# OpenAI o4 Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> OpenAI o4 by OpenAI: benchmarks, pricing, context window, strengths and use cases. Data from official benchmark sources.

- Canonical page: https://alhertech.com/en/ai-comparison/o4/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

---

Last updated: April 22, 2026

## Specs

- **Vendor**: OpenAI
- **Released**: February 12, 2026
- **Context window**: 256K tokens
- **Input**: $12 / M tokens
- **Output**: $48 / M tokens

## Benchmarks

- **mmlu**: 92.5
- **gpqa**: 87.1
- **humanEval**: 94
- **arenaElo**: 1438
- **sweBench**: 72
- **sweBenchPro**: 60
- **liveCodeBench**: 85
- **aiderPolyglot**: 83
- **terminalBench**: 53
- **mmluPro**: 88
- **hle**: 28
- **aime**: 94
- **math500**: 98
- **mmmu**: 80

## Strengths

- Current state-of-the-art on GPQA (87%)
- Thinking budget you can tune per request
- Beats o3 on every reasoning benchmark

## Weaknesses

- Slow: up to minutes per reply
- Reasoning tokens inflate real cost per answer
- Not suited for realtime chat UX

## Best for

- Deep research assistants
- Math olympiad + science problem solving
- Code review on hard algorithmic bugs

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