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Grok Build 0.1 Review

Fast coding model built for agentic software engineering and multi-step development tasks

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Grok Build 0.1 is an AI Code tool. Fast coding model built for agentic software engineering and multi-step development tasks. Best for software developers and engineers and data scientists and analysts.

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About Grok Build 0.1

Grok Build 0.1 is xAI's fast coding model trained for agentic software engineering workflows. It handles web development, debugging, and tool calling with a 256K context window. The model powers the Grok Build CLI and runs at 100+ tokens per second.

Key Features

**Agentic Coding Workflows.** Built specifically for agentic coding tasks, including web development, debugging, and MCP support. The model can plan, write, refactor, and iterate on code across multi-step workflows without constant hand-holding.
**256K Context Window.** Features a 256,000 token context window with no text output limit, making it well suited for long-horizon coding and automation workflows. Large enough to hold an entire mid-sized codebase in memory at once.
**Fast Generation Speed.** The model is served at a blazing-fast 100+ tokens/second. Real-world tests show it can build professional landing pages in 40 seconds and complete complex webhook services in minutes.
**Tool Use and Function Calling.** Supports tool use (function calling), allowing it to interact with external tools, APIs, and data sources as part of its response flow. Works seamlessly with coding agents like Cursor, Hermes Agent, and OpenClaw.
**Multimodal Input Support.** Accepts text and image inputs and produces text output. Can read diagrams, UI mockups, or error screenshots as part of its workflow, making it easier to work with visual requirements.
**Cost-Effective Pricing.** Priced at $1/m tokens in and $2/m tokens out. Runs in the efficient Flash tier sweet spot, making it economically viable for agentic loops and repeated iterations on the same codebase.

Frequently Asked Questions

Grok Build 0.1 is xAI's fast coding model trained specifically for agentic software engineering workflows. It's designed to work as an autonomous coding agent that can plan, write, refactor, and debug code across multi-step tasks. The model powers the Grok Build CLI and works with popular coding tools like Cursor, Kilo Code, and Hermes Agent.

The API pricing is $1 per million input tokens and $2 per million output tokens. Cached input tokens cost just $0.20 per million tokens. For example, analyzing a 10,000-line codebase costs around $0.06. Access is also available through SuperGrok and X Premium Plus subscriptions.

Grok Build 0.1 is optimized for agentic workflows rather than simple code completion. It has a 256K context window with no output limits, runs at 100+ tokens per second, and can handle entire codebases in one go. It's built to reason through problems, write code, check for errors, and fix its own mistakes in a continuous loop.

Grok Build 0.1 is best for software developers and engineers working on complex, multi-step coding tasks. It's particularly useful for building web applications, refactoring large codebases, debugging, and automating development workflows. It works well in agentic environments where the model needs to make decisions and iterate independently.

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