Claude Opus 4.8 Max vs Claude 4.5 Sonnet

Detailed comparison of capabilities, features, and performance.

Claude Opus 4.8 Max

Claude Opus 4.8 Max

Anthropic
VS
Claude 4.5 Sonnet

Claude 4.5 Sonnet

Anthropic
Feature Claude Opus 4.8 Max Claude 4.5 Sonnet
AI Lab Anthropic Anthropic
Context Size 1,000,000 tokens 1,000,000 tokens
Max Output Size 128,000 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description Claude Opus with Max thinking. The latest Claude 4.5 Sonnet model from Anthropic with a 1M token context window.

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