AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

AI Model Release Tracker
xAI

Grok 4.20 Beta

Grok 4.20 Beta is an AI model released by xAI on Feb 17 2026, 90 days after Grok 4.1 Fast.

Compare Grok 4.20 Beta with

Grok 4.20 Beta vs GPT-5.5Grok 4.20 Beta vs Claude Fable 5Grok 4.20 Beta vs Gemini OmniGrok 4.20 Beta vs Muse SparkGrok 4.20 Beta vs DeepSeek-V4-ProGrok 4.20 Beta vs Mistral Medium 3.5Grok 4.20 Beta vs Kimi K2.7 CodeGrok 4.20 Beta vs Composer 2.5