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GPT 5 Nano

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...

Intelligence#220 / 563
20
Artificial Analysis Intelligence Index
Speed#71 / 576
154.8
Output tokens per second (median)
Input Price#215 / 576
$0.05NT$ 2
USD / 1M tokens
Output Price#252 / 576
$0.40NT$ 13
USD / 1M tokens
First-token latency#571 / 576
105.33s
Time to first token (AA median)
ProviderOpenAI
Released2025年8月
Model IDopenai/gpt-5-nano

Technical specifications

Context window
400K tokens
Reasoning
Yes
Input
TextImageFile
Output
Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$0.05NT$ 2
Output$0.40NT$ 13
Cache read$0.01NT$ 0
Cache write
3:1 blended (est.)$0.14NT$ 4
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$0.05
Output$0.40
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$0.14
✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 20
Coding
Math 84
MMLU 78
GPQA 68
This modelCategory leader
Overall intelligence
#220out of 563 models
Aggregated across academic benchmarks
Math reasoning
#52out of 269 models
AIME / MATH-500 / SciCode
Time to first token
#571out of 576 models
AA 全球 p50:105.33 秒
Intelligence
20
Mid-tier
This model
20
Category leader
60
Median
15
Math
84
Top 19%
This model
84
Category leader
99
Median
53
MMLU Pro
78%
This model
78%
Category leader
90%
Median
75%
GPQA
68%
This model
68%
Category leader
94%
Median
68%
LiveCodeBench
79%
This model
79%
Category leader
42%
Median
42%
HLE
8%
This model
8%
Category leader
53%
Median
7%
SciCode
37%
This model
37%
Category leader
60%
Median
33%
IFBench
68%
This model
68%
Category leader
83%
Median
44%
τ²-Bench Telecom
37%
This model
37%
Category leader
99%
Median
46%
AA-LCR
42%
This model
42%
Category leader
76%
Median
39%
Terminal-Bench Hard
12%
This model
12%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30
3GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use GPT 5 Nano via BazaarLink API — just change the base_url:

Python
from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="openai/gpt-5-nano",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
TypeScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "openai/gpt-5-nano",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 5 Nano via BazaarLink?

  • USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
  • OpenAI-compatible API — zero code changes required
  • Automatic failover — multi-provider redundancy for the same model
  • Chinese-language support — local team, instant help
Try Now← All Models

Frequently Asked Questions

What is GPT 5 Nano?

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 much does the GPT 5 Nano API cost?

GPT 5 Nano costs $0.0500 per 1K input tokens and $0.4000 per 1K output tokens when accessed through BazaarLink.

How do I use GPT 5 Nano with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-5-nano". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 5 Nano?

GPT 5 Nano supports a context window of 400,000 tokens.

Is GPT 5 Nano available for free?

GPT 5 Nano is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

中轉站誠信檢測 · BazaarLink 獨家

已測試 endpoint
1
獨立 hosts
1
家族指紋一致率
100%
偵測到異常
1
資料範圍
過去 90

BazaarLink Probe 對聲稱提供此模型的 endpoint 進行家族指紋驗證與 V3 子模型對照。 如發現行為與真貨基準不符,會列入異常案例。

查看完整檢測報告 →

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