Unverified50% confidenceFactExact time
Anthropic isolates rate limits by model series, so Claude 3.5 Sonnet requests use a different bucket from Haiku or Opus.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/15/2026
First Seen
Valid until: 1/13/2027
Sources
Related Entities
Related Claims
VerifiedAnthropic uses the capability-tier naming of Claude 3 Haiku/Sonnet/Opus, corresponding to three inference cost tiers: speed-first, balanced, and performance-first, respectively.70% similarUnverifiedMapping all three tiers—Sonnet, Opus, and Haiku—to the same model endpoint is required for a domestic model to fully take over Claude Code; omitting Haiku will cause errors or fallback to the default configuration on lightweight requests.66% similarUnverifiedClaude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66% similar
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