Claude Sonnet 4.5 (latest)
anthropic/claude-sonnet-4-5
Balanced Claude model for coding, analysis, agent workflows, and cost control
Capabilities
ReasoningYes
Tool callingYes
Structured outputNo
TemperatureSupported
AttachmentYes
Open weightsNo
Limits
Context200,000 tokens
Max inputN/A
Max output64,000 tokens
Details
Familyclaude-sonnet
Knowledge cutoff2025-07-31
Release date2025-09-29
Last updated2025-09-29
Modalities
Inputtext, image, pdf
Outputtext
Benchmarks
SWE-Bench Pro
43.6
resolve rate
Community Rating
—
No ratings yet
Sign in to rate
Pricing
Cost per 1M tokens
InputN/A
OutputN/A