
Let’s talk about Opal — Google’s new "vibe coding" tool
TL;DR: Opal lets you chain together generative AI steps visually to build interactive apps and media. Think: flowchart meets prompt chaining meets a no-code IDE.
Opal is a fascinating case study in how Big Tech is trying to reimagine developer UX. But let’s break it down 👇
- 🧠 What is Opal?
Opal is a browser-based canvas where you can:
- Visually lay out an AI workflow (e.g., generate → refine → output)
- Chain model prompts together as nodes
- Render interactive UI elements like web pages, videos, or text outputs
- Remix existing apps or build your own from scratch
You can think of it as:
- LangChain for civilians
- Replit meets Figma meets Zapier
- If GPT + Make.com had a child raised by the Google UX team
- 🕹️ How does it work?
Each Opal 'app' is a series of steps:
- User Inputs (e.g., text, location, media)
- Prompt Nodes (e.g., "generate game ideas", "create image prompt")
- Output Nodes (render a UI or call a web API)
Behind the scenes, Opal uses:
- PaLM (Pathways Language Model) / Gemini / Imagen under the hood (presumably)
- Predefined templates (e.g., blog post writer, city builder, playlist generator)
- Visual flow logic that connects steps like a DAG (directed acyclic graph)
Example: In “City Games,” you enter a city and game type → it gets weather + location → creates a game concept → renders visuals → outputs a webpage and video. 3. 🧩 What’s cool about it?
- ✅ Dead simple to remix existing ideas
- ✅ Strong design language and onboarding
- ✅ Actually useful for fast prototyping or fun demos
- ✅ Encourages modular thinking (even non-devs can reason through the app flow)
- ✅ Sharing is frictionless — click & play
- 🤯 What’s... kind of overcomplicated?
- ❌ The visual canvas gets cluttered fast — even a basic app has 8–10 steps
- ❌ No clear “code export” or backend connection for developers
- ❌ Prompt engineering feels shallow (no fine-tuning, weights, or retries)
- ❌ Many blocks do the same thing (just with different names/styles)
- ❌ Lacks control flow (no if/else, loops, conditions... yet)
For devs used to building workflows in code or with something like LangGraph, Opal might feel like being asked to design a Ferrari using Duplo blocks. 5. 🤖 Is this the future of app development?
Sort of. The "vibe coding" trend — where you steer apps with goals and prompts, not explicit code — is real. But Opal is more “prototype theatre” than production-grade tooling… at least for now.
Still, it’s one of the cleanest examples of an AI-native IDE designed for non-coders. 6. 🗣️ What do you think?
- Would you use a tool like Opal to prototype an idea?
- Does this “no-code AI” interface help or hurt creativity?
- What would make it dev-friendly without losing accessibility?
Drop your thoughts. Curious how the EveryDev crowd sees this new UX pattern. ⚡️
Please sign in to join the discussion.