$3.30/$16.50/M
ctx200Kmax64Kavail—tps—
Anthropic's most intelligent model yet. Excels at coding, analysis, and complex reasoning with state-of-the-art performance.
claude-sonnet-4-5-20250929
Common Name: Claude Sonnet 4.5 (20250929)
Anthropic
Released on Sep 29 12:00 AMKnowledge Cutoff Jul 31 12:00 AMSupportedTool InvocationSupportedReasoningSnapshot of Claude Sonnet 4.5 from September 29, 2025. Most intelligent model with exceptional coding and reasoning.
Specifications
Context200,000
Maximum Output64,000
Inputtext, image, pdf
Outputtext
Performance (7-day Average)
Uptime
TPS
RURT
Pricing
Input$3.30/MTokens
Output$16.50/MTokens
Batch Input$1.65/MTokens
Batch Output$8.25/MTokens
Cache Creation$4.13/MTokens
Cached Input$0.33/MTokens
Usage Statistics
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Documentation
No documentation available
This model (claude-sonnet-4-5-20250929) uses a dedicated API. Please refer to the official documentation for usage examples.