Claude Sonnet 4.6

Claude Sonnet 4.6 delivers frontier intelligence at scale—built for coding, agents, and enterprise workflows.

Retirement Date: Not sooner than February 17, 2027.

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Model ID	claude-sonnet-4-6
Launch stage	GA
Supported inputs & outputs	Inputs: Text, Code, Images, Documents Outputs: Text
Token limits	Maximum input tokens: 1,000,000 (preview) Maximum output tokens: 128,000
Capabilities	Supported Computer use Web search Preview feature Batch predictions Prompt caching Function calling Extended thinking Count tokens Not supported
Usage types	Supported Fixed quota Provisioned Throughput Not supported
Technical specifications
	Images	Limitation and specifications: See Vision in Anthropic's documentation
	Documents	Limitation and specifications: See PDF support in Anthropic's documentation
Versions	claude-sonnet-4-6 Launch stage: Generally available Release date: February 17, 2026
Supported regions
	Model availability (Includes fixed quota & Provisioned Throughput)	United States us-east5 Europe europe-west1 Asia Pacific asia-southeast1 Global global endpoint
	ML processing	United States Multi-region Europe Multi-region Asia Pacific asia-southeast1
Quota limits	us-east5: QPM: 1500 Context length: 1,000,000 (preview) europe-west1: QPM: 1800 Context length: 1,000,000 (preview) asia-southeast1: QPM: 1500 Context length: 1,000,000 (preview) global endpoint: QPM: 1500 Context length: 1,000,000 (preview)
Pricing	See Pricing.