# OpenAI o3: AI model fact sheet

- **Provider:** openai
- **Released:** 2025-04-16
- **Parameters:** Not disclosed
- **API pricing:** $10.00 / 1M input, $40.00 / 1M output
- **OpenRouter ID:** openai/o3
- **Capabilities:** conversation, reasoning, code-generation, analysis, image-generation

OpenAI's most powerful reasoning model, pushing the frontier across coding, math, science, and visual perception. Trained to think longer before responding and agentically use tools (web search, code execution, image generation) to solve complex problems. Sets new SOTA on benchmarks like Codeforces and MMMU.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| MMMU | 82.9% |
| MathVista | 87.5% |
| AIME 2025 (Python) | 98.4% |
| Codeforces Elo | 2706 |
| SWE-bench Verified | 69.1% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/o3