GPT-5 Nano
by OpenAI
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasonin
Models
GPT-5 Nano
Added 10 July 2026
Overview
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
How to use / API access
Call via OpenRouter with model id `openai/gpt-5-nano`.
- openrouter ·
openai/gpt-5-nanoDocs
OpenRouter id: openai/gpt-5-nano
Benchmarks
- Intelligence Index (artificial-analysis): 13 index
- Design Arena 3d (other): 966 elo · #116
- Design Arena codecategories (other): 1086 elo · #105
- Design Arena dataviz (other): 1057 elo · #107
- Design Arena gamedev (other): 1046 elo · #111
Notes
GPT-5 Nano is listed in the EDNA Models directory from the OpenRouter catalogue.
Get the free Developer’s Field Guide
A 27-page field guide to the AI coding workflow with Claude. Claude Code, MCP servers, the prompt patterns that work, and what to delegate. Free.
Enter your work email. We send it straight over, plus a few short notes worth knowing. Unsubscribe any time.