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

LLaMA 3.1 vs Grok Code Fast 1

Meta
LLaMA 3.1
SpaceXAI
Grok Code Fast 1
Overview
CompanyMetaSpaceXAI
Release dateJul 23 2024Aug 28 2025
AccessOpen WeightProprietary
Benchmarks
Nonsense detection
BullshitBench v2
14%
Timeline
Release gapLLaMA 3.1 shipped 401 days before Grok Code Fast 1

Which is better: LLaMA 3.1 or Grok Code Fast 1?

LLaMA 3.1 and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.1 shipped 401 days before Grok Code Fast 1, so benchmark comparisons should account for the intervening progress.

LLaMA 3.1 is open weight, while Grok Code Fast 1 is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 3.1 and Grok Code Fast 1 don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 3.1 was released by Meta on Jul 23 2024.

Grok Code Fast 1 was released by SpaceXAI on Aug 28 2025.

LLaMA 3.1 is an open weight model released by Meta. Grok Code Fast 1 is a proprietary model released by SpaceXAI.

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