GPT-5.1 Codex Mini API Benchmarks, Pricing & Provider Data
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GPT-5.1 Codex Mini benchmark, API pricing, and provider data cover 298 API providers, with prices starting at $0.0041/request. GPT-5.1 Codex Mini free API options are available from 1 provider. 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.
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 3 / 8
- Methodology
- V3.0
#1Coding56.6Provisional1/4 Measured dimensions
#2Math53.4Provisional1/4 Measured dimensions
#3Reasoning53.2Estimated2/4 Measured dimensions
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
Features
Rankings
Excels at
Detailed scores
Updated: Sep 1, 2026Pricing
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Input price$0.250/M#45 / 181Output price$2.00/M#71 / 181
Pricing
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Agents
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Agents
V3.0undefined metric} other undefined metrics}} · No data
Coding
V3.0undefined metric} other undefined metrics}} · Provisional
Score56.680% interval42.7–70.51/4 Measured dimensionsLiveCodeBench83.6%#13 / 115SciCode42.6%#60 / 206
Coding
V3.0undefined metric} other undefined metrics}} · Provisional
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Score53.280% interval42.1–64.32/4 Measured dimensionsMMLU-Pro82.0%#50 / 129GPQA81.3%#88 / 213
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Knowledge
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Knowledge
V3.0undefined metric} other undefined metrics}} · No data
Math
V3.0undefined metric} other undefined metrics}} · Provisional
Score53.480% interval37.3–69.51/4 Measured dimensions
Math
V3.0undefined metric} other undefined metrics}} · Provisional
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multilingual
V3.0undefined metric} other undefined metrics}} · No data
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
Instruction following
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Instruction following
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OpenRouter endpoints
1 endpointsThird-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 |
|---|---|---|---|---|---|---|
Azure azure | $0.250/M | $2/M | 100% | — | — | undefined tokens / undefined tokens |
Pricing Comparison
Compare GPT-5.1 Codex Mini API pricing across 297 providers. Prices range from $0.0041/request to $495.00/M. Yun API offers the lowest rate at $0.0041/request. 1 provider offers free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 100% | gpt-5.1-codex-mini | default | -93%$0.017/M Cache read$0.0017/M | -93%$0.137/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | $0.014/request | - | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | default | -32%$0.171/M | -32%$1.37/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -86%$0.034/M Cache read$0.0034/M | -86%$0.274/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -23%$0.192/M | -23%$1.53/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | default | $75.00/M | $600.00/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | $75.00/M | $600.00/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 | 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 | gpt-azure | $19.93/M | $159.42/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -93%$0.017/M Cache read$0.0017/M | -93%$0.137/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | -96%$0.010/M Cache read$0.0010/M | -96%$0.082/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | default | -71%$0.072/M | -71%$0.575/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | official | $0.250/M Cache read$0.025/M | $2.00/M | — | — | — | |
L1 99% | 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 99% | gpt-5.1-codex-mini-2025-11-13 | az | $0.411/M | $3.29/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini | default | $0.375/M | $3.00/M | — | — | — | |
L1 100% | gpt-5.1-codex-mini-2025-11-13 | default | $1.88/M | $15.00/M | — | — | — | |
L1 99% | gpt-5.1-codex-mini | default | $75.00/M | $600.00/M | — | — | — |
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Frequently Asked Questions
- What benchmark data does GPT-5.1 Codex Mini include?
- LMSpeed shows GPT-5.1 Codex Mini benchmark context, API price, output speed, first-token latency, and provider data across 298 providers when those signals are available.
- What is the GPT-5.1 Codex Mini API price?
- GPT-5.1 Codex Mini has pricing from 298 providers, ranging from $0.0041/request to $495.00/M. Yun API has the lowest listed price.
- What does the GPT-5.1 Codex Mini API pricing table include?
- The GPT-5.1 Codex Mini API pricing table compares 298 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest GPT-5.1 Codex Mini API pricing?
- Yun API currently has the lowest listed GPT-5.1 Codex Mini price at $0.0041/request across 298 providers.
- Can I compare GPT-5.1 Codex Mini API price and speed together?
- Yes. LMSpeed shows GPT-5.1 Codex Mini API price, output speed, first-token latency, and provider health on the same page so you can compare cost and performance together.
- Is GPT-5.1 Codex Mini API free?
- Yes, GPT-5.1 Codex Mini free API options are available through 1 providerundefined other undefined} on LMSpeed, including 兔子API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get GPT-5.1 Codex Mini free API access?
- LMSpeed currently lists 1 free API providerundefined other undefined} for GPT-5.1 Codex Mini: 兔子API. Check each provider row before using it because free tier limits can change.