Claude 3.7 Sonnet (high output) vs Claude 4.5 Haiku

Detailed comparison of capabilities, features, and performance.

Claude 3.7 Sonnet (high output)

Claude 3.7 Sonnet (high output)

Anthropic
VS
Claude 4.5 Haiku

Claude 4.5 Haiku

Anthropic
Feature Claude 3.7 Sonnet (high output) Claude 4.5 Haiku
AI Lab Anthropic Anthropic
Context Size 204,800 tokens 200,000 tokens
Max Output Size 128,000 tokens 64,000 tokens
Frontier Model Yes No
Vision Support Yes Yes
Description The latest Sonnet 3.7 model from Anthropic The latest Claude 4.5 Haiku model from Anthropic with a 1M token context window.

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