Keen Code vs OpenCode

Feature	Keen Code	OpenCode

Tagline	Terminal coding agent in Go with a deliberately lean tool set	The open source AI coding agent built for the terminal
Website	https://mochow13.github.io/keen-code/	https://opencode.ai
Language	go	typescript
Release Date	February 16, 2026	May 14, 2025
Last Updated	September 4, 2026	June 28, 2026
Provider Type	Independent	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	basic	basic
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	Yes
Sandbox / Permissions	Yes	Yes
Image / Multimodal Input	No	Yes
Voice Mode	No	No
IDE Integration	None - terminal only	VS Code, Cursor
Hooks / Extensions	No	Yes
Web Search	No	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent; auto-compaction	Model-dependent; auto-compact
Terminal Bench		#60 · 51.7% (Terminal-Bench 2.0) ²
AA Coding Agent Index	-	54% · GLM-5.3
Supported Models	Anthropic, OpenAI, Codex via ChatGPT OAuth, Google AI, Moonshot Kimi, Z.ai GLM, DeepSeek, MiniMax, Amazon Bedrock, OpenCode Go, plus any OpenAI-compatible endpoint	OpenCode managed models, 400+ AI models from OpenRouter - OpenAI, Google, Moonshot AI, xAI, Minimax
Supported Subscriptions	ChatGPT	ChatGPT SuperGrok GitHub Copilot OpenCode Go / Zen Ollama Cloud
Pricing Model	Free, BYOK	Freemium
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK) / $10/mo
Source Code Availability	Open Source (MIT)	Open Source (MIT)
Source Code	https://github.com/mochow13/keen-code	https://github.com/anomalyco/opencode
Development State	active	active