GPT-5 Codex API Benchmarks, Pricing & Provider Data
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GPT-5 Codex benchmark, API pricing, and provider data cover 510 API providers, with prices starting at $0.0041/request. GPT-5 Codex free API options are available from 3 providers. The page also shows measured API speed and first-token latency.
OpenAI GPT-5 Codex 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
#1Reasoning56.7Estimated2/4 Measured dimensions
#2Coding55.9Provisional1/4 Measured dimensions
#3Math54.7Provisional1/4 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$1.25/M#120 / 181Output price$10.00/M#139 / 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
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Coding
V3.0undefined metric} other undefined metrics}} · Provisional
Score55.980% interval42.0–69.91/4 Measured dimensionsLiveCodeBench84.0%#10 / 115SciCode40.9%#74 / 206
Coding
V3.0undefined metric} other undefined metrics}} · Provisional
Reasoning
V3.0undefined metric} other undefined metrics}} · Estimated
Score56.780% interval45.6–67.92/4 Measured dimensionsMMLU-Pro86.5%#16 / 129GPQA83.7%#74 / 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
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Math
V3.0undefined metric} other undefined metrics}} · Provisional
Score54.780% interval38.6–70.81/4 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
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Instruction following
V3.0undefined metric} other undefined metrics}} · No data
No data80% interval30.8–69.20/4 Measured dimensions
Instruction following
V3.0undefined metric} other undefined metrics}} · No data
Pricing Comparison
Compare GPT-5 Codex API pricing across 507 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-codex | default | -93%$0.086/M Cache read$0.0086/M | -93%$0.685/M | — | — | — | |
L1 100% | gpt-5-codex-medium | CodeX_05_token | $0.0068/request | - | — | — | — | |
L1 100% | gpt-5-codex | default | $0.014/request | - | — | — | — | |
L1 100% | gpt-5-codex-high | CodeX_05_token | $0.0068/request | - | — | — | — | |
L1 100% | gpt-5-codex-low | CodeX_05_token | $0.0068/request | - | — | — | — | |
L1 100% | gpt-5-codex-2025-09-15 | default | $10.27/M | $82.19/M | — | — | — | |
L1 100% | gpt-5-codex | default | -86%$0.171/M Cache read$0.017/M | -86%$1.37/M | — | — | — | |
L1 100% | gpt-5-codex | default | -23%$0.959/M | -23%$7.67/M | — | — | — | |
L1 100% | gpt-5-codex | default | $1.25/M Cache read$0.125/M | $10.00/M | — | — | — | |
L1 100% | gpt-5-codex-2025-09-15 | default | $75.00/M | $600.00/M | — | — | — | |
兔子API Free | L1 100% | gpt-5-codex | 官方优惠 | Free | Free | — | — | — |
L1 100% | gpt-5-codex | gpt-azure | -79%$0.266/M | -79%$2.13/M | — | — | — | |
L1 100% L2 62% | gpt-5-codex | default | $1.25/M Cache read$0.130/M | $10.00/M | — | — | — | |
L1 100% | gpt-5-codex | gpt-azure | $1.25/M | -37%$6.25/M | — | — | — | |
L1 100% | gpt-5-codex | default | -93%$0.086/M Cache read$0.0086/M | -93%$0.685/M | — | — | — | |
L1 100% | gpt-5-codex | default | -96%$0.051/M Cache read$0.0051/M | -96%$0.411/M | — | — | — | |
L1 100% | gpt-5-codex-2025-09-15 | default | -96%$0.051/M | -96%$0.411/M | — | — | — | |
L1 100% | gpt-5-codex | official | $1.25/M Cache read$0.130/M | $10.00/M | — | — | — | |
L1 99% | gpt-5-codex | az | -79%$0.257/M Cache read$0.026/MCache write$0.321/MCache write 1h$0.514/M | -79%$2.05/M | — | — | — | |
L1 99% | gpt-5-codex-high | gpt-vip | -52%$0.599/M Cache read$0.060/MCache write$0.749/MCache write 1h$1.20/M | -52%$4.79/M | — | — | — |
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Frequently Asked Questions
- What benchmark data does GPT-5 Codex include?
- LMSpeed shows GPT-5 Codex benchmark context, API price, output speed, first-token latency, and provider data across 510 providers when those signals are available.
- What is the GPT-5 Codex API price?
- GPT-5 Codex has pricing from 510 providers, ranging from $0.0041/request to $495.00/M. Yun API has the lowest listed price.
- What does the GPT-5 Codex API pricing table include?
- The GPT-5 Codex API pricing table compares 510 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 Codex API pricing?
- Yun API currently has the lowest listed GPT-5 Codex price at $0.0041/request across 510 providers.
- Can I compare GPT-5 Codex API price and speed together?
- Yes. LMSpeed shows GPT-5 Codex 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 Codex API free?
- Yes, GPT-5 Codex free API options are available through 3 providerundefined other undefined} on LMSpeed, including Dext API, 兔子API, 兔子API. These providers offer free API credits or a free tier with no per-token charges.
- Where can I get GPT-5 Codex free API access?
- LMSpeed currently lists 3 free API providerundefined other undefined} for GPT-5 Codex: Dext API, 兔子API, 兔子API. Check each provider row before using it because free tier limits can change.