Anthropic
Anthropic is a Foundation Models company founded in 2021 and based in San Francisco, United States. It has raised $121.4B in total funding, most recently a Series H in 2026 at a $965B valuation.
Creates Claude — the frontier LLM family that powers Claude Code, the terminal-based coding agent that became the breakout developer tool of 2025. Claude Code launched May 2025 and quickly became the reference implementation for terminal-based agentic coding; models integrated into Cursor, Copilot, and most IDE tools.
Claude Code is widely considered the most capable autonomous coding agent in the terminal, and Claude Opus 4 supports 7-hour uninterrupted coding sessions with 1M-token context windows.
anthropic.com ↗·Foundation Models·
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