GPT-5 Nano

Overview

GPT-5 Nano is OpenAI's fastest and most cost-efficient model in the GPT-5 family. Designed for high-volume, well-defined tasks like summarization and classification, it delivers excellent performance at a fraction of the cost.

Best Use Cases

✅ Recommended For

• Summarization: Quick summarization of documents and content
• Classification: Text classification and categorization tasks
• High-Volume Tasks: Processing large numbers of requests efficiently
• Simple Tasks: Well-defined, straightforward operations

⚠️ Consider Alternatives For

• Complex Reasoning: GPT-5 or GPT-5 mini better for advanced logic
• Advanced Coding: Codex models specialized for development tasks
• Long Tasks: More powerful models for complex, multi-step workflows

Technical Highlights

Feature	Details
Context Window	400K tokens
Max Output	128K tokens
Pricing	$0.05 / $0.40 per MTok (in/out)
Knowledge Cutoff	May 2024
Reasoning	✅ Low/Medium/High levels
Tool Use	✅ Function calling support
Vision	✅ Text and image input
Web Search	✅ Supported
Speed	Fastest