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GPT-5.1 Codex Mini benchmark, API pricing, and provider data cover 191 API providers, with prices starting at $0.0041/request. GPT-5.1 Codex Mini free API options are available from 3 providers. The page also shows measured API speed and first-token latency.
OpenAI GPT-5.1 Codex Mini is a code-specialized variant in the GPT-5 series, optimized for code generation, debugging, and software development tasks.
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
Input and output token limits for this model, plus how it ranks on long-context understanding.
2 metrics
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2 metrics · Provisional
3 metrics · Estimated
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0 metrics · Provisional
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Third-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
OpenAI openai | $0.250/M | $2/M | 98.5% | — | — | 400K tokens / 100K tokens |
Azure azure | $0.250/M | $2/M | 83.3% | — | — | 400K tokens / 128K tokens |
Compare GPT-5.1 Codex Mini API pricing across 188 providers. Prices range from $0.0041/request to $495.00/M. Yun API offers the lowest rate at $0.0041/request. 3 providers offer free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 100% | gpt-5.1-codex-mini-2025-11-13 | 官转 | -79%$0.051/M | -79%$0.411/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -59%$0.103/M | -59%$0.822/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | Chat | -93%$0.017/M Cache read$0.0017/M | -93%$0.137/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | az | -79%$0.051/M Cache read$0.0051/MCache write$0.064/MCache write 1h$0.103/M | -79%$0.411/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | az | $0.411/M | $3.29/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | 官转 | -62%$0.096/M | -62%$0.764/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -24%$0.191/M | -24%$1.53/M | — | — | — | |
兔子API Free | L1 100% | gpt-5.1-codex-mini | 官方优惠 | Free | Free | — | — | — |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | 微软 | Free | Free | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | default | $0.025/request | - | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | $0.050/request | - | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | 官转 | -59%$0.103/M | -59%$0.822/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -18%$0.205/M | -18%$1.64/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -51%$0.122/M Cache read$0.012/M | -51%$0.979/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | gpt-azure | $0.250/M Cache read$0.025/M | $2.00/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | gpt-azure | $1.25/M | $6.25/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | $0.342/M | $2.74/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | 官转 | -79%$0.051/M | -79%$0.411/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -59%$0.103/M | -59%$0.822/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -73%$0.068/M Cache read$0.0068/M | -73%$0.548/M | — | — | — |
