Claude 3.7 Sonnet

by Anthropic

Claude 3.7 Sonnet is a model from Anthropic, released on February 24, 2025. It has a 200K-token context window and can generate up to 128K output tokens. API pricing is $3 per 1M input tokens and $15 per 1M output tokens.

The most intelligent Claude model and the first hybrid reasoning model on the market. Claude 3.7 Sonnet can produce near-instant responses or extended, step-by-step thinking that is made visible to the user. Shows particularly strong improvements in coding and front-end web development.

Key specs

ProviderAnthropic
Release date2025-02-24
Licenseproprietary
Context window200K tokens
Max output128K tokens
Input price$3 / 1M tokens
Output price$15 / 1M tokens
Intelligence Score23.9
Coding index13.4

Quick answers

What is the context window of Claude 3.7 Sonnet?

Claude 3.7 Sonnet has a context window of 200K tokens, with a maximum output of 128K tokens per response.

How much does Claude 3.7 Sonnet cost?

Claude 3.7 Sonnet costs $3 per 1M input tokens and $15 per 1M output tokens through the API.

Is Claude 3.7 Sonnet open source?

No. Claude 3.7 Sonnet is a proprietary model from Anthropic (proprietary license).

When was Claude 3.7 Sonnet released?

Anthropic released Claude 3.7 Sonnet on February 24, 2025.

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