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Claude 4.5 Sonnet (thinking) vs Claude 3.7 Sonnet (high output)

Detailed comparison of capabilities, features, and performance.

Claude 4.5 Sonnet (thinking)

Claude 4.5 Sonnet (thinking)

Anthropic
VS
Claude 3.7 Sonnet (high output)

Claude 3.7 Sonnet (high output)

Anthropic
Feature Claude 4.5 Sonnet (thinking) Claude 3.7 Sonnet (high output)
AI Lab Anthropic Anthropic
Context Size 1,000,000 tokens 204,800 tokens
Max Output Size 64,000 tokens 128,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context. The latest Sonnet 3.7 model from Anthropic

Learn more about Claude 4.5 Sonnet (thinking)

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Learn more about Claude 3.7 Sonnet (high output)

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