Back to all models
x-ai
x-aixAI: 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...
x-ai/grok-4.20
Context Size
2,000K
Input Price
187,500 pts/M
Output Price
375,000 pts/M
Architecture
Text
Image
File
Supported Parameters
include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Details
TokenizerGrok
Provider Context2,000K tokens
ModeratedNo
CreatedMar 31, 2026