LLM WORLD

xAI

18 tracked releases · 1 open weights · median 21 days between releases

At a glance

Releases tracked18
FamiliesGrok · Grok Build · Grok Imagine · Grok Imagine Image · Grok Voice
First trackedNovember 3, 2023 — Grok-1
LatestOctober 14, 2026 — Grok Voice 3.0
Median gap21 days · level than the 21-day median across tracked labs
Weights1 of 18 open (6%)
Record quality15 of 18 verified · how this is judged

Release cadence

One tile per tracked release, placed in the month it shipped; the year links through to that year's timeline. Tracked releases only — a quiet year here may mean this dataset is thin for that year rather than that the lab was quiet.

  1. 2023
    1. Grok-1, xAI, November 3, 2023
    1
  2. 2024
      0
    1. 2025
      1. Grok 3, xAI, February 19, 2025
      1
    2. 2026
      1. Grok Imagine Video, xAI, January 28, 2026
      2. Grok 4.20, xAI, March, 2026Grok 4.20 Multi-agent, xAI, March, 2026
      3. Grok STT, xAI, April 17, 2026Grok TTS, xAI, April 17, 2026Grok Voice Think Fast 1.0, xAI, April 23, 2026
      4. Grok Build 0.1, xAI, May 29, 2026
      5. Grok Imagine Video 1.5 Preview, xAI, June 3, 2026Grok Imagine Video 1.5, xAI, June 16, 2026
      6. Grok 4.5, xAI, July 8, 2026Grok Voice Think Fast 2.0, xAI, July 29, 2026
      7. Grok Imagine Image 2.0, xAI, August 7, 2026Grok 4.6, xAI, August 12, 2026
      8. Grok Voice Transcribe 2.0, xAI, September 18, 2026Grok 4.7, xAI, September 21, 2026
      9. Grok Voice 3.0, xAI, October 14, 2026
      16

    Context window over time

    Releases with a disclosed context window — 12 of 18 not shown.

    Grok-1 · 2023 8K tokens
    Grok 3 · 2025 1M tokens
    Grok Build 0.1 · 2026 256K tokens
    Grok 4.5 · 2026 500K tokens
    Grok 4.6 · 2026 500K tokens
    Grok 4.7 · 2026 500K tokens

    Evidenced capabilities

    How often each capability is cited across this lab's releases. Absence means not evidenced, never absent — see data quality.

    reasoning 7
    coding 6
    agentic 5
    function calling 4
    structured output 4
    vision 1

    Releases

    1. Grok Voice 3.0Grok VoiceOctober 14, 2026
    2. Grok 4.7GrokText in and outImage inputSeptember 21, 2026
    3. Grok Voice Transcribe 2.0Grok VoiceText in and outSeptember 18, 2026
    4. Grok 4.6GrokText in and outImage inputAugust 12, 2026
    5. Grok Imagine Image 2.0Grok Imagine ImageAugust 7, 2026
    6. Grok Voice Think Fast 2.0Grok VoiceJuly 29, 2026
    7. Grok 4.5GrokText in and outImage inputJuly 8, 2026
    8. Grok Imagine Video 1.5Grok ImagineJune 16, 2026
    9. Grok Imagine Video 1.5 PreviewGrok ImagineJune 3, 2026
    10. Grok Build 0.1Grok BuildText in and outImage inputMay 29, 2026
    11. Grok Voice Think Fast 1.0Grok VoiceApril 23, 2026
    12. Grok STTGrok VoiceApril 17, 2026
    13. Grok TTSGrok VoiceApril 17, 2026
    14. Grok 4.20GrokMarch, 2026
    15. Grok 4.20 Multi-agentGrokMarch, 2026
    16. Grok Imagine VideoGrok ImagineJanuary 28, 2026
    17. Grok 3GrokText in and outImage inputVideo inputFebruary 19, 2025
    18. Grok-1GrokText in and outNovember 3, 2023

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