Pi provides an agent toolkit with a unified model API, agent loop, terminal UI, and coding command line.
Open source
24 alternativesOpenCode
OpenCode helps with AI-assisted coding and connects to model providers such as Claude, GPT, and Gemini.
About OpenCode
OpenCode is an open source agent that helps write code in a terminal, IDE, or desktop app. It connects to models from providers including Claude, GPT, and Gemini, with support for 75+ providers including local models, and supports using existing GitHub Copilot and ChatGPT Plus or Pro accounts.
The site states OpenCode does not store code or context data, though use involves sending code to external model providers.
Key features
- Write code using a terminal interface, desktop app, and IDE extension
- Connect to 75+ LLM providers, including local models
- Automatically loads relevant LSPs for the model
- Run multiple agents in parallel on the same project
- Share links to sessions for reference or debugging
- Use existing GitHub Copilot or ChatGPT Plus or Pro logins
Best for: Developers who want an open source assistant for writing code across terminal, desktop, and IDE workflows.
Good for
- Open source
- Available as terminal interface, desktop app, and IDE extension
- Supports many model providers, including local models and existing account logins
OpenCode at a glance
- Website
- opencode.ai
- Category
- AI & Machine Learning › AI Coding Tools
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Yes
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
OpenCode alternatives
Tools and sites you could use instead, ranked by how closely they match.
Localforge runs autonomous coding agents locally through a graphical interface for Codex, Claude, and other language models.
ChatDev uses multi-agent collaboration to create software from a natural language idea.
Open source
24 alternatives
Tokenomy meters AI model and agent calls, applies budgets, routes requests, and records model pricing.
Use ForgeCode to work with AI coding agents during software development and engineering tasks.
Nanocoder provides an open coding agent for terminal workflows with a user-selected model.
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OpenCode FAQ
What is OpenCode?
It is an open source agent that helps write code in a terminal, IDE, or desktop.
Can OpenCode be used outside the terminal?
Yes. It is available as a terminal interface, desktop app, and IDE extension.
Can I use existing AI subscriptions with OpenCode?
The site lists logging in with GitHub to use a Copilot account and logging in with OpenAI to use a ChatGPT Plus or Pro account.
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