Claude Opus 4.6 is the flagship large language model from Anthropic, released on 2026-02-05 for advanced reasoning, complex coding, and enterprise agent workflows. It supports text and image inputs via API, offers a 200K-token standard context window with a 1M-token beta option, and enables outputs up to 128K tokens, with adaptive reasoning and context compaction for sustained tasks.
As of 2026-02-17, Anthropic also released Claude Sonnet 4.6, extending the 1M-token context window to a broader tier. Opus remains positioned for maximum depth and benchmark performance, while Sonnet 4.6 brings long-context capability to more cost- and latency-sensitive production use cases.
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Usage
Past 30 Days| Category | Passed | Score |
|---|---|---|
| Document Understanding | 7 / 9 | 77.8% |
| Object Understanding | 10 / 14 | 71.4% |
| Spatial Understanding | 13 / 19 | 68.4% |
| Defect Detection | 10 / 15 | 66.7% |
| Object Counting | 3 / 10 | 30% |
Scores based on single evaluation run · Methodology
View all Vision Evals →Claude Opus 4.6 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens.
Pricing updated Jun 21, 2026
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License terms and commercial-use guidance for Claude Opus 4.6 .
License information is provided as a guide and is not legal advice.