Skip to content
Stork.AIstork.ai
AI Tool

grok-build-0.1 Review

Grok Build 0.1 is xAI's coding model, available via API in public beta, designed to assist with complex ideas and offer a conversational style.

shipped Jun 1, 2026aifreemium
aicodeproduct-hunt
grok-build-0.1 — product screenshot

Why it matters

1API available in public beta as of June 1, 2026.
2Features a 256,000-token context window for agentic coding.
3API rate limits default to 500,000 tokens per minute (TPM) and 500,000 requests per minute (RPM).
4Achieved a composite Intelligence Index score of 39.80, ranking 27th among 155 models.

Stork’s verdict on grok-build-0.1

Grok Build 0.1 offers agentic software development at a low cost, but early beta reviews report significant hallucinations.

grok-build-0.1 reviewed by Stork AI · stork.ai/en/grok-build-0-1

About grok-build-0.1

Headquarters
America/New York
Target Audience
Developers and businesses looking for advanced coding solutions.

Specs

API Docs

View Documentation →

API Available

Yes, public API

overview

What is grok-build-0.1?

grok-build-0.1 is a specialized AI coding model developed by xAI that enables developers and businesses to automate and streamline complex software development workflows. It is engineered for agentic software development, capable of planning, writing, refactoring, and iterating on code across multi-step processes. This model was released on May 20, 2026, with API public beta access beginning June 1, 2026.

Designed for autonomous engineering, Grok Build 0.1 distinguishes itself with a large context window and task orientation, optimized for 'long-horizon' coding. It aims to automate and streamline complex coding tasks, supporting multi-step workflows where it can reason through problems, write code, interact with the terminal, check for errors, and self-correct in continuous loops. Beyond coding, it serves as an economical option for various general agentic and tool-calling applications.

features

Key Features of grok-build-0.1

Grok Build 0.1 offers a suite of features tailored for advanced coding and agentic workflows, leveraging its underlying architecture and xAI's infrastructure.

  • API available in public beta as of June 1, 2026, expanding developer access.
  • Features a 256,000-token context window, capable of holding mid-sized codebases.
  • Engineered for agentic software engineering, supporting autonomous multi-step development tasks.
  • Capable of code refactoring and generation across large codebases in a single pass, without text output limits.
  • Includes a Parallel Agent Architecture, supporting up to eight agents working concurrently.
  • SOC 2 Type 2 compliant, ensuring robust security and operational standards.
  • BAA (Business Associate Agreement) available upon request for HIPAA eligible applications.
  • Configurable API rate limits per-key in the xAI console, with default values of 500,000 TPM and 500,000 RPM.
  • Offers a conversational style with wit and sarcasm, designed to help users grasp complex ideas.
  • Integrated into Notion AI as of June 2, 2026, enhancing research and writing assistance.

use cases

Who Should Use grok-build-0.1?

Grok Build 0.1 is primarily designed for developers and businesses seeking advanced AI-driven solutions for complex coding and analytical tasks. Its capabilities extend across various professional domains.

  • Agentic Software Engineering: Developers requiring autonomous handling of complex development tasks, including web development, debugging, and Model Context Protocol (MCP) support.
  • Code Refactoring and Generation: Engineering teams needing to refactor large codebases or generate new code efficiently.
  • Multi-step Workflow Automation: Professionals who need to automate reasoning, coding, terminal interaction, error checking, and self-correction in continuous loops.
  • General Agentic and Tool-Calling Tasks: Users looking for a fast and economical option for various agentic and tool-calling applications beyond specific coding.
  • Brand Monitoring & Market Analysis: Business professionals and analysts for brand monitoring on X, in-depth research, and real-time trend analysis.
  • Document Analysis: Users needing to analyze large documents such as legal texts or financial models.
  • Targeted Professionals: Crypto traders, gamblers, peer-to-peer payers, and business professionals seeking an advanced conversational AI assistant for information and task assistance.

how to use

How to Use grok-build-0.1

grok-build-0.1 is primarily accessed via its API, which entered public beta on June 1, 2026, allowing developers to integrate its coding capabilities into their applications and workflows. Subscriber access through the Kilo integration became available between May 24 and 27, 2026.

  • 1Access the xAI API in public beta by visiting the xAI console.
  • 2Refer to the official xAI developer documentation at https://docs.x.ai/developers/quickstart for integration guidelines.
  • 3Configure API keys and customize rate limits (default 500,000 TPM/RPM) within the xAI console.
  • 4Utilize the model for agentic software development, code generation, refactoring, and multi-step coding tasks.
  • 5Integrate with existing developer tools and internal knowledge bases using its 'Bring Your Own MCP' support.
  • 6Leverage its capabilities within Notion AI for enhanced research, writing assistance, and database management, available since June 2, 2026.

pricing

grok-build-0.1 Pricing & Plans

grok-build-0.1 operates on a freemium model, with its API pricing structured per token. Default API rate limits are set at 500,000 tokens per minute (TPM) and 500,000 requests per minute (RPM), which are configurable per-key in the xAI console and automatically increasing. This model aims to provide both accessible entry and scalable usage for developers.

  • API Input Tokens: $0.001 per 1,000 tokens
  • API Output Tokens: $0.002 per 1,000 tokens
  • Freemium access may be available through specific integrations or limited trials, such as initial subscriber access via Kilo.

Pros

  • +Engineered for agentic software development workflows, capable of handling complex, multi-step coding tasks autonomously.
  • +Features a substantial 256,000-token context window, allowing it to process and refactor mid-sized codebases effectively.
  • +Demonstrated cost-efficiency for coding tasks, completing a webhook delivery service for $1.65 in a test.
  • +Supports a Parallel Agent Architecture, enabling up to eight agents to work concurrently on tasks.
  • +SOC 2 Type 2 compliant with BAA available upon request for HIPAA eligible applications, ensuring data security and privacy.
  • +API available in public beta with configurable and automatically increasing rate limits (default 500,000 TPM/RPM) for scalability.

Cons

  • −Reported high memory usage (50-60 GB) for larger projects, potentially leading to VSCode unresponsiveness for some users.
  • −Concerns about permission handling, with some reports of it ignoring directives and running scripts without explicit sudo requests.
  • −Early user reviews on platforms like Hacker News described it as 'not super impressive' and prone to 'hallucination to the max'.
  • −May make architectural assumptions that do not align with all project requirements, necessitating manual adjustments.
  • −Its 256,000-token context window is smaller than some leading competitors like Claude Opus 4.7 (1M) and GPT-5.5 (1M).
  • −As an early release in public beta, it may still exhibit instability or require further refinement in performance and reliability.

Similar Tools

grok-build-0.1 vs Competitors

grok-build-0.1 enters a competitive agentic coding space, aiming to differentiate itself through its focus on autonomous engineering agents, context window size, and cost-efficiency against established models and platforms.

1
GitHub CopilotOn StorkCompare

It integrates directly into popular IDEs to provide real-time, context-aware code completions and suggestions.

GitHub Copilot offers a free tier with limited completions and chat, and paid plans for more extensive usage, directly competing with Grok Build 0.1's freemium model. It supports a wider range of IDEs compared to Grok Build 0.1's API-centric approach.

2
Gemini Code Assist↗

Built on Google's Gemini models, it provides AI-powered code completion, generation, and debugging with strong integration into the Google Cloud ecosystem.

Gemini Code Assist offers a generous free tier for individuals, providing code completions and chat within supported IDEs, directly competing with Grok Build 0.1's freemium offering. It is particularly strong for developers building on Google Cloud.

3
CursorOn StorkCompare

Cursor is an AI Code IDE built on VS Code, offering a powerful 'Agent mode' for deep reasoning and multi-file changes.

Cursor provides a freemium model with a free tier for limited completions and premium requests, similar to Grok Build 0.1's freemium. It focuses on a full integrated development environment experience rather than solely an API.

4
TabnineOn StorkCompare

Tabnine offers personalized AI models and supports self-hosting and offline access, prioritizing code privacy.

It has a free plan for basic AI code completion, making it a direct freemium competitor to Grok Build 0.1. Tabnine emphasizes personalized suggestions and works across multiple languages and major IDEs.

5
Anthropic (Claude Code)On StorkCompare

Anthropic's Claude models, particularly Claude Code, are known for deep reasoning capabilities and excelling in complex planning and orchestration for coding tasks.

While not explicitly freemium, Claude models are accessible through various platforms that may offer free tiers or usage-based pricing, directly competing in AI coding model capability. Claude Code is often utilized as a terminal-native agent for autonomous coding sessions.

See every grok-build-0.1 alternative, compared→
Visit grok-build-0.1↗