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

Claude Instant 1.2 vs Grok 4.20 Beta

Anthropic
Claude Instant 1.2
xAI
Grok 4.20 Beta
Overview
CompanyAnthropicxAI
Release dateAug 9 2023Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapClaude Instant 1.2 shipped 923 days before Grok 4.20 Beta

Which is better: Claude Instant 1.2 or Grok 4.20 Beta?

Claude Instant 1.2 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 Instant 1.2 shipped 923 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 Instant 1.2 and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude Instant 1.2 released?
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

Other comparisons