AsOf

Grok 4 Fast

3 claims across 2 years, newest first. Superseded claims stay on the line. Current state →

/timelines/grok-4-fast.md/v1/timelines/grok-4-fast

2026

  1. 05-15validretired · grok-4-fast-reasoningclm_88F24D97EEE0

2025

  1. 09-19validcontext window · 2M tokenclm_B23CF82119F1
1 post and Hugging Face repo
  1. 09-19validmodel release · Grok 4 Fastclm_DFB0958C2D0F