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Let’s talk about Opal — Google’s new "vibe coding" tool

By Joe Seifi 0 comments • 1 day ago

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 👇

  1. 🧠 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
  1. 🕹️ 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
  1. 🤯 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. ⚡️

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