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

LLaMA 3.3 vs Grok 4 Fast

Meta
LLaMA 3.3
SpaceXAI
Grok 4 Fast
Overview
CompanyMetaSpaceXAI
Release dateDec 6 2024Sep 2025
AccessOpen WeightProprietary
Specifications
Parameters
70B
Timeline
Release gapLLaMA 3.3 shipped 269 days before Grok 4 Fast

Which is better: LLaMA 3.3 or Grok 4 Fast?

LLaMA 3.3 and Grok 4 Fast don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 3.3 shipped 269 days before Grok 4 Fast, so benchmark comparisons should account for the intervening progress.

LLaMA 3.3 is open weight, while Grok 4 Fast is proprietary.

Direct benchmark comparisons are unavailable — LLaMA 3.3 and Grok 4 Fast don't publish scores on any of the same benchmarks.

Frequently asked questions

LLaMA 3.3 was released by Meta on Dec 6 2024.

Grok 4 Fast was released by SpaceXAI on Sep 2025.

LLaMA 3.3 is an open weight model released by Meta. Grok 4 Fast is a proprietary model released by SpaceXAI.

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