Anthropic released Claude Haiku 4.5, the small/fast tier of the Claude 4 family.
Claude Code · Official · Oct 15, 2025
An agentic coding tool that runs in your terminal. Claude Code understands your entire codebase, writes and edits files, runs commands, and executes multi-step tasks autonomously — no IDE required.
Anthropic released Claude Haiku 4.5, the small/fast tier of the Claude 4 family.
Claude Sonnet 4.5: mid-tier Anthropic model, stronger at coding and agentic tool use.
Anthropic released Claude Opus 4 alongside Sonnet 4, marking the start of the Claude 4 family.
Anthropic launched Claude Code, a CLI software-engineering agent powered by Claude models.
Visit Claude Code's official website for product details and getting started.