Mini · this model | $0.25 | $2 | 400K |
| GPT-4.1 Mini | $0.4 | $1.6 | 1.047576M |