Unverified50% confidenceFactExact time
Opus is the highest-positioned and most capable tier in Anthropic's Claude model family, relative to Sonnet and Haiku.
1
Sources
50%
Confidence
Long-term
Relevance
9/19/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedAnthropic's Claude model family currently includes multiple tiers: Haiku (lightweight and fast), Sonnet (balanced), and Opus (most capable)69% similarVerifiedAnthropic's Claude models use a tiered naming system: Opus (most powerful), Sonnet (balanced), and Haiku (lightweight and fast)67% similarUnverifiedAnthropic's Claude series adopts a tiered naming structure of Fable > Opus > Sonnet > Haiku.63% similar
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