OpenAI: GPT-5 Nano
Nano Speed. Full Power
Deploy GPT-5 Nano Fast
Ultra Low Latency
Fastest GPT-5 Variant
OpenAI: GPT-5 Nano handles classification and summarization at minimal cost.
400K Context
Massive Token Window
Process 400,000 input tokens with text and image support via OpenAI: GPT-5 Nano API.
Tool Calling
Function Calling Ready
OpenAI gpt 5 nano api enables structured outputs and agentic workflows efficiently.
Examples
See what OpenAI: GPT-5 Nano can create
Copy any prompt below and try it yourself in the playground.
Code Review
“Review this Python function for bugs and optimize for speed: def fibonacci(n): if n <= 1: return n return fibonacci(n-1) + fibonacci(n-2)”
Data Summary
“Summarize key trends from this sales dataset in bullet points: Q1: 1200 units, Q2: 1500, Q3: 1100, Q4: 1800.”
Text Classify
“Classify this email as spam, urgent, or normal: Subject: Urgent invoice overdue. Pay now or account suspended.”
Image Describe
“Describe elements in this chart image and extract top 3 insights on revenue growth.”
For Developers
A few lines of code.
Nano inference. One call.
ModelsLab handles the infrastructure: fast inference, auto-scaling, and a developer-friendly API. No GPU management needed.
- Serverless: scales to zero, scales to millions
- Pay per token, no minimums
- Python and JavaScript SDKs, plus REST API
import requestsresponse = requests.post("https://modelslab.com/api/v7/llm/chat/completions",json={"key": "YOUR_API_KEY","prompt": "","model_id": ""})print(response.json())
Ready to create?
Start generating with OpenAI: GPT-5 Nano on ModelsLab.