Code anywhere. Ship faster.
A modern, AI-powered web-based IDE with intelligent assistance, Docker sandboxes, and flexible deployment — all in one beautiful interface.
Core Platform
Everything you need to build
A complete development environment in the browser — with the power of a desktop IDE and the intelligence of AI built in.
Monaco Editor
Full-featured code editor with IntelliSense, syntax highlighting, multi-cursor editing, and language support powered by Monaco.
Integrated Terminal
Full terminal access with xterm.js — run commands, manage processes, and interact with your dev environment directly.
File Explorer
Browse, create, rename, and manage files and folders with a familiar tree-view interface and drag-and-drop support.
Multi-Tab Workspace
Work across multiple files simultaneously with a tabbed interface. Pin tabs, split views, and organize your workflow.
Live Preview
Built-in browser preview with hot reload. See your changes in real-time without leaving the IDE.
Git Integration
Stage, commit, push, and pull directly from the IDE. Full Git workflow without touching the terminal.
AI Assistant
20+ models at your fingertips
Vessel's AI assistant integrates directly into your coding workflow. It can read your files, write code, run terminal commands, manage your project, and even browse the web — powered by any model you choose.
25+ tools including file read/write, terminal execution, and web search
Function calling with real-time streaming across all major providers
Context-aware suggestions that understand your entire project
Switch between GPT-5, Claude Opus, Gemini Pro, and 20+ others instantly
AI Tool Categories
Environments
Three ways to develop
Choose the environment that fits your workflow — or switch between them seamlessly.
Local
Connect to your local filesystem. Full access to your machine's files, terminal, and processes. Ideal for existing projects and familiar workflows.
- Direct filesystem access
- Native terminal
- No containers needed
Vessel Sandbox
Ephemeral Docker containers with pre-configured dev environments. Spin up in seconds, destroy when done. Safe, isolated, and reproducible.
- Docker-powered isolation
- Pre-configured environments
- Instant setup & teardown
Remote SSH
Connect to any remote server via SSH. Develop on powerful cloud machines, GPU instances, or your own infrastructure from anywhere.
- SSH key authentication
- Remote terminal & files
- Cloud GPU support
Under the Hood
Built with modern tech
Next.js + React
Modern web framework with server-side rendering and API routes
Monaco Editor
VS Code's editor engine for IntelliSense and language features
xterm.js
Full terminal emulation with WebSocket-based PTY connections
Docker Engine
Container orchestration for isolated, reproducible environments
WebSocket
Real-time bidirectional communication for terminal and AI streaming
SSH2
Secure remote connections with key-based authentication
REST API
Clean API architecture for file ops, processes, and AI integration
Auth & Security
NextAuth.js with OAuth, session management, and RBAC
Compare
How Vessel stacks up
One price. Everything included. No usage-based surprises.
| Feature | Vessel IDE $10.99/mo | Replit $25/mo | GitHub Codespaces Usage-based | Cursor $20/mo | Gitpod $20/mo |
|---|---|---|---|---|---|
| Web-based IDE | |||||
| Built-in AI assistant | |||||
| 20+ AI models included | |||||
| Docker sandboxes | |||||
| Remote SSH support | |||||
| Monaco / VS Code editor | |||||
| Flat monthly pricing | |||||
| Live preview | |||||
| Git integration | |||||
| Function calling / tools |