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xAI: Grok 4.20
grok-4.20
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
Modalities
Input
textimagepdf
Output
text
Pricing
Cost per 1 million tokens
Input
$1.5
Output
$3
Model Specs
Context Window
2,000,000Max Output
2,000,000Release Date
2026-03-31Knowledge Cutoff
2025-09-01Capabilities
Reasoning
Tool Calling
Vision
Last Updated: 2026-03-31
Provider: