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Anthropic is an AI safety company founded in 2021, best known for the Claude family of large language models. Headquartered in San Francisco, Anthropic focuses on building reliable, interpretable, and steerable AI systems. Their Claude models are among the top-rated LLMs for writing, reasoning, coding, and long-document analysis.
Anthropic AI Models Portfolio
2026-04-16
Claude Opus 4.7
Claude Opus 4.7 is Anthropic's most capable AI model, featuring a 1M token context window and top-tier performance in coding and reasoning.
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2026-03-10
Claude Sonnet 4.6
Claude Sonnet 4.6 offers a balance of intelligence and speed.
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2026-02-15
Claude Haiku 4.5
Claude Haiku 4.5 is the fastest and cheapest model in the Claude 4 family.
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2023-08-09
Claude Instant 1.2
A legacy lightweight model from Anthropic.
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2023-11-21
Claude 2.1
Introduced the 200K context window.
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