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

Claude 2 vs Grok 4.20 Beta

Anthropic
Claude 2
xAI
Grok 4.20 Beta
Overview
CompanyAnthropicxAI
Release dateJul 11 2023Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapClaude 2 shipped 952 days before Grok 4.20 Beta

Which is better: Claude 2 or Grok 4.20 Beta?

Claude 2 and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2 shipped 952 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 — Claude 2 and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 2 released?
Claude 2 was released by Anthropic on Jul 11 2023.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

Other comparisons