Expired65% confidenceFactTime unknown
In the Claude model family, Opus is the flagship model and Sonnet is the balanced choice between performance and cost, with the per-call token cost of Opus being significantly higher than that of Sonnet.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Related Claims
UnverifiedThe Sonnet series is typically designed as a mid-tier model optimized for speed and cost, while Opus is the flagship model with a higher capability ceiling.80% similarVerifiedClaude Sonnet is the mid-range version of Anthropic's model family that balances performance and speed, positioned between the lightweight Haiku and the flagship Opus.71% similarVerifiedIn Anthropic's model naming system, Opus represents the most powerful version, Sonnet is the mid-tier version, and Haiku is the lightweight version.69% similarUnverifiedWithin Anthropic's product line, the Opus series focuses on the strongest reasoning capability, the Haiku series focuses on being lightweight and fast, and the Sonnet series strikes a balance between the two.69% similarUnverified测试者认为Opus 5是优秀的编程模型，能力与Sonnet 5差距不大且价格更低68% similar
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