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Description
21st is a development platform designed to help engineers quickly build and deploy AI agents inside their applications. The platform provides a specialized SDK that simplifies the process of defining agent behavior, integrating tools, and connecting AI models. Developers can create agents using familiar technologies such as Next.js, React, TypeScript, Python, and Node.js, making integration straightforward for modern applications. Once an agent is defined, the platform allows it to be deployed with a single command while automatically handling infrastructure requirements. 21st provides sandboxed execution environments through E2B sessions, ensuring that agent operations run securely and independently. The platform includes a ready-to-use chat interface component that can be embedded directly into an app for user interaction. Additional features include token streaming, conversation history, tool execution, and built-in observability for debugging and monitoring. Developers can replay sessions and trace tool calls to better understand how agents behave during execution. The system also supports spend limits, authentication controls, and rate limiting to manage AI usage across users. By combining development tools with managed infrastructure, 21st helps teams launch scalable AI agents without building complex backend systems.
Description
CreateOS Sandbox serves as a cloud-based computing solution designed specifically for developers focused on creating AI agents, code-execution environments, and various developer utilities. The service utilizes isolated Firecracker micro-virtual machines that each operate under their own Linux kernel, allowing teams to securely execute untrusted code or code generated by models. Developers have the flexibility to set up environments via a TypeScript SDK, command-line interface, MCP tools, or REST API, enabling them to run commands and establish connections between sandboxes within private networks. These sandboxes can easily be paused and resumed while maintaining the guest state, are customizable using reusable templates, and can be integrated with customer-owned storage solutions such as Amazon S3, MinIO, or Cloudflare R2. It's important to note that usage is charged per second based on compute, memory, and disk space, with paused environments still accruing costs for memory and storage. The service is available in both EU and US regions, and there is an enterprise option that allows for deployment on the customer's own infrastructure, enhancing flexibility and control for businesses. Overall, CreateOS Sandbox presents a robust platform that caters to the needs of modern developers.
API Access
Has API
No
API Access
Has API
Yes
Screenshots View All
No images available
Integrations
Amazon S3
No
Cloudflare R2
No
Grok Bot
Yes
MinIO
No
Model Context Protocol (MCP)
No
React
Yes
Tailwind CSS
Yes
shadcn/ui
Yes
Integrations
Amazon S3
Yes
Cloudflare R2
Yes
Grok Bot
No
MinIO
Yes
Model Context Protocol (MCP)
Yes
React
No
Tailwind CSS
No
shadcn/ui
No
Pricing Details
Free
Free Trial
No
Free Version
Yes
Pricing Details
$0.03616363/vCPU/hour
Usage is billed per second: $0.03616363 per vCPU-hour, $0.01159025 per GiB-RAM-hour, and $0.0001584 per GB-hour of storage. There are no egress fees or minimums. Paused sandboxes incur memory and storage charges, but no vCPU charge. New accounts receive 500 free credits.
Free Trial
No
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
Yes
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
No
Vendor Details
Company Name
21st.dev
Website
21st.dev/
Vendor Details
Company Name
NodeOps
Founded
2023
Country
United States
Website
createos.sh/products/sandbox