OpenCode

OpenCode

Anomaly Innovations
+
+

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About

Happy, also known as Happy Coder, is a free, open source mobile and web client that lets users spawn, view, and control multiple Claude Code AI coding agent sessions on any device, phone, tablet, laptop, or desktop, by syncing them in real time using an encrypted relay architecture so that a session started on one device can be continued seamlessly on another without losing context. It comprises three coordinated components, a CLI program that runs locally to launch and monitor Claude Code, a mobile app or web app that connects securely to the CLI session using end-to-end encryption so nobody (including the relay server) can read your data, and a relay server that simply passes encrypted blobs between devices without access to the contents; this design lets developers maintain their existing tools, editors, and workflows while adding remote control capability.

About

OpenCode is the AI coding agent purpose-built for the terminal. It delivers a responsive, themeable terminal UI that feels native while streamlining your workflow. With LSP auto-loading, it ensures the right language servers are always available for accurate, context-aware coding support. Developers can spin up multiple AI agents in parallel sessions on the same project, maximizing productivity. Shareable links make it easy to reference, debug, or collaborate across sessions. Supporting Claude Pro and 75+ LLM providers via Models.dev, OpenCode gives you full freedom to choose your coding companion.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and AI programmers searching for a tool to control and interact with Claude Code from mobile devices and across multiple machines in real time

Audience

OpenCode is built for developers who want an AI coding agent that’s fast, collaborative, and native to the terminal

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.5 / 5
support 4.5 / 5

Pros & Cons from Real Users

Pros

  • OpenCode feels like a strong fit for developers who want an AI coding agent without getting locked into one model or one editor. I like that it works in the terminal, desktop, and IDE, so it can fit into different workflows instead of forcing one setup. The model flexibility is a big win. Being able to use 75+ providers, local models, GitHub Copilot, or ChatGPT Plus/Pro makes OpenCode feel more open and customizable than a lot of coding assistants. I also like the LSP support and multi-session workflow. For real coding work, it helps when the agent understands the project better and can run multiple threads of work in parallel.
  • Easy to install Easy to use Free models available with nearly no limits New models commonly get added for free

Cons

  • OpenCode is still something I would supervise closely. Any coding agent that can modify files, reason through projects, and run workflows needs clear review, tests, and good developer judgment.
  • CLI only

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Happy Coder
United States
happy.engineering/

Company Information

Anomaly Innovations
Founded: 2008
United States
opencode.ai/

Alternatives

SecureDesk

SecureDesk

Rubix Technology

Alternatives

Amp

Amp

Amp Code
Session Orchestrator

Session Orchestrator

Bernhard Götzendorfer
Hermes Agent

Hermes Agent

Nous Research
OpenCode

OpenCode

Anomaly Innovations
Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

Claude Code Supported
AUTOMATER.ai Not Supported
AgentScan Not Supported
AionUi Not Supported
Claude Opus 4.5 Not Supported
Entire Not Supported
GPT-4.1 Not Supported
GPT-5 Not Supported
GPT-5.4 Not Supported
Gemma 4 Not Supported
Grok Code Fast 1 Not Supported
Keenable Not Supported
Kimi K2.5 Not Supported
Kimi K2.7 Code Not Supported
North Mini Code Not Supported
OpenCode Zen Not Supported
Qwen3-Coder Not Supported
TypeUI Not Supported
Vokal Not Supported
bb Not Supported

Integrations

Claude Code Supported
AUTOMATER.ai Supported
AgentScan Supported
AionUi Supported
Claude Opus 4.5 Supported
Entire Supported
GPT-4.1 Supported
GPT-5 Supported
GPT-5.4 Supported
Gemma 4 Supported
Grok Code Fast 1 Supported
Keenable Supported
Kimi K2.5 Supported
Kimi K2.7 Code Supported
North Mini Code Supported
OpenCode Zen Supported
Qwen3-Coder Supported
TypeUI Supported
Vokal Supported
bb Supported
Claim Happy Coder and update features and information
Claim Happy Coder and update features and information
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Claim OpenCode and update features and information