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Analyzing OpenCode: What Does a Coding Agent Look Like When You Make It a Provider-Agnostic Headless Engine?
OpenCode externalizes model metadata to models.dev and even hand-rolls its own LLM protocol layer, so any provider attaches with a single line of data. A single Effect-based HTTP engine is shared by the TUI, web, desktop, Slack, and editors (ACP), while two generations — legacy and V2 — coexist. We analyze the structure against Qwen Code's single-vendor platform.
Analyzing Qwen Code: How Far Has a Terminal Coding Agent Become a Platform?
Qwen Code is a TypeScript-based coding agent that bundles a terminal CLI, an LLM provider abstraction, a tool scheduler, MCP, Skills, Subagents, the qwen serve daemon, channel plugins, and IDE integration into a single repository. We analyze how it reconstructs a Claude Code-style experience on top of Qwen/DashScope, multiple providers, and an extensible agent runtime.