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

Claude 3.5 Haiku vs Grok 4.20 Beta

Anthropic
Claude 3.5 Haiku
xAI
Grok 4.20 Beta
Overview
CompanyAnthropicxAI
Release dateOct 22 2024Feb 17 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Coding
SWE-Bench Verified
40.6%
Science
GPQA Diamond
41.6%
Timeline
Release gapClaude 3.5 Haiku shipped 483 days before Grok 4.20 Beta

Which is better: Claude 3.5 Haiku or Grok 4.20 Beta?

Claude 3.5 Haiku 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 3.5 Haiku shipped 483 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 3.5 Haiku and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude 3.5 Haiku released?
Claude 3.5 Haiku was released by Anthropic on Oct 22 2024.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.

Other comparisons