xAI: Grok Build 0.1

Reasoning Tool Calling Attachments

Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

Providers 1

Released May 20, 2026

Input Modalities image, text

Output Modalities text

Tarsk Use coding

Available Providers (1)

Provider	Model ID	Input Cost	Output Cost	Context	Max Output	Docs
Kilo Gateway	`x-ai/grok-build-0.1`	$1/MTok	$2/MTok	256K	256K

Capabilities

Reasoning

Tool Calling

Attachments

Open Weights

Structured Output