LLaMA 3.1vsGrok 4.3 Beta

LLaMA 3.1
Grok 4.3 Beta
Benchmarks
Nonsense detection
BullshitBench v2
14%
50%Best
Overview
CompanyMetaSpaceXAI
Release dateJul 23 2024Apr 17 2026
AccessOpen WeightProprietary

Which is better: LLaMA 3.1 or Grok 4.3 Beta?

Grok 4.3 Beta leads LLaMA 3.1 on 1 of the 1 benchmark they both report (BullshitBench v2). LLaMA 3.1 shipped 633 days before Grok 4.3 Beta, so benchmark comparisons should account for the intervening progress.

LLaMA 3.1 is open weight, while Grok 4.3 Beta is proprietary.

On BullshitBench v2, Grok 4.3 Beta leads at 50% vs LLaMA 3.1 at 14%.

Frequently asked questions

LLaMA 3.1 was released by Meta on Jul 23 2024.

Grok 4.3 Beta was released by SpaceXAI on Apr 17 2026.

LLaMA 3.1 is an open weight model released by Meta. Grok 4.3 Beta is a proprietary model released by SpaceXAI.

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