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OpenAI: GPT-5 Nano

openai/gpt-5-nano
Aug 7, 2025400K context128K max output$0.05/M in · $0.40/M outReasoning

Description

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 counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.

Specifications

Provider
openai
Context Length
400K
Max Output
128K
Modality
Intextimagefile
Outtext

Pricing

TypePrice / 1M tokens
Input$0.05
Output$0.40
Cache Read$0.0050
Web Search$0.01 / call

Quick Start

curl https://api.ominigate.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-omg-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-nano",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'