OpenAI's next "GPT-OSS" release date

Question

This market refers to OpenAI's next open-weight model release, regardless of what it is ultimately named. Minor naming changes from the working name 'GPT-OSS' will 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:

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Manifold Markets · Answer

Per Manifold Markets prediction market, Before 2027, followed by Before December 2026 and Before November 2026 are most likely. See the market for live updates (30 traders, as of Jun 9, 2026).

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