Expired50% confidencePredictionExact time
The release window for Sonnet 4.8 and Opus 4.8 may be mid-to-late June, and some Anthropic partners are already conducting internal evaluations.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
June AI Showdown: Mythos, Sonnet 4.8, and GPT-5.6 All Revealed
bilibili安得广厦千万间6785/28/2026
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