# Claude Opus 4.6 Review & Benchmarks (2026): Price, Context, Specs | Alher Tech

> Claude Opus 4.6 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-4-6/
- 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: April 22, 2026

## Specs

- **Vendor**: Anthropic
- **Released**: September 29, 2025
- **Context window**: 500K tokens
- **Input**: $15 / M tokens
- **Output**: $75 / M tokens

## Benchmarks

- **mmlu**: 90.8
- **gpqa**: 62.1
- **humanEval**: 91.4
- **arenaElo**: 1402
- **sweBench**: 53.4
- **sweBenchPro**: 47
- **liveCodeBench**: 72
- **aiderPolyglot**: 74
- **terminalBench**: 43
- **mmluPro**: 84
- **hle**: 19
- **aime**: 84
- **math500**: 95
- **mmmu**: 76

## Strengths

- Battle-tested flagship before Opus 4.7
- Strong agentic coding and tool use
- 500K-token context on most deployments

## Weaknesses

- Superseded by Opus 4.7 on reasoning and coding
- Smaller context than 4.7 (500K vs 1M)
- Same premium price as 4.7 without the upside

## Best for

- Stable production pipelines already validated on 4.6
- Enterprise contracts pinned to 4.6 before the 4.7 upgrade
- Benchmark reproducibility on published 4.6 results

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