I used to think picking a coding agent was just a preference thing. Then I watched one break my API contract while fixing my frontend types. Three hours. Same mistake. Over and over. That's when I realized: for full-stack work, the agent doesn't just need to write good code. It needs to see the whole picture. So I spent real time with both OpenCode and Claude Code. Here's what I found: Claude Code is the polished one. Fast. Works out of the box. But you're locked into Claude models only. OpenCode is the flexible one. Free. Works with 75+ providers. Even runs fully local. But you set up more yourself. The speed gap is real. Claude Code finished a cross-file refactor in 2m 15s. OpenCode took 4m 20s. But OpenCode writes more tests. And its LSP integration catches TypeScript errors before you even see them. So which one wins for full-stack? It depends on one thing: do you want easy mode or control? I broke down the full comparison... pricing, privacy, speed, the OAuth mess, and my honest verdict. Read it here: https://blog.webdevlab.org/opencode-vs-claude-code-full-stack Which one are you running? And has it ever broken something you didn't expect? #FullStackDevelopment #AICoding #ClaudeCode #OpenCode #JavaScript #WebDevelopment #DevTools #AIAgents