Grok 4.1 Fast vs Llama 3 70B
Compare Grok 4.1 Fast by xAI against Llama 3 70B by Meta AI, tested across 54 shared challenges. Updated April 2026.
Which is better, Grok 4.1 Fast or Llama 3 70B?
Grok 4.1 Fast and Llama 3 70B are both competitive models. Compare their real outputs side by side below.
Key Differences Between Grok 4.1 Fast and Llama 3 70B
Grok 4.1 Fast is made by xai while Llama 3 70B is from meta.
Our Verdict
Grok 4.1 Fast
Llama 3 70BRunner-up
No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, newer.
Too close to call
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
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FAQ
