LLMilestonesA milestone timeline of AI and large language models

Act V · Reasoning and agents

Tool / protocolAnthropic

Claude 3.7 Sonnet and Claude Code

A hybrid reasoning model, plus a coding agent that reads, edits and runs code right in the terminal.

Why it matters

AI coding went from "complete this line" to "hand it a task", and coding agents boomed.

Built on

CopilotMCP

Led to

Claude 4OpenClaw

Source: anthropic.com ↗

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