Grok 4.20 is xAI's flagship model that offers industry-leading inference speed and reliable agentic tool calling for complex tasks. It combines extremely low hallucination rates with strict prompt adherence, delivering consistently truthful and precise responses.
Reasoning
View model card in Model Garden
| Model ID | grok-4.20-reasoning |
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| Launch stage | GA | |
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| Pricing | See Pricing. | |
Non-Reasoning
View model card in Model Garden
| Model ID | grok-4.20-non-reasoning |
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| Launch stage | GA | |
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| Capabilities |
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| Usage types |
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| Supported regions | ||
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Model availability |
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| Quota limits |
global endpoint:
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| Pricing | See Pricing. | |