GPT-5 Nano
GPT-5 Nano is OpenAI's fastest and most cost-efficient GPT-5 model, delivering lightning-quick responses for summarization, classification, and lightweight tasks with a massive 400,000-token context window. Perfect for high-volume workflows, on-device apps, and budget-sensitive deployments, it combines speed, multimodal input, and unbeatable affordability without compromising practical reasoning power.
Available for Chat, Vision, and File Uploads.
Performance Benchmarks
How do you want to interact?
Start a Conversation
Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.
Use a Persona
Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.
Why use GPT-5 Nano?
Native Multimodal Understanding
Processes text and image inputs for versatile real-time interactions
Enhanced Reasoning
Supports advanced mathematical reasoning and instruction-following precision
High-Throughput Efficiency
Optimized for low-latency tasks like summarization, classification, and API calls
Capability Examples
How to use
Go to Chat
Navigate to the "AI Chat" page.
Select Model
Ensure GPT-5 Nano is selected.
Type Prompt
Ask a question or paste code.
Interact
Refine the answer by replying to the AI.
Compare LLMs Side-by-Side
Is GPT-5 Nano better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.
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