Verified65% confidenceFactExact time
Anthropic uses the capability-tier naming of Claude 3 Haiku/Sonnet/Opus, corresponding to three inference cost tiers: speed-first, balanced, and performance-first, respectively.
3
Sources
65%
Confidence
Long-term
Relevance
7/10/2026
First Seen
Sources
The Truth About "GPT-5.6": Debunking Fake Rumors and Third-Party Top-Up Scams
bilibili小小阿白6667/9/2026
Related Claims
VerifiedThe Claude 3 series uses Haiku, Sonnet, and Opus to name different capability tiers76% similarUnverifiedIn Anthropic's model naming, Opus represents peak performance, Sonnet represents balance between performance and cost, and Haiku represents lightweight speed73% similarUnverifiedClaude has three main models: Haiku focuses on being lightweight and fast, Sonnet is the everyday workhorse, and Opus is the most powerful and most expensive.70% similar
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