TAAFT
Free mode
100% free
Freemium
Free Trial
Deals

Claude Sonnet 4

Claude Sonnet 4 is Anthropic’s versatile Claude 4–tier model, upgraded over 3.7 to deliver stronger coding, analysis, and instruction-following. It pairs high accuracy with practical speed and now supports up to a 1M-token context window—enough for entire codebases or many papers in one go. Designed for reliable tool use and long-form reasoning, Sonnet 4 balances capability, cost, and latency for everyday builds and complex agentic workflows. Available via the Anthropic API and major clouds too.
New Text Gen 3
Released: May 22, 2025

Overview

Claude Sonnet 4 improves on Claude Sonnet 3.7 across a variety of areas, especially coding. It offers frontier performance that’s practical for most AI use cases, including user-facing AI assistants and high-volume tasks.

About Anthropic

Anthropic is a technology company specializing in artificial intelligence and machine learning solutions.

Industry: Research Services
Company Size: 2300-2900
Location: San Francisco, California, US
View Company Profile

Tools using Claude Sonnet 4

Last updated: February 3, 2026
0 AIs selected
Clear selection
#
Name
Task