Unverified50% confidenceFactExact time
Claude Haiku, Sonnet, and Opus are Anthropic's capability-tier naming conventions for its Claude model series, corresponding respectively to lightweight/fast/low-cost, balanced performance/medium cost, and flagship reasoning/high cost.
1
Sources
50%
Confidence
Long-term
Relevance
9/17/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAnthropic's Claude series has three tiers of products: Haiku (fast and cheap), Sonnet (balanced), and Opus (top-tier).80% similarUnverifiedAnthropic的Claude系列采用分级产品策略：Haiku定位轻量高速，Sonnet平衡性能与成本，Opus为旗舰级高能力模型79% similarVerifiedAnthropic's Claude models use a tiered naming system: Opus (most powerful), Sonnet (balanced), and Haiku (lightweight and fast)75% similar
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