InfoCapability
Claude Sonnet 4.5/4: 1M Token Context Window Beta Retired
AI Impact Summary
Anthropic has concluded the beta program for the 1 million token context window on Claude Sonnet 4.5 and Claude Sonnet 4. Applications relying on this expanded context will now encounter errors when requests exceed the 200k-token limit. This impacts workflows that require processing large documents or complex, multi-turn conversations, necessitating a shift to standard context window usage or alternative solutions.
Claude Sonnet 4.5/4: 1M Token Context Window Beta Retired
Affected Systems
Claude Sonnet 4.5Claude Sonnet 4
- Date
- Date not specified
- Change type
- capability
- Severity
- info