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OpenAI: GPT-5 Nano

🇺🇸 OpenAI · GPT-5 Nano

Input Price $0.050 per million tokens NT$1.6
Output Price $0.400 per million tokens NT$12.8
Context Window 400K tokens
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Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.050 NT$1.6 2026-05-27
Output per 1M tokens $0.400 NT$12.8 2026-05-27
Cached Input per 1M tokens $0.010 NT$0.32 2026-05-03
Web Search per search $0.010 NT$0.32 2026-05-20

Provider
OpenAI (OpenAI)
Model Family
GPT-5 Nano
Version String
openai/gpt-5-nano
Status
active
Modality
text, image, file
Context Window
400,000 tokens
Output Limit
— tokens

Index Metrics

Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis

Agentic Index 23 D Measured: 2026-05-27
Coding Index 20 D Measured: 2026-05-27
Intelligence Index 27 C Measured: 2026-05-27

Benchmark Scores

Data source: Artificial Analysis

AA-LCR 41.7% D Measured: 2026-05-27
GPQA Diamond 67.6% B Measured: 2026-05-27
HLE 8.3% C Measured: 2026-05-27
IFBench 67.5% B Measured: 2026-05-27
MMMU Pro 61.0% B Measured: 2026-05-27
Non-Hallucination 43.7% Measured: 2026-05-27
Omniscience Accuracy 18.3% Measured: 2026-05-27
SciCode 36.6% B Measured: 2026-05-27
Tau2 36.5% Measured: 2026-05-27
TerminalBench 12.1% Measured: 2026-05-27

Performance Metrics

Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis

First Token Latency 89.0s Measured: 2026-05-27
Output Speed 178 t/s Measured: 2026-05-27
Response Time 91.8s Measured: 2026-05-27

90-Day Price Trend

Input / Output price (USD per 1M tokens)

Past 90 days of records; every price change is shown here

Date Dimension Price (USD) Source
2026-05-27 Web Search $0.010 openrouter
2026-05-27 Cached Input $0.010 openrouter
2026-05-27 Output $0.400 openrouter
2026-05-27 Input $0.050 openrouter
2026-05-26 Web Search $0.010 openrouter
2026-05-26 Cached Input $0.010 openrouter
2026-05-26 Output $0.400 openrouter
2026-05-26 Input $0.050 openrouter
2026-05-25 Web Search $0.010 openrouter
2026-05-25 Cached Input $0.010 openrouter
2026-05-25 Output $0.400 openrouter
2026-05-25 Input $0.050 openrouter
2026-05-24 Web Search $0.010 openrouter
2026-05-24 Cached Input $0.010 openrouter
2026-05-24 Output $0.400 openrouter
2026-05-24 Input $0.050 openrouter
2026-05-23 Web Search $0.010 openrouter
2026-05-23 Cached Input $0.010 openrouter
2026-05-23 Output $0.400 openrouter
2026-05-23 Input $0.050 openrouter
2026-05-22 Web Search $0.010 openrouter
2026-05-22 Cached Input $0.010 openrouter
2026-05-22 Output $0.400 openrouter
2026-05-22 Input $0.050 openrouter
2026-05-22 Web Search $0.010 openrouter
2026-05-22 Cached Input $0.010 openrouter
2026-05-22 Output $0.400 openrouter
2026-05-22 Input $0.050 openrouter
2026-05-21 Web Search $0.010 openrouter
2026-05-21 Cached Input $0.010 openrouter
2026-05-21 Output $0.400 openrouter
2026-05-21 Input $0.050 openrouter
2026-05-20 Web Search $0.010 openrouter
2026-05-20 Cached Input $0.010 openrouter
2026-05-20 Output $0.400 openrouter
2026-05-20 Input $0.050 openrouter
2026-05-19 Cached Input $0.010 openrouter
2026-05-19 Output $0.400 openrouter
2026-05-19 Input $0.050 openrouter
2026-05-18 Cached Input $0.010 openrouter
2026-05-18 Output $0.400 openrouter
2026-05-18 Input $0.050 openrouter
2026-05-17 Cached Input $0.010 openrouter
2026-05-17 Output $0.400 openrouter
2026-05-17 Input $0.050 openrouter
2026-05-16 Cached Input $0.010 openrouter
2026-05-16 Output $0.400 openrouter
2026-05-16 Input $0.050 openrouter
2026-05-16 Cached Input $0.010 openrouter
2026-05-16 Output $0.400 openrouter

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...

Key Insights

Key data points from this page for quick reference and citation.

  • OpenAI: GPT-5 Nano Input price: $0.05/M tokens
  • OpenAI: GPT-5 Nano Output price: $0.4/M tokens
  • Context window: 400,000 tokens
  • Provider: OpenAI
  • Model family: GPT-5 Nano
  • Modalities: text, image, file
  • Data source: OpenRouter, updated daily