Anthropic · LLM

Claude 3.7 Sonnet

Anthropic's first hybrid reasoning model, offering both standard responses and an extended thinking mode. Launched alongside Claude Code.

multimodal

Capabilities

Lineage

Predecessor

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This model

Claude 3.7 Sonnet

Feb 24, 2025

Successor

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View the full Claude lineage →

Claude 3.7 Sonnet head-to-head comparisons

Claude 3.7 Sonnet vs GPT-4o
Claude 3.7 Sonnet adds an optional extended-thinking mode and a larger context window; GPT-4o is natively multimodal with audio input.

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Background reading

Terms used on this page

Multimodal

Sources & verification

Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Oct 28, 2026

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