Expired50% confidenceOpinionExact time
Some observers speculate Claude Opus 4.8 might be a distilled version of the upcoming model called Claude Mythos
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Deep Dive into Claude Opus 4.8: The AI Paradox of Being More Honest Yet Better at Gaming Tests
bilibili皮皮蟹勇闯天涯6/1/2026
Related Claims
UnverifiedNews has emerged that the Opus 4.7 model is about to be released.74% similarUnverifiedBoth Fable 5 and Claude Opus 4.8 are flagship AI models under Anthropic.71% similarUnverifiedThe newly released Claude Opus 4.7 and Mythos Preview mark Claude's ability to be end-to-end responsible for task outcomes and to handle highly ambiguous tasks71% similarUnverifiedOpus 5是从超大基座模型Mythos蒸馏而来的70% similar
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