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xAI: Grok 4.3
Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
x-ai/grok-4.3
Context Size
1,000K
Input Price
125,000 Ks/M
Output Price
250,000 Ks/M
Architecture
Text
Image
Supported Parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Details
TokenizerGrok
Provider Context1,000K tokens
ModeratedNo
CreatedApr 30, 2026