Expired50% confidenceOpinionExact time
There are community rumors that Opus 5.5 and Sonnet 5.5 outperform OpenAI's models codenamed Sol and Astra in some comparisons.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/29/2026
First Seen
Valid until: 10/13/2026(expired)
Sources
Related Entities
Related Claims
Unverified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73% similarUnverifiedOn computer use and world knowledge tasks, Sonnet 5 has approached the level of Opus 4.8, but still lags notably behind Opus 4.8 in the domain of agentic programming69% similarUnverifiedAnthropic officially states that Opus 5.5 achieves Fable 5.1-level coding performance on most tasks.66% similarVerifiedIn Anthropic's model naming system, Opus represents the most powerful version, Sonnet is the mid-tier version, and Haiku is the lightweight version.65% similarUnverifiedPerplexity's connector issue is especially pronounced when using the Sonnet 5 model.65% similar
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