OpenCode

Name: OpenCode
Availability: OnlineOnly
Rating: 4.41 (34 reviews)
Author: Anomaly Innovations

Open source AI coding agent available as a terminal interface, desktop app, and IDE extension that works with 75+ LLM providers.

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At a Glance

Pricing

Open Source

Free tier available

The MIT-licensed OpenCode agent is free to use, modify and distribute. Bring your own provider key or compatible existing subscription; model-provider charges and limits apply separately. Optional OpenCode Go and Zen managed-model services are not required.

Go: $10/mo

Go Plus: $40/mo

Enterprise: Custom/contact

Engagement

Available On

Windows

macOS

Linux

iOS

Web

Anomaly InnovationsSan Francisco, CAEst. 2008$1M raised

Updated Oct 2026

About OpenCode

OpenCode is an open source AI coding agent from Anomaly that helps developers write code from the terminal, a desktop app, or an IDE extension. It connects to LLM providers through API keys or existing subscriptions, and the repository is MIT licensed. The desktop app is marked as beta in the README.

What It Is

OpenCode is a coding agent that works on a local project. A user installs the opencode binary, configures a provider, runs it inside a project directory, and uses /init to have it analyze the codebase and create an AGENTS.md file describing the project structure and coding patterns. From there the user can ask questions about the code, request features, make direct edits, and revert changes with /undo and /redo.

Agents and Workflow

OpenCode includes two built-in agents that you switch between with the Tab key. The build agent is the default, full-access agent for development work. The plan agent is read-only: it denies file edits by default and asks permission before running bash commands, which suits exploring unfamiliar codebases or planning changes. A general subagent handles complex searches and multistep tasks and can be invoked with @general. The docs suggest drafting a plan first, iterating on it, then switching to build mode. Images can be dragged into the terminal as reference.

Models and Providers

The homepage says OpenCode supports 75+ LLM providers through Models.dev, including local models. Users can log in with a GitHub Copilot account or a ChatGPT Plus/Pro account. OpenCode Zen is a curated set of models that the OpenCode team says it has tested and benchmarked for coding agents. The homepage also lists LSP integration and multi-session parallel agents.

Updated October 21, 2026: OpenCode discontinued session sharing in v1.19.1 on October 15, 2026. Existing share links and session-sharing commands no longer work, and importing sessions from share URLs is unsupported (release notes).

Setup Path

Installation options include an install script, npm, Bun, pnpm, Yarn, Homebrew, Arch packages, Chocolatey, Scoop, Mise, Nix, and Docker. The docs recommend a modern terminal emulator such as WezTerm, Alacritty, Ghostty, or Kitty. Customization covers themes, keybinds, formatters, custom commands, and a config file. The site states that OpenCode does not store users' code or context data, and it offers an enterprise option with SSO and internal AI gateway integration.

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Pricing

OPEN SOURCE

Open Source

Full terminal TUI interface
Desktop app (beta)
IDE extension
75+ LLM providers
GitHub Copilot login

Go

Optional managed-model subscription, separate from the free OpenCode agent. Each model has its own monthly dollar allowance: 20% can be used per five-hour window and 50% per week. Allowances and token rates vary by model; this is not unlimited usage.

$10

per month

Managed access to a curated model lineup
API-key access for OpenCode and compatible coding agents
Per-model monthly allowances with five-hour and weekly caps
Optional paid Zen-balance fallback after caps, when enabled

Go Plus

Optional managed-model subscription, separate from the free OpenCode agent. Higher per-model allowances than Go. Each model has its own monthly dollar allowance: 20% can be used per five-hour window and 50% per week. Allowances and token rates vary by model; this is not unlimited usage.

$40

per month

Managed access to a curated model lineup
API-key access for OpenCode and compatible coding agents
Per-model monthly allowances with five-hour and weekly caps
Optional paid Zen-balance fallback after caps, when enabled

Enterprise

Enterprise deployment with SSO integration, internal AI gateway support, and team management. Contact sales for pricing.

Custom

contact sales

SSO integration
Internal AI gateway support
No data or context stored
No licensing restrictions or ownership claims
Team trial and organization-wide deployment

View official pricing

Capabilities

Key Features

Terminal UI, desktop app (beta), and IDE extension
75+ LLM providers via Models.dev including local models
Build and plan built-in agents with Tab switching
General subagent for complex searches
Automatic LSP loading
Multi-session parallel agents
Login with GitHub Copilot or ChatGPT Plus/Pro
/init generates AGENTS.md
/undo and /redo commands
Image input as prompt reference
Custom themes, keybinds, formatters, and commands
OpenCode Zen curated models
Enterprise SSO and internal AI gateway integration

Integrations

GitHub Copilot

ChatGPT Plus/Pro

Models.dev

Claude

GPT

Gemini

LSP

Docker

Homebrew

API Available

View Docs

Ratings & Reviews

4.4

34 reviews

60%

30%

10%

Based on 34 reviews

Highly rated90% positive reviews

Recent Reviews

Keshav Melnad

2026-10-21

Helpful?

Ai.Alifiya Nashrulla

2026-10-14

Helpful?

Shaa ^^

2026-10-09

Helpful?

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Developer

Anomaly Innovations

Anomaly Innovations Inc. is a developer-focused software company building open, composable infrastructure for the modern cloud and AI-native era. The company is best known for creating SST (Serverless Stack) and a growing family of open-source tools that emphasize clarity, ownership, and long-term maintainability over black-box abstractions. Founded by experienced infrastructure and developer tooling engineers, Anomaly’s work consistently revolves around a simple belief: developers should understand and own their systems, not fight them. This philosophy shows up across every product the company ships. Rather than building isolated tools, Anomaly maintains a cohesive open-source ecosystem designed to work well together while remaining useful independently. This includes SST for defining cloud infrastructure using real programming languages, OpenNext for deploying and owning Next.js infrastructure, OpenAuth for composable authentication primitives, OpenTUI for building rich terminal interfaces, Models.dev for understanding and comparing AI models, and [OpenCode](/tools/opencode) — a privacy-first, local-first AI coding agent built primarily for terminal workflows. Across these projects, Anomaly follows a consistent set of principles: open-source first, escape hatches over lock-in, minimal magic, and deep respect for production reality. Tools are designed to be auditable, self-hostable, and understandable, even as systems scale in complexity. Where abstractions exist, they are meant to simplify without hiding how things actually work. Anomaly’s approach to AI reflects this same mindset. Instead of treating AI as a closed platform, the company treats it as infrastructure — something that should be model-agnostic, swappable, cost-transparent, and under developer control. OpenCode, for example, runs locally by default, does not retain user code or context, and allows developers to bring their own models or providers. Optional services like OpenCode Zen layer curated model access on top without compromising the core open-source workflow. The company is backed by Y Combinator and notable technology investors including Reid Hoffman, Max Levchin, and Steve Chen, and its tools are used by startups, scale-ups, and independent developers worldwide. Despite this backing, Anomaly has maintained a strong indie-infrastructure mindset: build things that last, prioritize trust over lock-in, and optimize for long-term developer confidence rather than short-term growth tactics. At its core, Anomaly Innovations builds tools for developers who care about owning their infrastructure, understanding their AI systems, and building software that will still make sense years down the line. It is not a platform company chasing dependency — it is an infrastructure company betting that clarity scales better than complexity."

Founded 2008

San Francisco, CA

$1M raised

10 employees

Used by

Cloudflare (enterprise OpenCode user)

Kovi (SEED customer)

Freelancer (SEED customer)

Kasa (SEED customer)

+4 more

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