Anthropic Launches Claude Opus 4.5 with New Features and 1M Token Context Window
Action Required
Users must migrate to the new Claude Opus 4.5 model or compatible models to maintain functionality and access the latest features, particularly given the deprecation of older models.
AI Impact Summary
Anthropic has released Claude Opus 4.5, a significant upgrade with enhanced capabilities including improved vision, coding, and computer use. Key additions include programmatic tool calling, tool search, and an effort parameter for controlling model depth. The company also announced the general availability of the 1M token context window, expanded media limits, and automatic caching for the Messages API, alongside several model deprecations and pricing adjustments. These updates represent a substantial evolution of the Claude platform, offering increased flexibility and performance for developers.
Affected Systems
- Date
- Date not specified
- Change type
- capability
- Severity
- high