21st21st.dev
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Related Products
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About
21st is a developer platform that provides the fastest way to add AI agents directly into applications. The platform offers an SDK that allows developers to define, deploy, and run AI agents with minimal infrastructure setup. Developers can integrate agents using popular frameworks such as Next.js, React, TypeScript, Python, and Node.js. 21st includes built-in features like chat interfaces, session history, tool execution, memory, and real-time streaming responses. The platform also manages backend components such as sandboxed execution environments, authentication, rate limits, and observability. With support for Claude Code and Codex runtimes, developers can build agents that interact with tools, files, and APIs securely. By handling infrastructure and deployment automatically, 21st enables teams to launch production-ready AI agents quickly.
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About
boat provides powerful cloud virtual machines and persistent sandboxes built for long-running AI agents, allowing users to spawn thousands of cloud computers with browsers and persistent files without managing the entire infrastructure themselves. Each sandbox is a full Ubuntu Linux virtual machine with SSH and SCP access, Docker support, dedicated IPv4 or IPv6 addresses, a 60 fps virtual desktop, and fast disk-level forking from snapshots. Docker, VS Code, Chrome, Ghostty, GitHub CLI, Rust, Node.js, and Bun come pre-installed, enabling users to run any development tool, language, or workflow. Boat supports agents such as Claude Code, Codex, and OpenCode, with tools to prompt, observe, and control agent environments remotely through its CLI, HTTP API, and Python or TypeScript SDKs. Users can execute commands, copy files, monitor agent messages and tool calls, host applications through public HTTPS URLs, and access integrated desktops and browsers.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, startups, and product teams that want a fast and scalable way to build and deploy AI agents inside their applications
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Audience
Developers, AI engineers, and teams wanting to deploy, run, manage, and scale AI agents in persistent cloud-based development environments
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
$20 per month
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company Information21st.dev
21st.dev/
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Company Informationboat
Founded: 2026
United States
boat.dev/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Agent 37
Not Supported
Bun
Not Supported
Claude Code
Not Supported
Cloudflare
Not Supported
Daytona
Not Supported
Docker
Not Supported
Ghostty
Not Supported
Google Chrome
Not Supported
Modal
Not Supported
Node.js
Not Supported
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Integrations
Agent 37
Supported
Bun
Supported
Claude Code
Supported
Cloudflare
Supported
Daytona
Supported
Docker
Supported
Ghostty
Supported
Google Chrome
Supported
Modal
Supported
Node.js
Supported
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