Model profile
Claude Sonnet 4.5
ActiveClaude Sonnet 4.5 route with a strong balance of speed and intelligence for everyday coding and analysis tasks.
Everything you need to evaluate this model before wiring it into production.
claude-sonnet-4-5-20250929Provider
Anthropic
Launch status
Active
Context window
200K
Prompt caching
Supported
Capabilities
Check context size, supported modalities, and output limits before you integrate.
Context window
200K
Max output
16.4K
Input modalities
Text, Image
Output modalities
Text
Prompt caching
Supported