Search

anthropic.com › research › diff-tool

A “diff” tool for AI: Finding behavioral differences in new models

… In software engineering, whenever a program is updated, developers face this exact problem of identifying a small, critical change within a vast sea of code. …

Mar 13, 2026

anthropic.com › news › claude-opus-4-6

Claude Opus 4.6

… Product and API updates We’ve made substantial updates across Claude, Claude Code, and the Claude Platform to let Opus 4.6 perform at its best. Claude Platform On the API, we’re giving developers better control over model effort and more flexibility for long-running agents. …

Feb 5, 2026