xAI model
Grok 3 Fast Latest
Grok 3 Fast Latest is a xAI model tracked in Sim. It supports a 131k token context window. Pricing starts at $5/1M input tokens and $25/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.
Input price$5/1M
Cached input$0.75/1M
Output price$25/1M
Context window131k
Max outputNot published
ProviderxAI
UpdatedApr 1, 2026
Temperature0 to 1
Reasoning effortNot supported
VerbosityNot supported
Thinking levelsNot supported
Structured outputsSupported
Tool choiceSupported
Computer useNot supported
Deep researchNot supported
Memory supportSupported
Max output tokensNot published
Frequently asked questions
Grok 3 Fast Latest is a xAI model available in Sim. Grok 3 Fast Latest is a xAI model tracked in Sim. It supports a 131k token context window. Pricing starts at $5/1M input tokens and $25/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.