Grok 4.20 trails Gemini and GPT-5.4 by a wide margin but sets a new record for not hallucinating
The Decoder
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Generative AI
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XAI's Grok 4.20 is cheap, fast, and hallucinates less than any other tested model, but it can't keep up with the top tier in benchmarks. The article Grok 4.20 trails Gemini and GPT-5.