LLaMA 3.1vsGrok 4.3 Beta
LLaMA 3.1 | Grok 4.3 Beta | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 14% | 50%Best |
| Overview | ||
| Company | Meta | SpaceXAI |
| Release date | Jul 23 2024 | Apr 17 2026 |
| Access | Open Weight | Proprietary |
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.
Other comparisons
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