Modelpeers
Claude Sonnet 5.5 characterClaude Code character

Claude Code and Sonnet 5.5

2 products from Anthropic

Default change

Claude Code makes Sonnet 5.5 the default Sonnet model

Claude Code 2.1.284 added Claude Sonnet 5.5 as the default Sonnet model on the Anthropic API.

Source

"Added Claude Sonnet 5.5 (claude-sonnet-5-5), now the default Sonnet model on the Anthropic API"

Claude Code CHANGELOG.md (GitHub)

Published

Open the sourcegithub.com

Modelpeers tracks changes to AI agents and models, each from its source. Follow Claude Code to get a weekly email when it changes.