Claude Opus 5.6+ (Anthropic) release date

Question

The '+' means any version at or above 5.6 counts: if Anthropic skips 5.6 and releases Claude Opus 5.7 or Opus 6, that still counts for the purpose of this market. Minor changes to the name, or other names for a model generally expected to be called Claude Opus 5.6, will also count.

The model must be accessible without individual vetting or invitation — free or paid, via API or product. Open, non-selective waitlists count. Closed betas, invite-only access, researcher programs, A/B tests, and anonymous benchmark appearances do not. Country-level bans do not prevent resolution.

See also:

@8AyI5Np5yl

@OchSUnInIq

@2OzL6Q56y8

@2CqdhIO9cU

@AzzEpzA8ys

@ntStglnQz0

@RlI6hyuNpU

@2Rh2t5hALp

@NONz6Ntycp

@l9lRst5288

@ORA9UAlgdI

@QL5hAdgQld

@8d2z2tUgsu

@5lA5APSyPy

@shslZstnCN

@tO96p5USgQ

@NlZyqghLqQ (this market)

@cc5SnN5St2

Manifold Markets · Answer

Per Manifold Markets prediction market, Before 2027-04-01, followed by Before 2027-02-01 and Before 2027-03-16 are most likely. See the market for live updates (3 traders, as of Oct 28, 2026).

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