AI ToolDead Man Walking

grok-build-0.1 Review

grok-build-0.1 is xAI's specialized AI model designed for agentic software engineering workflows, available via the xAI API in public beta.

shipped Jun 1, 2026aifreemium

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1grok-build-0.1 was released on May 20, 2026, with API access in public beta as of May 29, 2026.

2The model features a 256,000-token context window for handling mid-sized codebases.

3API pricing is $1 per million input tokens and $2 per million output tokens.

4grok-build-0.1 scores 70.8% on the SWE-Bench Verified benchmark.

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Stork Quadrant

Dead Man Walking· 0/100

An LLM can do most of what this tool's UI promises. No moat, no agent presence.

“This is a coding LLM API competing directly with GPT-4o, Claude, and Gemini in the most crowded lane in AI. There is no moat here — no proprietary data, no network, no regulatory barrier. xAI's only differentiator is speed claims and the X ecosystem halo, neither of which compounds.”
— Claude Sonnet 4.6, scored 2026-06-01

Defensibility · 0/100

Physical-world coupling
Regulatory moat
Network liquidity
Proprietary refreshing data
High-trust catastrophic workflows
Multi-party coordination
Brand / community / taste

An LLM alone could replace

Generate code in any language from a natural language prompt
Debug and explain existing code
Write unit tests and documentation
Refactor or optimize code snippets

Agent-Readiness · 0/100

Verified MCP
Listed on agent surfaces
Usage-based pricing
Headless agent auth
Public OpenAPI
Active changelog
llms.txt

How to defend

The only survivable path is deep integration with X/Twitter data to give Grok real-time social context no other model has, or picking a vertical (e.g., fintech code generation with compliance guardrails) and owning the liability layer.

Ship an MCP server and list it on Stork — biggest single point gain (+25).
Get listed in the Anthropic MCP registry, Cursor, or Claude Desktop (+20).
Add a usage-based or per-call tier; per-seat-only pricing dies when agents replace seats (+15).
Expose API-key auth with a self-serve sandbox tier; remove sales-call gates (+15).
Publish an OpenAPI spec at /openapi.json or /.well-known/openapi (+10).

How this score is computed →See the full quadrant How to defend

grok-build-0.1 at a Glance

Best For

Developers and businesses looking for advanced coding solutions.

Pricing

freemium

Key Features

grok-build-0.1 was released on May 20, 2026, with API access in public beta as of May 29, 2026. · The model features a 256,000-token context window for handling mid-sized codebases. · API pricing is $1 per million input tokens and $2 per million output tokens.

Alternatives

GitHub Copilot, Amazon Q Developer, Google Gemini (API), OpenAI (GPT models)

About grok-build-0.1

Headquarters

America/New York

Target Audience

Developers and businesses looking for advanced coding solutions.

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Markdown

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overview

What is grok-build-0.1?

grok-build-0.1 is a specialized AI coding model developed by xAI that enables developers to perform autonomous planning, writing, refactoring, and iteration on code across multi-step tasks. It is optimized for interactive coding agents and tool use, accepting both text and image inputs to produce text output. This model functions as an autonomous engineering agent, capable of handling complex coding tasks such as web development, debugging, and multi-cloud platform (MCP) support. Its main use cases include refactoring large codebases, invoking tools, generating structured output, and running in continuous loops until a task is complete. It can also be used for performance investigations by splitting tasks across sub-agents and for automation through its headless mode, allowing integration into scripts, pipelines, and recurring workflows. The model has a 256,000-token context window, allowing it to hold a mid-sized codebase in memory. Grok Build 0.1 was released on May 20, 2026, with broader subscriber access via the Kilo IDE integration rolling out between May 24 and 27, and xAI's official announcement on May 27. As of May 29, 2026, Grok Build 0.1 became available via the xAI API in public beta, allowing developers to build directly on the model without needing a SuperGrok or X Premium+ subscription.

quick facts

Quick Facts

Attribute	Value
Developer	xAI
Business Model	Freemium / Hybrid (Subscription + Usage-based API)
Pricing	Freemium starting at $10/month (SuperGrok Lite), API usage at $1 per million input tokens
Platforms	API, Kilo IDE integration (CLI)
API Available	Yes
Integrations	GitHub, Notion, Google Workspace (via connectors layer)
Founded	2023 (xAI)
HQ	America/New York
Compliance	SOC 2 Type 2 compliant, HIPAA alignment (BAA available)

features

Key Features of grok-build-0.1

grok-build-0.1 is engineered for advanced software engineering workflows, offering a suite of capabilities designed to enhance developer productivity and automate complex coding tasks. Its architecture supports autonomous operation and integration into existing development environments.

1Agentic software engineering workflows, enabling autonomous planning, writing, refactoring, and iteration on code.
2256,000-token context window, allowing the model to process and retain a mid-sized codebase in memory.
3Accepts both text and image inputs, producing text output, optimized for interactive coding agents and tool use.
4Parallel agent architecture, supporting up to eight agents working concurrently on a single task.
5Native support for Model Context Protocol (MCP), facilitating seamless integration with existing developer tooling and internal knowledge bases.
6Backward compatibility, directly reading Claude Code skills and CLAUDE.md files for low-cost migration.
7SOC 2 Type 2 compliant, ensuring robust security and data privacy standards.
8BAA available upon request for HIPAA eligible applications, addressing specific regulatory needs.
9Opt-in training on user data, providing control over data usage for model improvement.
10Offers a conversational style with wit and sarcasm, engaging in natural, human-like conversation.

use cases

Who Should Use grok-build-0.1?

grok-build-0.1 is primarily designed for developers and engineering teams seeking advanced AI assistance for coding, but its broader conversational capabilities also extend its utility to various professionals.

1Developers and engineering teams for complex coding tasks, including web development, debugging, and refactoring large codebases across multi-cloud platforms.
2Organizations requiring automation through headless mode, allowing integration into scripts, pipelines, and recurring workflows for continuous operations.
3Business professionals for in-depth research, market analysis, and analyzing large documents such as legal or financial models.
4Users needing real-time trend analysis and brand monitoring on X, leveraging Grok's access to platform data.
5Crypto traders, gamblers, and peer-to-peer payers seeking a conversational AI assistant with wit and sarcasm for information and task assistance.

pricing

grok-build-0.1 Pricing & Plans

Access to Grok Build 0.1 is available through various Grok AI subscription plans and a usage-based API model. The underlying model is accessible to SuperGrok and X Premium+ subscribers, with specific API pricing for developers.

1Free Tier: A limited version of Grok is available, typically with a limit of approximately 10 prompts every 2 hours.
2SuperGrok Lite: Priced at $10 per month.
3SuperGrok: Available for $30 per month or $300 per year (a 16% discount), offering extended access to Grok 3 and increased access to Grok 4, 128,000 tokens of memory per session, priority voice access, and the Imagine model.
4Grok Business: Costs $30 per user, per month.
5SuperGrok Heavy: The flagship plan at $300 per month, providing preview access to Grok 4 Heavy, unlimited access to Grok 3, 256,000 tokens of memory per conversation, and early access to experimental features.
6X Premium+: Costs $40 per month or $395 per year, including priority Grok access and higher throughput.
7API Access: Grok Build 0.1 is priced at $1 per million input tokens and $2 per million output tokens. With prompt caching enabled, the cost for some inputs can drop to $0.2 per million tokens.

competitors

grok-build-0.1 vs Competitors

grok-build-0.1 enters a competitive landscape of agentic coding tools, differentiating itself through its focus on speed, parallel processing, and API-first design, while competing with established models in benchmarks.

GitHub CopilotOn Stork Compare

It is deeply integrated into popular IDEs, offering real-time, context-aware code suggestions and chat directly within the developer's workflow.

While Grok Build 0.1 is an API-first coding model, GitHub Copilot functions as an integrated AI pair programmer. Copilot offers a limited free tier and various paid plans for individuals and businesses, aligning with Grok Build 0.1's freemium model.

Amazon Q DeveloperOn Stork Compare

It provides strong integration with AWS services and includes built-in security scanning for code vulnerabilities and credential leaks.

Both offer free tiers for individual developers. Amazon Q Developer provides unlimited code completions for individuals and deep AWS ecosystem integration, whereas Grok Build 0.1 emphasizes speed and API access for its coding model.

Google Gemini (API)On Stork Compare

It offers multimodal capabilities and deep integration within the Google ecosystem, providing powerful models for various tasks, including advanced coding.

Gemini offers a generous free tier for developers via its API, similar to Grok Build 0.1's freemium model. Gemini's strength lies in its multimodal understanding and broader AI capabilities beyond just coding, while Grok Build 0.1 is specifically positioned as a fast coding model.

OpenAI (GPT models)↗

It provides a range of highly capable foundational models (e.g., GPT-5.5, GPT-5.4) accessible via API for diverse applications, including advanced code generation and reasoning.

OpenAI's API pricing is usage-based (per token), which can serve as a freemium model for low usage, similar to Grok Build 0.1. While Grok Build 0.1 is a dedicated fast coding model, OpenAI offers more general-purpose, powerful LLMs that developers can leverage for coding tasks.

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Frequently Asked Questions

+What is grok-build-0.1?

+Is grok-build-0.1 free?

grok-build-0.1 operates on a freemium model. A limited version of Grok is available for free, typically with a limit of approximately 10 prompts every 2 hours. Full access to the underlying model is available through various subscription plans like SuperGrok Lite ($10/month), SuperGrok ($30/month), and X Premium+ ($40/month). API access for developers is usage-based, priced at $1 per million input tokens and $2 per million output tokens.

+What are the main features of grok-build-0.1?

Key features of grok-build-0.1 include its agentic software engineering workflows for autonomous code tasks, a 256,000-token context window, acceptance of text and image inputs, a parallel agent architecture supporting up to eight concurrent agents, native support for Model Context Protocol (MCP), and backward compatibility with Claude Code skills. It is also SOC 2 Type 2 compliant and offers opt-in training on user data.

+Who should use grok-build-0.1?

grok-build-0.1 is primarily intended for developers and engineering teams engaged in complex coding tasks, refactoring large codebases, and automating workflows. Its capabilities also extend to business professionals for in-depth research and document analysis, and users seeking a conversational AI with wit and sarcasm for general information and task assistance.

+How does grok-build-0.1 compare to alternatives?

grok-build-0.1 differentiates itself from competitors like GitHub Copilot by being an API-first, agentic coding model rather than an IDE-integrated pair programmer. Compared to Amazon Q Developer, grok-build-0.1 emphasizes speed and API access for coding, while Amazon Q focuses on AWS integration and security scanning. Against Google Gemini, grok-build-0.1 is a specialized coding model, whereas Gemini offers broader multimodal AI capabilities. When compared to OpenAI's GPT models, grok-build-0.1 is a dedicated fast coding model for agentic workflows, while OpenAI provides more general-purpose, powerful LLMs for diverse applications.

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