Unverified50% confidenceFactExact time
Anthropic announces version updates through official blog posts and technical reports, and has never used incremental decimal version numbers like '4.8'
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Is Claude Opus 4.8 Real? Risk Analysis of No-VPN AI Platforms
bilibiliAIGC技术流学院6/4/2026
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