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

Gemini 1.5 Flash-002 vs Grok 4.20 Beta

Google
Gemini 1.5 Flash-002
xAI
Grok 4.20 Beta
Overview
CompanyGooglexAI
Release dateSep 24 2024Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapGemini 1.5 Flash-002 shipped 511 days before Grok 4.20 Beta

Which is better: Gemini 1.5 Flash-002 or Grok 4.20 Beta?

Gemini 1.5 Flash-002 and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash-002 shipped 511 days before Grok 4.20 Beta, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Gemini 1.5 Flash-002 and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Gemini 1.5 Flash-002 released?
Gemini 1.5 Flash-002 was released by Google on Sep 24 2024.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

Other comparisons