Vibe coding with Gemini 3 in AI Studio

Key Concepts

• Gemini 3 Pro: A new, advanced AI model from Google AI, showcasing enhanced reasoning and agentic coding capabilities.
• Google AI Studio: A platform for building AI-powered applications using models like Gemini 3 Pro, featuring a "vibe coding" experience.
• Vibe Coding: A rapid, iterative development process within AI Studio where users describe their app ideas, and the AI generates code.
• Agentic Coding Capabilities: The ability of the AI model to understand and execute complex coding tasks, including error correction and self-improvement.
• Annotation Mode: A feature in AI Studio that allows users to visually annotate parts of a generated app and provide specific instructions for modification.
• Neo Brutalism: A design style characterized by bold, geometric shapes, high contrast, and a raw, unfinished aesthetic.
• Low Poly Toybox Style: A 3D graphics aesthetic that uses a limited number of polygons to create a simplified, playful, and toy-like appearance.
• MRR (Monthly Recurring Revenue): A key metric for SaaS businesses, representing the predictable revenue a company expects to receive each month.
• React 3JS/React Three Fiber: JavaScript libraries used for building 3D graphics and applications within a web environment.

Building Apps with Gemini 3 Pro in Google AI Studio

This summary details the capabilities of Gemini 3 Pro and its application in building diverse apps within Google AI Studio, focusing on three distinct examples: a landing page, an interactive dashboard, and a video game. The core methodology involves describing app ideas through prompts, with Gemini 3 Pro generating the code, and users iteratively refining the applications using features like annotation mode.

1. Landing Page for an AI Course Platform ("The Hidden Layer")

Main Topic: Creating a visually appealing and functional landing page for an AI course platform.

Key Points & Details:

• App Idea: A landing page for an AI course platform named "The Hidden Layer."
• Design Style: Neo Brutalism with a creative, fun design, smooth scroll animations, and "googly" colors.
• Features: Supports both light and dark modes.
• Technical Terms: Neo Brutalism (design style), light/dark mode.
• Process:
  1. Navigate to ai.studio/builds.
  2. Select "Gemini 3 Pro preview" as the model.
  3. Input a prompt describing the app idea, platform name, desired style, and features.
  4. Optionally, add AI capabilities like image or video generation, or tools like Google Search.
  5. Click "Build."
• Gemini 3 Pro's Execution:
  • The model breaks down the prompt into thinking steps.
  • A loading screen provides feature ideas and tips.
  • The app was built in 86 seconds on the first try.
• Generated App Features: "Unlock your hidden potential. Start learning or view the curriculum," "latest drops," "Why learn with a hidden layer," and an email signup form.
• Iteration with Annotation Mode:
  1. Enter annotation mode.
  2. Mark a specific UI element (e.g., a button).
  3. Provide a text instruction (e.g., "change the button color to green").
  4. Accept the annotation.
  5. Add the annotated change to the chat prompt.
  6. Gemini 3 Pro uses visual understanding to translate annotations into code changes.
• Result of Iteration: The button color was successfully changed to green.

2. Interactive Dashboard for a SaaS Business

Main Topic: Transforming raw sales data into an insightful and interactive dashboard with a chatbot.

Key Points & Details:

• App Idea: An interactive dashboard to analyze SaaS sales data.
• Data Source: A CSV file containing sales data with columns: Date, Customer ID, Customer Name, Plan, MRR (Monthly Recurring Revenue), Region, Churn Status, and optional Churn Date.
• Dashboard Insights: Total MRR, MRR growth over time, churn rate, average revenue per customer, and tier distribution.
• Additional Feature: An AI-powered chatbot for asking questions about the business data.
• UI Style: Minimalist, modern, hyper-clean dark mode, inspired by a provided screenshot.
• Technical Terms: MRR (Monthly Recurring Revenue), SaaS (Software as a Service), churn rate, average revenue per user.
• Process:
  1. Describe the app idea, specifying the data analysis goals and the need for an AI chatbot.
  2. Enable the "AI powered chatbot feature."
  3. Upload the CSV data file.
  4. Attach a screenshot for UI design inspiration (e.g., for dark mode and color palette).
  5. Click "Build."
• Gemini 3 Pro's Execution:
  • The model processed the prompt, data, and screenshot.
  • The app was built in 144 seconds.
• Generated App Features: Displays total MRR, active customers, churn rate, average revenue per user, MRR growth, plan distribution, and regional breakdown. Includes an integrated chatbot.
• UI Inspiration: The generated UI took inspiration from the provided screenshot, using gray and yellow colors.
• Iteration with Annotation Mode:
  1. Use annotation mode to draw an arrow pointing to a specific graph.
  2. Add a text instruction to use blue from the initial screenshot for that graph.
  3. Accept and add to the chat.
  4. Gemini 3 Pro successfully updated the graph to blue.

3. 3D Space Shooter Video Game

Main Topic: "Vibe coding" a 3D space shooter game with complex mechanics and a playful aesthetic.

Key Points & Details:

• App Idea: A 3D space shooter clone with a playful, toybox design.
• Game Mechanics:
  • Shoot different objects.
  • Object and collision detection.
  • Explosion effects.
• Design Style: Polished, low poly, toybox style, with a bright and playful aesthetic.
• Technical Stack: React, 3JS, React Three Fiber, and helper libraries.
• Visuals & Atmosphere: Vibrant environment resembling a digital toy set, specific color palette, materials, lighting, and post-processing.
• Gameplay:
  • Fixed camera behind the ship.
  • Player movement on X and Y coordinates.
  • Enemies spawn at negative Z depth and move towards the player.
  • Space bar to shoot projectiles.
  • Arrow keys for spaceship control.
  • Mobile responsiveness.
• Code Structure: Multi-file React application, responsive canvas.
• Process:
  1. Input a detailed and complex prompt describing the game's tech stack, style, gameplay mechanics, controls, and code structure.
  2. Click "Build."
• Gemini 3 Pro's Execution:
  • The model handled the highly detailed prompt.
  • The game was built on the first try.
• Generated Game Features: "Toy box starfighter" with a "start mission" option. Players can navigate, shoot, destroy objects, and see a final score upon game over.
• Error Handling & Autofix: During generation, the model encountered two errors but was able to apply an "autofix" feature within AI Studio, demonstrating its self-correction capabilities without user intervention.

Synthesis/Conclusion

Gemini 3 Pro, integrated into Google AI Studio, offers a powerful and intuitive platform for building a wide range of applications through "vibe coding." The model demonstrates advanced reasoning and agentic coding capabilities, enabling it to generate complex applications from detailed prompts, including a neo-brutalism landing page, an interactive data dashboard, and a 3D video game. The annotation mode provides a seamless iterative refinement process, allowing users to visually guide the AI in making specific changes. Furthermore, Gemini 3 Pro's ability to handle complex instructions and self-correct errors highlights its potential for rapid prototyping and development, making AI-powered app creation accessible even to users without extensive coding experience. The examples showcase the model's versatility in handling diverse design styles, technical requirements, and functional complexities.