o3
About
OpenAI o3 reasoning model with advanced multi-step problem-solving capabilities.
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution
Providers(3)
Compare all →| Provider | Input (per 1M) | Output (per 1M) | Type | |
|---|---|---|---|---|
| OpenAI API | $10 | $40 | Serverless | |
| OpenRouter | $2 | $8 | Serverless | |
| OpenAI Batch API | $1 | $4 | Serverless |
Benchmark Scores(7)
| Benchmark | Score | Version | Source |
|---|---|---|---|
| HumanEval | 96.7 | 2025-04 | OpenAI |
| SWE-bench Verified | 71.7 | 2025-01 | OpenAI |
| LiveCodeBench | 79.1 | 2025-04 | OpenAI |
| Aider Polyglot | 81.3 | 2026-04 (high) | https://aider.chat/docs/leaderboards |
| Chatbot Arena | 1412.0 | — | https://lmarena.ai |
| Google-Proof Q&A | 87.7 | diamond | https://openai.com/index/openai-o3-and-o4-mini-system-card/ |
| Massive Multi-discipline Multimodal Understanding | 82.9 | — | https://mmmu-benchmark.github.io/ |