# Claude Opus 4.8 Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> Claude Opus 4.8 by Anthropic: benchmarks, pricing, context window, strengths and use cases. Data from official benchmark sources.

- Canonical page: https://alhertech.com/en/ai-comparison/claude-opus-4-8/
- 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**: Anthropic
- **Released**: May 28, 2026
- **Context window**: 1M tokens
- **Input**: $5 / M tokens
- **Output**: $25 / M tokens

## Benchmarks

- **mmlu**: 93
- **gpqa**: 67.5
- **humanEval**: 94.5
- **arenaElo**: 1435
- **sweBench**: 67
- **sweBenchPro**: 69.2
- **liveCodeBench**: 78
- **aiderPolyglot**: 82
- **terminalBench**: 50
- **mmluPro**: 87
- **hle**: 24
- **aime**: 90
- **math500**: 97
- **mmmu**: 80

## Strengths

- Leads agentic coding: 69.2% SWE-Bench Pro, ahead of Opus 4.7 (64.3%), GPT-5.5 and Gemini 3.1 Pro
- Strongest computer-use / browser-agent tested: 84% on Online-Mind2Web
- Longer autonomous runs and more honest self-reporting; 1M-token context with 128K max output

## Weaknesses

- Frontier-tier list price, overkill for high-volume, latency-sensitive traffic
- Slower than Haiku/Sonnet on simple tasks unless run in fast mode

## Best for

- Autonomous engineering agents
- Browser and computer-use automation
- Long-running research and document analysis

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