Grok 4.5 chat
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Capabilities
Context Window 500k tokens
Max Output 0 tokens
Inputs
Outputs
Pricing (per 1M tokens)
Input $2.00
Output $6.00
Cache Read $0.50
Cache Write -
Supported Parameters
frequency_penaltyinclude_reasoninglogprobsmax_tokenspresence_penaltyreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p