Claude 3.7 Sonnet (high output) vs Claude 4.5 Sonnet
Detailed comparison of capabilities, features, and performance.
Feature
Claude 3.7 Sonnet (high output)
Claude 4.5 Sonnet
Model Image
AI Lab
Anthropic
Anthropic
Context Size
204,800 tokens
1,000,000 tokens
Max Output Size
128,000 tokens
64,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
The latest Sonnet 3.7 model from Anthropic
The latest Claude 4.5 Sonnet model from Anthropic with a 1M token context window.
Learn more about Claude 3.7 Sonnet (high output)
View detailed specifications and capabilities
View model details →Learn more about Claude 4.5 Sonnet
View detailed specifications and capabilities
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