# OpenAI o3 Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> OpenAI o3 by OpenAI: benchmarks, pricing, context window, strengths and use cases. Data from official benchmark sources.

- Canonical page: https://alhertech.com/en/ai-comparison/o3/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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Last updated: August 10, 2026

## Specs

- **Vendor**: OpenAI
- **Released**: April 16, 2025
- **Context window**: 200K tokens
- **Input**: $2 / M tokens
- **Output**: $8 / M tokens

## Benchmarks

- **mmlu**: 90.2
- **gpqa**: 83.3
- **humanEval**: 92.4
- **arenaElo**: 1418
- **sweBench**: 69.1
- **sweBenchPro**: 56
- **liveCodeBench**: 80
- **aiderPolyglot**: 79
- **terminalBench**: 48
- **mmluPro**: 85
- **hle**: 20.3
- **aime**: 91.6
- **math500**: 97
- **mmmu**: 78

## Strengths

- Best-in-class reasoning (GPQA 83%)
- Deliberate thinking mode for hard problems
- Excellent coding on competitive benchmarks

## Weaknesses

- Slow. Thinks for seconds to minutes before answering
- Expensive per interaction due to reasoning tokens
- Not suitable for realtime UX

## Best for

- Scientific and mathematical problem solving
- Code review and complex debugging
- Research assistants for experts

[Compare with other AI models](https://alhertech.com/en/ai-comparison/)