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

Code Llama 70B vs Grok 4.20 Beta

Meta
Code Llama 70B
xAI
Grok 4.20 Beta
Overview
CompanyMetaxAI
Release dateJan 29 2024Feb 17 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapCode Llama 70B shipped 750 days before Grok 4.20 Beta

Which is better: Code Llama 70B or Grok 4.20 Beta?

Code Llama 70B and Grok 4.20 Beta don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Code Llama 70B shipped 750 days before Grok 4.20 Beta, so benchmark comparisons should account for the intervening progress.

Code Llama 70B is an open-source / open-weight model; Grok 4.20 Beta is proprietary.

Direct benchmark comparisons are unavailable — Code Llama 70B and Grok 4.20 Beta don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Code Llama 70B released?
Code Llama 70B was released by Meta on Jan 29 2024.
When was Grok 4.20 Beta released?
Grok 4.20 Beta was released by xAI on Feb 17 2026.
Is Code Llama 70B or Grok 4.20 Beta open source?
Code Llama 70B is an open-source / open-weight model released by Meta. Grok 4.20 Beta is a proprietary model released by xAI.

Other comparisons