User Claims Running "Opus 5.5" Solo on an Agent, But the Version Number Is Unverified
alvelda · x · 2026-09-23
- User @LCSlates posted that an agent running on "Opus 5.5" completed a task on its own, calling it "something new," sharing the prompt and an agent read-out.
- Anthropic has no Opus 5.5 release; the version label is unverified and could be a typo, internal channel, or mislabel — not enough evidence of a real model upgrade.
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