Anthropic: Claude Sonnet 4.5
- Model ID
- anthropic/claude-sonnet-4.5
- Canonical slug
- anthropic/claude-4.5-sonnet-20250929
- Knowledge cutoff
- 2025-01-31
- Created
- 9/29/2025
Model dossier
Anthropic: Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Context1,000,000
Max output64,000
Pricing viewTVP price
textimagefiletoolsstructured
Modalitiestext+image+file->texttextimagefile
Context1,000,000
Max output64,000
TokenizerClaude
