Grok 4.3 is a xAI model tracked in Sim. It supports a 1M token context window. Pricing starts at $1.25/1M input tokens and $2.5/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs. Best for reasoning-heavy tasks that need more deliberate model control.
Best forBest for reasoning-heavy tasks that need more deliberate model control.
Temperature0 to 2
Reasoning effortnone, low, medium, high, xhigh
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 4.3 is a xAI model available in Sim. Grok 4.3 is a xAI model tracked in Sim. It supports a 1M token context window. Pricing starts at $1.25/1M input tokens and $2.5/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.
Grok 4.3 starts at $1.25/1M input tokens, $0.2/1M cached input tokens, and $2.5/1M output tokens.
Grok 4.3 supports a context window of 1M tokens in Sim. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.
Grok 4.3 supports the following capabilities in Sim: Temperature 0-2, Tool choice, Structured outputs, Reasoning none, low, medium, high, xhigh.
Best for reasoning-heavy tasks that need more deliberate model control. When used in a Sim workflow, it can be selected in any Agent block from the model picker.
