Unverified60% confidenceFactExact time
In Anthropic's model naming, Opus represents peak performance, Sonnet represents balance between performance and cost, and Haiku represents lightweight speed
2
Sources
60%
Confidence
Long-term
Relevance
7/23/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedClaude模型命名采用能力分级：Opus代表旗舰性能级别，Sonnet居中，Haiku主打轻量高速74% similarVerifiedAnthropic uses the capability-tier naming of Claude 3 Haiku/Sonnet/Opus, corresponding to three inference cost tiers: speed-first, balanced, and performance-first, respectively.73% similarUnverifiedThe Claude series of models is divided into three tiers: Haiku (lightweight, fast, cheap), Sonnet (balanced), and Opus (most powerful, most expensive), with naming continuing the poetic genre.71% similarUnverifiedOpus is the flagship model with the largest parameter scale and the strongest reasoning depth and long-text processing capability, but with relatively slower response speed and the highest call cost.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/680217API
curl https://kongchang.com/api/v1/knowledge/claims/680217MCP
get_claim(id=680217)