GPT-5.1 Mini

Overview

Optimized for extreme speed and efficiency, GPT-5.1 Mini provides a robust reasoning core that executes at lightning speeds. It is designed for real-time applications where latency is critical, such as customer support chatbots, data extraction pipelines, and instant translation. While less capable in deep reasoning than the 'High' variant, it outperforms most 2025 flagship models in daily tasks.

📋 Quick Specs

🚀 Try This Prompt

Summarize this email thread into 3 bullet points and draft a professional response.

💡 Paste this into GPT-5.1 Mini to see it in action.

Details

Developer Resources