HighCapability
Anthropic releases Claude Sonnet 4.6 with 1M token context window
Action Required
Organizations can now leverage a more capable and cost-effective AI model for complex tasks, potentially reducing reliance on more expensive models like Claude Opus.
AI Impact Summary
Anthropic is releasing Claude Sonnet 4.6, a significant upgrade to their Sonnet model family. This release dramatically improves coding skills, computer use capabilities, and long-context reasoning, bringing performance closer to that of the flagship Claude Opus model at a more accessible price point. The 1M token context window and improved consistency make Sonnet 4.6 a compelling option for a wider range of tasks, particularly those involving complex codebases or extensive document analysis.
Anthropic releases Claude Sonnet 4.6 with 1M token context window
Affected Systems
Claude Sonnet 4.6
- Date
- 17 Feb 2026
- Change type
- capability
- Severity
- high