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
- Not supported
Usage types
- Supported
- 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
