Kun vs OpenCode (2026): Which Vibe Coding App Is Better?

Both are popular terminal coding agents. Here is how Kun and OpenCode stack up on price, strengths and weaknesses, and which one we would pick.

Kun

Local-first AI agent workspace for code, design, and documents, in GUI or TUI

7.0 /10

Pricing: Freemium

Pros

Single runtime spans desktop GUI and terminal TUI with shared state
Broad scope beyond coding: design canvas and document/office modes too
Multi-model support (Claude, ChatGPT, Gemini, Ollama, DeepSeek) avoids vendor lock-in

Cons

PolyForm Noncommercial license blocks commercial use without a separate agreement
Breadth across code/design/work modes may mean less depth than a coding-only specialist tool

Visit Kun ↗

OpenCode

Open-source terminal coding agent that works with any model provider

8.4 /10

Pricing: Open source

Pros

Free and open source; any model provider
Claude Code-style extensibility
Fast, well-designed terminal UI

Cons

You pay the model provider directly; costs vary with usage
Smaller community of ready-made extensions

Visit OpenCode ↗

Kun vs OpenCode at a glance

	Kun	OpenCode
Editor score	7.0 / 10	8.4 / 10
Pricing model	Freemium	Open source
Starting price	Free	Free
Reader upvotes	0	1
Best for	local-first, agent-workspace, tui	terminal, open source, byok
Agent Skills support	No	Yes
Subagents support	No	Yes
MCP support	Yes	Yes
AGENTS.md support	No	Yes
Plugins support	No	Yes
Hooks support	No	No
Rules support	No	No
Agent skills in this directory	0	53
Subagents & agents in this directory	3	26
MCP servers in this directory	72	73

Our pick

OpenCode edges it with a score of 8.4 versus 7.0. OpenCode is the better fit if you value: free and open source; any model provider, claude code-style extensibility. Choose Kun instead if you need: single runtime spans desktop gui and terminal tui with shared state, broad scope beyond coding: design canvas and document/office modes too.