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Claude 4.5 Sonnet (thinking) vs Claude 4.6 Opus Max

Detailed comparison of capabilities, features, and performance.

Feature
Claude 4.5 Sonnet (thinking)
Claude 4.6 Opus Max
Model Image
Claude 4.5 Sonnet (thinking)
Claude 4.6 Opus Max
AI Lab
Anthropic
Anthropic
Context Size
1,000,000 tokens
1,000,000 tokens
Max Output Size
64,000 tokens
125,000 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 Opus 4.6 model from Anthropic with effort set to max for highest reasoning and creativity, ideal for complex agentic tasks

Learn more about Claude 4.5 Sonnet (thinking)

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Learn more about Claude 4.6 Opus Max

View detailed specifications and capabilities

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Claude 4.6 Opus Max Claude 4.6 Opus Max

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