OpenAI
GPT-5.1 Codex mini
GPT-5.1 Codex mini by OpenAI — compare inference API pricing across providers.
Input from
$0.250 / 1M tokens
across 1 provider
API Pricing
| Provider | Input / 1M | Output / 1M | Cached / 1M |
|---|---|---|---|
| $0.250 | $2.00 | $0.030 |
Prices updated daily. Last check: Aug 31, 2026
GPT-5.1 Codex mini pricing by provider
Input, output, and batch rates, plus alternatives, for one provider at a time.
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
31.3 / 100
Math
91.7 / 100
Reasoning & Knowledge
- MMLU-Pro82.0%
- GPQA Diamond81.3%
- Humanity's Last Exam18.5%
Coding
- LiveCodeBench83.6%
- SciCode42.6%
Math
- AIME 202591.7%
Agentic & Tool Use
- Terminal-Bench Hard33.3%
- τ²-bench62.9%
Instruction & Long Context
- IFBench67.9%
- Long-Context Reasoning65.0%
Benchmarks measured Aug 2026. Scores are independent evaluations, not vendor-reported.
Model Details
General
- Creator
- OpenAI
- Modalities
- Text
Capabilities
- Tool Calling
- No
- Open Source
- No