LLaMA 4 Maverick vs Grok 4 Heavy
Meta LLaMA 4 Maverick | SpaceXAI Grok 4 Heavy | |
|---|---|---|
| Overview | ||
| Company | Meta | SpaceXAI |
| Release date | Apr 5 2025 | Jul 9 2025 |
| Access | Open Weight | Proprietary |
| 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. | 28% | — |
| Timeline | ||
| Release gap | LLaMA 4 Maverick shipped 95 days before Grok 4 Heavy | |
Which is better: LLaMA 4 Maverick or Grok 4 Heavy?
LLaMA 4 Maverick and Grok 4 Heavy don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Maverick shipped 95 days before Grok 4 Heavy, so benchmark comparisons should account for the intervening progress.
LLaMA 4 Maverick is open weight, while Grok 4 Heavy is proprietary.
Direct benchmark comparisons are unavailable — LLaMA 4 Maverick and Grok 4 Heavy don't publish scores on any of the same benchmarks.
Frequently asked questions
LLaMA 4 Maverick was released by Meta on Apr 5 2025.
Grok 4 Heavy was released by SpaceXAI on Jul 9 2025.
LLaMA 4 Maverick is an open weight model released by Meta. Grok 4 Heavy is a proprietary model released by SpaceXAI.
Other comparisons
LLaMA 4 Maverick vs Claude Sonnet 5Grok 4 Heavy vs Claude Sonnet 5LLaMA 4 Maverick vs GPT-5.6 SolGrok 4 Heavy vs GPT-5.6 SolLLaMA 4 Maverick vs Gemini OmniGrok 4 Heavy vs Gemini OmniLLaMA 4 Maverick vs DeepSeek-V4-ProGrok 4 Heavy vs DeepSeek-V4-ProLLaMA 4 Maverick vs Mistral Medium 3.5Grok 4 Heavy vs Mistral Medium 3.5LLaMA 4 Maverick vs Kimi K2.7 CodeGrok 4 Heavy vs Kimi K2.7 Code