Build Apps with GPT-4o
OpenAI's flagship multimodal model. Excellent at generating clean, well-structured code across all frameworks.
fast Speed
Response time
excellent Quality
Code output
8 Frameworks
Supported
How GPT-4o Writes Code
Produces clean, well-organized code with clear variable names, proper separation of concerns, and idiomatic patterns for each framework. Particularly strong at React component architecture and TypeScript types.
Code Quality Details
Sample Output from GPT-4o
Prompt: "Build a counter with increment, decrement, and reset buttons"
import { useState } from "react"
function Counter() {
const [count, setCount] = useState(0)
return (
<div className="flex flex-col items-center gap-4 p-8">
<h1 className="text-4xl font-bold tabular-nums">{count}</h1>
<div className="flex gap-2">
<button onClick={() => setCount(c => c - 1)}
className="px-4 py-2 bg-red-500 text-white rounded-lg">
−
</button>
<button onClick={() => setCount(0)}
className="px-4 py-2 bg-gray-500 text-white rounded-lg">
Reset
</button>
<button onClick={() => setCount(c => c + 1)}
className="px-4 py-2 bg-green-500 text-white rounded-lg">
+
</button>
</div>
</div>
)
}GPT-4o produces concise, idiomatic React with functional updates and clean Tailwind styling. Note the tabular-nums class for consistent number width — a small detail that shows code polish.
Strengths
GPT-4o stands out for several key capabilities that make it a strong choice for AI-assisted development.
- Fast response times
- Strong TypeScript/React output
- Multimodal input support
- Consistent code quality
Considerations
Being transparent about trade-offs helps you choose the right model. Here are some things to keep in mind with GPT-4o.
- •Can occasionally over-engineer simple prompts
- •May use older library patterns if not specified
- •Rate limits apply on free tier
Best For
Supported Frameworks
Use GPT-4o to build apps with any of these frameworks. Click a card to explore templates and example prompts.
Frequently Asked Questions
Is GPT-4o good for code generation?
Yes. GPT-4o by OpenAI is well-suited for code generation, with excellent code output quality and strengths in Fast response times and Strong TypeScript/React output. It excels at React and Next.js apps, Quick prototyping. Many developers use GPT-4o with LoomCode AI to build working apps from natural language descriptions across React, Next.js, Vue, Python, and other frameworks.
How fast is GPT-4o for building apps?
GPT-4o offers fast speed for code generation, which means you can iterate quickly with near-instant responses. With LoomCode AI, you describe your app in plain English and receive runnable code. For rapid prototyping and MVP development, its speed is a significant advantage.
What frameworks work with GPT-4o?
GPT-4o supports all 8 frameworks available in LoomCode AI: React, Next.js, Vue.js, Python, Streamlit, Gradio, PHP, and Laravel. Whether you need a React single-page app, a Next.js full-stack project, a Streamlit data dashboard, or a Laravel backend, GPT-4o can generate working code. Each framework has optimized prompts and templates—simply choose your framework and describe what you want to build.
How much does GPT-4o cost?
Pay-per-use via OpenAI API. LoomCode AI lets you try GPT-4o without any upfront cost—you only pay for API usage based on your provider's pricing. For developers on a budget, some models offer free tiers or extremely low per-token rates. Check OpenAI's current pricing page for the latest rates.
Can GPT-4o build complex applications?
Yes. GPT-4o can build complex applications including multi-page dashboards, CRUD systems, data visualization tools, and full-stack apps. Its excellent quality output and 128K tokens context window allow it to handle sophisticated requirements. Keep in mind: can occasionally over-engineer simple prompts may use older library patterns if not specified. For the most demanding projects, we recommend iterating in smaller steps or using more specific prompts.
Ready to build with GPT-4o?
Start creating apps from a simple description. No setup required—just describe your idea and get working code.
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