Rumor mill: some claim Opus 3.5 became Opus 4, others suspect it's really an 'Opus 3.6'
repligate · x · 2026-09-23
A forwarded post relays speculation that Anthropic's Opus 3.5 ultimately "became" Opus 4, though the poster isn't fully convinced and suspects Opus 4 might actually be an "Opus 3.6."
Unverified community chatter reflecting ongoing speculation about Anthropic's model versioning path.
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