Unverified50% confidenceOpinionExact time
The posting user's tongue-in-cheek version evolution line is: Opus 3.0 was not very useful; Opus 4.7 could help with some basic tasks; Opus 5.0 was a good model; Opus 5.5 gave him the freedom to take time off.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/19/2026
First Seen
Valid until: 1/17/2027
Sources
Related Entities
Related Claims
UnverifiedAnthropic released Opus 5.5, skipping Opus 5.1 and jumping directly to the 5.5 naming.71% similarUnverifiedOn most tasks, Opus 5.5's performance is comparable to Fable 5.1.68% similarUnverifiedGoogle's Antigravity platform shows Opus 5.5 is available, but only for paid Pro and Ultra subscribers65% similar
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