Grok 4 1 Fast Reasoning: capabilities, context and price

Tavory's live catalog lists Grok 4 1 Fast Reasoning through xAI. The route is described as a frontier multimodal model optimized specifically for high-performance agentic tool calling.. This page summarizes the current catalog facts so you can compare context, capabilities and provider price signals before opening a workspace request. Availability, plan access and final cost are checked again when you send.

Grok 4 1 Fast Reasoning is represented in Tavory for text and chat, tool-enabled workflows, document work, image understanding, web research. Suitability still depends on the prompt and required capabilities.

If Grok 4 1 Fast Reasoning is eligible for your plan and a healthy route is available when you send, you can choose it in Tavory. Tavory is an independent workspace and is not the manufacturer of Grok 4 1 Fast Reasoning.

$0.18 input / $0.45 output per 1M tokens is the current public catalog signal. Tavory checks the selected route and shows the applicable request cost; provider data can change.