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Claude 3.7 Sonnet (thinking) vs Claude 4.5 Opus

Detailed comparison of capabilities, features, and performance.

Claude 3.7 Sonnet (thinking)

Claude 3.7 Sonnet (thinking)

Anthropic
VS
Claude 4.5 Opus

Claude 4.5 Opus

Anthropic
Feature Claude 3.7 Sonnet (thinking) Claude 4.5 Opus
AI Lab Anthropic Anthropic
Context Size 204,800 tokens 200,000 tokens
Max Output Size 64,000 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description The latest Sonnet 3.7 model from Anthropic The latest Opus 4.5 model from Anthropic

Learn more about Claude 3.7 Sonnet (thinking)

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Learn more about Claude 4.5 Opus

View detailed specifications and capabilities

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More model comparisons

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Claude 4.5 Sonnet (thinking) Claude 4.5 Sonnet (thinking)
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Claude 4.6 Opus Claude 4.6 Opus
VS
Claude 4.5 Opus Claude 4.5 Opus
Claude 4.6 Opus Max Claude 4.6 Opus Max
VS
Claude 4.5 Opus Claude 4.5 Opus

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