OpenCode

OpenCode

Anomaly Innovations
+
+

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About

Pi is a minimal terminal coding harness built to adapt to developer workflows instead of forcing developers to adapt to it. It ships with powerful defaults, but stays intentionally small and aggressively extensible, letting users customize Pi with extensions, skills, prompt templates, themes, and shareable packages from npm or git. If a team needs a command, tool, provider, workflow, or UI tweak, they can ask Pi to build it, manipulate it in place, reload, and keep going. Pi supports interactive, print/JSON, RPC, and SDK modes, making it usable as a full terminal UI, a scriptable command, a JSON event stream, or an embeddable agent harness. It works with 15+ providers and hundreds of models, including Anthropic, OpenAI, Google, Azure, Bedrock, Mistral, Groq, Cerebras, xAI, Hugging Face, Kimi For Coding, MiniMax, OpenRouter, Ollama, and more, with mid-session model switching.

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 Not Supported
iPad Not Supported
Android Not 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 tool builders who want a minimal, extensible terminal coding agent they can customize, script, embed, and adapt to their own workflows

Audience

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

Support

Phone Support Not 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 Not 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 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

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

  • Pi Agent looks really appealing from a developer’s point of view because it is simple, open-source, and focused on the actual mechanics of building coding agents. It is not trying to be a giant all-in-one platform. It gives you the core pieces: a unified LLM API, an agent loop, a terminal UI, and a coding-agent CLI. I especially like the context-engineering approach. Being able to control project instructions with AGENTS.md, customize the system prompt with SYSTEM.md, and manage long sessions through compaction makes Pi feel built for developers who actually understand how fragile agent context can be. The open-source MIT license is a big plus too. If I am building serious agent workflows, I want to inspect the harness, modify it, swap models, and understand what is happening under the hood instead of being locked into a black-box coding assistant.

Cons

  • Pi Agent is probably not the best fit for someone who wants a polished, fully managed AI coding product out of the box. It feels more like a toolkit for developers who are comfortable configuring their own workflows, choosing models, and tuning the agent behavior. I would also want to test reliability carefully before using it on production repos. Coding agents can make impressive changes, but they can also get stuck, over-edit files, miss project conventions, or make subtle mistakes if the context and guardrails are not set up well. The simplicity is a strength, but it also means you may need to bring more of your own infrastructure, evals, permissions, and safety controls.

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

Pi
United States
pi.dev/

Company Information

Anomaly Innovations
Founded: 2008
United States
opencode.ai/

Alternatives

Amp

Amp

Amp Code

Alternatives

Amp

Amp

Amp Code
Claude Code

Claude Code

Anthropic
Grok Bot

Grok Bot

SpaceXSI
Hermes Agent

Hermes Agent

Nous Research
Cline

Cline

Cline AI Coding Agent
Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

Claude Fable 5.1 Supported
Claude Fable 5.5 Supported
Claude Mythos 5.1 Supported
Claude Sonnet 5.5 Supported
GPT-5.4 Supported
GPT-5.4 Pro Supported
GPT-5.5 Supported
GPT-5.6 Luna Supported
GPT-5.6 Sol Supported
GPT-5.6 Sol Ultrafast Supported
GPT-6 Astra Supported
GPT-6.1 Sol Supported
Holo4 Supported
Kimi K2.5 Supported
Kimi K3 Supported
MemPalace Supported
OpenAI Bel Supported
OpenViking Supported
Paperclip Supported

Integrations

Claude Fable 5.1 Supported
Claude Fable 5.5 Supported
Claude Mythos 5.1 Supported
Claude Sonnet 5.5 Supported
GPT-5.4 Supported
GPT-5.4 Pro Supported
GPT-5.5 Supported
GPT-5.6 Luna Supported
GPT-5.6 Sol Supported
GPT-5.6 Sol Ultrafast Supported
GPT-6 Astra Supported
GPT-6.1 Sol Supported
Holo4 Supported
Kimi K2.5 Supported
Kimi K3 Supported
MemPalace Supported
OpenAI Bel Supported
OpenViking Supported
Paperclip Supported
Claim Pi Agent and update features and information
Claim Pi Agent and update features and information
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Claim OpenCode and update features and information