Grok 4.3 on Kie

Grok 4.3 is a Kie model available in Sim. Grok 4.3 is a Kie model tracked in Sim. It supports a 1M token context window. Pricing starts at $0.5/1M input tokens and $1/1M output tokens. Key capabilities include Tool choice, Structured outputs, Reasoning low, medium, high, xhigh.

Grok 4.3 starts at $0.5/1M input tokens, $0.08/1M cached input tokens, and $1/1M 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: Tool choice, Structured outputs, Reasoning 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.