Also known as Claude - Anthropic, Anthropic’s Claude, Claude 2, Claude Instant, Claude 2.1, claude.ai, Claude AI, Claude (language model)
Claude is a series of large language models developed by Anthropic and first released in 2023. Since Claude 3, each generation has typically been released in three sizes, from least to most capable: Haiku, Sonnet, and Opus. An additional model named Claude Mythos was released to some companies in 2026 but not to the public.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).
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