Tool Profile

Claude Sonnet 5

Anthropic's agentic Sonnet model for browser, terminal, and planning workflows.

At a glance:

First seen:2026-06-30

Last seen:2026-06-30

Sightings:1

Source:anthropic.com

What it is

Anthropic's agentic Sonnet model for browser, terminal, and planning workflows.

Why developers recommend it

Commenters framed it as the cheaper, more agentic middle ground versus Opus.

Hacker News evidence

2026-06-30

HN commenters said Sonnet 5 can handle agentic computer use at lower cost than Opus 4.8, though some thought it over-optimizes for autonomous work.

Claude Sonnet 5