Claude is the AI assistant and model family founded by Anthropic in 2021, featuring a 200K token context window and a focus on safety alignment, with over $1 billion in annualized subscription revenue in 2025.
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1 results shownAnthropic Claude API Guide: Models, Tools, and Agents
A practical guide to the Claude API covering the Fable/Opus/Sonnet/Haiku model lineup, the Messages API, tool use, streaming, thinking, Claude Code, the Agent SDK, and per-token pricing.