Claude 3.7 Sonnet

Claude 3.7 Sonnet

A Claude model with hybrid reasoning and code collaboration

freemium
Last Updated 11/2/2026

About Claude 3.7 Sonnet

Claude 3.7 Sonnet is a hybrid reasoning model from Anthropic that supports standard and extended thinking modes and brings improvements in coding and front-end web development. Through the API you can control the thinking budget, up to 128K tokens within the output limit. The companion Claude Code can search, read, and edit code, write and run tests, commit and push code to GitHub, and use command-line tools.

Best for

Software developers
Front-end developers
Engineering teams

Best use cases

Code generation and refactoring

Front-end web development

Reading and modifying codebases

Testing and GitHub collaboration

Features

Hybrid reasoning

Supports standard and extended thinking modes.

API thinking budget

Set a thinking token budget of up to 128K tokens within the output limit.

Code collaboration

Claude Code can search, read, and edit code, and write and run tests.

GitHub and command line

Commit and push code to GitHub, and use command-line tools.

Pros

  • Offers hybrid reasoning and an extended thinking mode
  • Improved coding and front-end web development
  • Controllable API thinking budget
  • Claude Code covers code, tests, and command-line collaboration

Cons

  • Extended thinking mode is not available on the free Claude tier
  • Claude Code remains a limited research preview

Pricing Plans

Free

$0Not specified
  • Provides the free Claude tier

API

$3 per million input tokens and $15 per million output tokensPay as you go
  • Standard and extended thinking modes cost the same
  • Includes thinking tokens

* Pricing information is for reference only. Please refer to the latest announcement on Claude 3.7 Sonnet's official website.

FAQ

Standard and extended thinking modes cost the same: $3 per million input tokens and $15 per million output tokens.
No; extended thinking is available on every usage surface except the free Claude tier.

Tool Information

DeveloperClaude 3.7 Sonnet
Release Date9/6/2026
Pricingfreemium