# OpenAI o4-mini: AI model fact sheet

- **Provider:** openai
- **Released:** 2025-04-16
- **Parameters:** Not disclosed
- **API pricing:** $1.10 / 1M input, $4.40 / 1M output
- **OpenRouter ID:** openai/o4-mini
- **Capabilities:** conversation, reasoning, code-generation, analysis

A smaller, cost-efficient reasoning model from OpenAI optimized for speed. Achieves remarkable performance for its size, particularly in math, coding, and visual tasks. Supports significantly higher usage limits than o3 and can agentically use tools.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| AIME 2025 (Python) | 99.5% |
| Codeforces Elo | 2719 |
| MMMU | 81.6% |
| MathVista | 84.3% |
| SWE-bench Verified | 68.1% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/o4-mini