Choose a model to open its comparison page.
O3 benchmark, API pricing, and provider data cover 374 API providers, with prices starting at $0.034/request. O3 free API options are available from 2 providers. The page also shows measured API speed and first-token latency.
OpenAI O3 is a reasoning model in the O series, designed for complex reasoning, problem-solving, and analytical 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.
1 metric
2 metrics
2 metrics
1 metric · Provisional
3 metrics · Provisional
5 metrics · Rated
5 metrics · Provisional
6 metrics · Estimated
0 metrics · No data
2 metrics · No data
1 metric · Provisional
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 | $2/M | $8/M | 100% | — | — | 200K tokens / 100K tokens |
Compare O3 API pricing across 372 providers. Prices range from $0.034/request to $56.51/M. KFCV50 offers the lowest rate at $0.034/request. 2 providers offer free API credits or a free tier.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 100% | o3-2025-04-16 | default | $2.00/M | $8.00/M | — | — | — | |
L1 100% | o3 | default | $2.00/M | $8.00/M | — | — | — | |
L1 100% | o3-2025-04-16 | default | -93%$0.137/M | -93%$0.548/M | — | — | — | |
L1 100% | o3 | default | -93%$0.137/M | -93%$0.548/M | — | — | — | |
L1 100% | o3-all | az | $0.082/request | - | — | — | — | |
L1 100% | o3 | 低价福利 | 波动临时资源 | -89%$0.219/M Cache read$0.055/M | -89%$0.877/M | — | — | — | |
L1 100% | o3-2025-04-16 | 低价福利 | 波动临时资源 | -89%$0.219/M Cache read$0.055/M | -89%$0.877/M | — | — | — | |
L1 100% | o3-2025-04-16-low | az | $15.41/M | $61.64/M | — | — | — | |
L1 100% | o3-2025-04-16-high | az | $15.41/M | $61.64/M | — | — | — | |
L1 100% | o3-2025-04-16-medium | az | $15.41/M | $61.64/M | — | — | — | |
L1 100% | o3-low | gpt-vip | $35.96/M | $143.84/M | — | — | — | |
L1 100% | o3-high | gpt-vip | $35.96/M | $143.84/M | — | — | — | |
L1 100% | o3-medium | gpt-vip | $35.96/M | $143.84/M | — | — | — | |
L1 100% | o3-2025-04-16 | default | -87%$0.255/M | -87%$1.02/M | — | — | — | |
L1 100% | o3 | default | -87%$0.255/M | -87%$1.02/M | — | — | — | |
L1 100% | o3 | default | $2.00/M Cache read$0.500/M | $8.00/M | — | — | — | |
L1 100% | o3-2025-04-16 | chatgpt-hight | $4.00/M Cache read$1.00/M | $16.00/M | — | — | — | |
L1 100% | o3-2025-04-16 | default | -86%$0.274/M | -86%$1.10/M | — | — | — | |
L1 100% | o3 | default | -86%$0.274/M | -86%$1.10/M | — | — | — | |
L1 100% | o3 | default | $0.600/request | - | — | — | — |
