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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.

Build with this modelAll xAI models
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
xAI

Grok 3 Latest

Grok 3 Latest is a xAI model tracked in Sim. It supports a 131k token context window. Pricing starts at $3/1M input tokens and $15/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

xAI

Grok 4.1 Fast Reasoning

Grok 4.1 Fast Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

xAI

Grok 4.1 Fast Non Reasoning

Grok 4.1 Fast Non Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice, Structured outputs.

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.