OpenRouter
GPT-5.4 Nano
gpt-nano
Model ID openai/gpt-5.4-nano
Provider OpenRouter
Family gpt-nano
Status -
Knowledge Cutoff 2025-08-31
Release Date 2026-03-17
Input Modalities text, image, pdf
Output Modalities text
Context Window 400000
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning No
Structured Output Yes
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.20
Output Cost / 1M tokens $1.25
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.02
Cache Write Cost / 1M tokens -