Anthropic Launches Tool Calling, New Model Capabilities, and Deprecations
Action Required
Developers must update their applications to utilize the new features and migrate away from deprecated models to avoid service disruptions.
AI Impact Summary
Anthropic has released several significant platform enhancements, including programmatic tool calling and search, a new effort parameter for Claude Opus 4.5, and expanded model capabilities like the display field for extended thinking and data residency controls. Several models have been deprecated, including Claude Sonnet 3.7, Claude Haiku 3.5, and Claude Sonnet 4, requiring migration to newer versions. These changes impact developers who utilize the Claude API and platform, necessitating updates to their applications and workflows to maintain functionality and optimize performance.
Affected Systems
- Date
- Date not specified
- Change type
- capability
- Severity
- high