Anthropic Launches Claude Opus 4.6 with 1M Token Context Window
Action Required
Developers must migrate to Claude Opus 4.6 to leverage the expanded context window and new capabilities, requiring code updates and configuration changes.
AI Impact Summary
Anthropic is launching Claude Opus 4.6, a significant upgrade with a 1M token context window, adaptive thinking, and compaction API, alongside several other enhancements. The deprecation of manual thinking (budget_tokens) and the move to effort as the primary control for model depth represent a key shift. This release introduces new capabilities like fast mode and data residency controls, alongside improvements to existing features like tool streaming and structured outputs, impacting how developers can utilize the Claude API.
Affected Systems
- Date
- Date not specified
- Change type
- capability
- Severity
- critical