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Claude 4.5 Haiku vs Claude 4.5 Sonnet (thinking)

Detailed comparison of capabilities, features, and performance.

Claude 4.5 Haiku

Claude 4.5 Haiku

Anthropic
VS
Claude 4.5 Sonnet (thinking)

Claude 4.5 Sonnet (thinking)

Anthropic
Feature Claude 4.5 Haiku Claude 4.5 Sonnet (thinking)
AI Lab Anthropic Anthropic
Context Size 200,000 tokens 1,000,000 tokens
Max Output Size 64,000 tokens 64,000 tokens
Frontier Model No Yes
Vision Support Yes Yes
Description The latest Claude 4.5 Haiku model from Anthropic with a 1M token context window. The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context.

Learn more about Claude 4.5 Haiku

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Learn more about Claude 4.5 Sonnet (thinking)

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