Xai
Grok 4.20 Reasoning
Grok 4.20 Beta is the newest flagship model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.
xAI model releasesModel Snapshot
TypeLanguage
ReleaseMar 10, 2026
Context2,000,000
Tagsreasoning, tool-use, implicit-caching, vision
Overall
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Model Details
Runtime
Max Output2,000,000
Streaming speed is not measured for this model yet.
Pricing
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Output-
Catalog$1.25/M in / $2.50/M out
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