✳ releases · next Grok

When is the next Grok model coming out?

No date is confirmed. Polymarket prices Next Grok (4.8 or later) at 88% by Nov 30. The latest Grok release was Grok 4.7 on Sep 21, 2026.

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What we're armed for

Every unreleased Grok model on the board, swept every 60 seconds. Odds are live Polymarket prices where a market exists: sentiment, not a promise.

  • Grok 4.888% by Nov 30 · market: Next Grok (4.8 or later)Unannounced — Musk: ~2.5T params on a new C++ stack, "a noticeable improvement" over 4.7 · single source, no id or date · cadence has been ~5-6 weeks
  • Grok 537% by Dec 31No date · Musk on record: 6T parameters (Nov 17, 2025); on Sep 14 he put Grok 4.8 and 4.9 ahead of it
  • Grok 4.4Skipped · xAI went from Grok 4.3 (May 1) to 4.5 (Jul 9); its model list has no 4.4 and tops out at 4.7

Latest Grok releases

Other labs: Claude · OpenAI · Gemini · DeepSeek · Kimi · Qwen · Meta · every release

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