Claude Sonnet 5

Name: Claude Sonnet 5
Author: Anthropic

Everyday Claude agent model for coding, planning, browsing, and general work

Live

Open / InstallLast updated August 22, 2026

Description

Everyday Claude agent model for coding, planning, browsing, and general work. Supports a context window of 1,000,000 tokens. Supports extended reasoning. Supports tool calling. Input priced at $2 per million tokens. Weights are not publicly released; access is via the provider API.

Author

Anthropic

Platform

api

Pricing model

paid

Capabilities

Text generation
1,000,000 token context
Extended reasoning
Tool calling
File attachments
Image input