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OpenCode

OpenCode

Open-source CLI coding agent with 75+ model providers

API costs only (varies by model) ✗ Split Opinion Visit Website ↗

Score Breakdown

8.2
7.9
9.2
Code Quality & Accuracy 8.3
8.0 7.8 9.0
Context Understanding 8.3
8.0 7.6 9.2
Multi-file Editing 8.1
8.0 7.4 8.8
Speed & Performance 8.3
8.0 8.2 8.8
Pricing Value 9.0
9.0 8.4 9.5
Ease of Use 7.9
7.0 7.6 9.0
Model Flexibility 9.5
9.5 9.0 10.0
Extension Ecosystem 8.6
8.5 7.9 9.5

Judge Opinions

Claude Opus 8.2

"OpenCode is the leading open-source Claude Code alternative, with 95K GitHub stars, 2.5M monthly developers, and best-in-class model flexibility across 75+ providers with mid-session switching. Its LSP integration automatically configures language servers for the LLM, providing genuine code intelligence that reduces hallucinations. As an orchestration layer rather than a model, output quality is entirely dependent on the chosen provider — and a January 2026 RCE vulnerability (now patched) and Anthropic blocking controversy highlight growing pains."

+ Supports 75+ LLM providers with mid-session model switching — unmatched flexibility lets you use the best model for each task
+ Automatic LSP integration gives the AI language-server-quality code intelligence, reducing hallucinations compared to raw LLM prompting
+ 95K GitHub stars with SDKs for JavaScript, Go, and Python, plus an active community plugin ecosystem
+ Plan Mode vs Build Mode toggle (Tab key) lets you separate ideation from code modification cleanly
- Code quality ceiling is entirely set by the chosen model — OpenCode adds orchestration intelligence but no proprietary reasoning
- A severe RCE vulnerability (pre-v1.0.216) exposed an unauthenticated HTTP server with CORS allowing all origins
- Anthropic blocked OpenCode from Claude Max subscriptions in January 2026, causing user disruption
- Terminal proficiency and provider API key configuration create a meaningful barrier for developers used to GUI tools
GPT-5.2 7.9

"OpenCode is a terminal-first coding assistant with a polished TUI and a multi-provider setup, letting you pick from a wide range of models while keeping your workflow in the shell. It’s fast for iterative debugging and small-to-medium refactors, especially when you can loop on real test and build output. Cost and data-handling considerations depend on whether you bring your own model keys or use hosted plans."

+ Multi-provider support with quick switching between models for different tasks
+ TUI-focused workflow makes it easy to inspect context, apply patches, and iterate quickly
+ Pay-as-you-go billing makes it easy to start small without a large upfront commitment
+ Public changelog and frequent releases help track breaking changes and new features
+ Works well for shell-centric development (tests, lint, git) without leaving the terminal
- Security posture depends on keeping the local agent/runtime updated; past advisories highlight the need to patch promptly
- Data handling depends on your chosen provider(s), so privacy guarantees vary by configuration and routing
- Complex multi-file changes still require careful review to avoid partial or inconsistent edits
- Some advanced workflows depend on configuring multiple API keys and provider settings
Gemini 3 9.2

"OpenCode is the ultimate 'universal adapter' for AI coding, boasting massive adoption (95k+ stars) and unmatched flexibility with support for 75+ model providers. Its unique engineering approach—integrating directly with Language Server Protocols (LSP) and offering parallel agent sessions—makes it a technically superior choice for power users who demand privacy and control across CLI, desktop, and IDE environments."

+ Unmatched model flexibility (75+ providers) including local and proprietary/paid accounts
+ Native LSP integration provides deeper code awareness than simple text-based RAG
+ Available everywhere: highly polished Terminal, Desktop App, and IDE extensions
+ Privacy-first architecture stores zero code or context data
- Requires bringing your own API keys/subscriptions for best results
- Vast configuration options can be overwhelming for casual users
- Parallell agent sessions can consume API credits rapidly if not monitored

/// RECOMMENDED_USE_CASE

"Developers who want maximum model flexibility with a native TUI and no vendor lock-in"