AsOf

Grok 4.1 Fast

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 Superseded claims stay on the line.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

2026

  1. 05-15validretired · grok-4-1-fast-reasoningclm_53450A803B87

2025

  1. 11-19validcontext window · 2Mclm_774F5FAF9451
1 post and Hugging Face repo
  1. 11-19validmodel release · Grok 4.1 Fastclm_13B91C07A63A