Unverified50% confidenceFactExact time
Claude is a large language model series developed by Anthropic, with a product line divided into three capability tiers: Haiku, Sonnet, and Opus.
1
Sources
50%
Confidence
Long-term
Relevance
8/30/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedClaude's naming system follows the rule of 'Claude + major version number + product line,' with the product line divided into three tiers: Haiku, Sonnet, and Opus.77% similarVerifiedClaude Sonnet 4 is a new-generation large language model released by Anthropic, belonging to the mid-range product line of the Claude 4 series.73% similarUnverifiedClaude Sonnet 3.7 is a mid-to-high-end model released by Anthropic, belonging to the Sonnet tier of the Claude 3 series, positioned between the lightweight Haiku and the flagship Opus.72% similar
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