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Created by
spacexai
spacexaiReleasedMar 10, 2026
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.
Limits
Context Length2M
Max Output Tokens2M
Pricing
Pricing (Input)$1.25/M
Pricing (Output)$2.50/M
Caching
Input Modalities
Text
Image
PDF
Audio
Output Modalities
Text
Image
Audio
Features
Reasoning
Tools
Temperature
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