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What is OpenCode?

OpenCode is the ultimate AI coding agent designed to feel at home in the terminal. Its responsive, customizable TUI provides a native experience that blends the efficiency of command-line development with the intelligence of AI. With full LSP support, OpenCode automatically loads the right language servers, ensuring developers get accurate, context-rich coding assistance. Its unique multi-session feature allows developers to run multiple AI agents in parallel on the same project, enabling advanced workflows and faster iteration. Sessions can be shared via generated links, making it easy to collaborate, debug, or review coding progress with teammates. OpenCode is built for choice—it supports Claude Pro, Claude Max, and over 75+ LLMs via Models.dev, including the ability to run local models for private development. Installation is fast and versatile, working across npm, Bun, Homebrew, and Paru so developers can get started on any system. It also integrates natively with VS Code and GitHub, extending its AI capabilities into popular coding environments. By combining speed, customization, and open model support, OpenCode redefines how AI fits into developer workflows. For teams and solo developers alike, OpenCode makes AI-assisted coding powerful, collaborative, and truly terminal-first.

What is Happy Coder?

Happy, commonly known as Happy Coder, is a free and open-source client that operates on both mobile and web platforms, empowering users to create, monitor, and manage various sessions of Claude Code AI coding agents across a wide array of devices, including smartphones, tablets, laptops, and desktops, all while maintaining real-time synchronization through a secure relay system that ensures users can seamlessly continue their work on different devices without losing any context. This robust system comprises three main components: a CLI program running locally that initiates and manages the Claude Code sessions, a mobile or web application that securely links to the CLI using end-to-end encryption to safeguard user data from unauthorized access, including from the relay server, and a relay server that solely transmits encrypted information between devices without deciphering the content; this architecture allows developers to utilize their favorite tools, editors, and workflows while effortlessly integrating remote control features. Furthermore, the ability to transition smoothly between devices significantly boosts productivity and adaptability for users immersed in coding endeavors, making it an invaluable asset for developers.

Media

Media

Integrations Supported

Claude Code
Claude Max
Claude Opus 4
Claude Pro
Cosyra
GPT-5
GPT-5.1 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.4 mini
Gemini 2.5 Pro
Gemini 3.1 Flash-Lite
Gemma 4
Grok Code Fast 1
LaReview
MiMo-V2-Pro
Paper
Subspace
TypeUI
Vicoa

Integrations Supported

Claude Code
Claude Max
Claude Opus 4
Claude Pro
Cosyra
GPT-5
GPT-5.1 Thinking
GPT-5.3 Instant
GPT-5.4 Pro
GPT-5.4 mini
Gemini 2.5 Pro
Gemini 3.1 Flash-Lite
Gemma 4
Grok Code Fast 1
LaReview
MiMo-V2-Pro
Paper
Subspace
TypeUI
Vicoa

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Anomaly Innovations

Date Founded

2008

Company Location

United States

Company Website

opencode.ai/

Company Facts

Organization Name

Happy Coder

Company Location

United States

Company Website

happy.engineering/

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