GPT 5 Nano API Pricing & Quick Start
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...
Technical specifications
Pricing comparison
BazaarLink retail price alongside AA's observed market standard.
BazaarLink price our site
Market reference Artificial Analysis
Independent benchmarks
Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.
Top 5 — CodingCoding Index leaderboard
openai/gpt-5-6-sol-xhigh78$5 / $30openai/gpt-5-6-sol-high77$5 / $30anthropic/claude-opus-5-xhigh77$5 / $25Quick Start
Use GPT 5 Nano via BazaarLink API — just change the base_url:
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)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
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 1M input tokens and $0.4000 per 1M 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.
Relay integrity checks
- Tested endpoints
- 1 runs
- Independent hosts
- 1
- Model-family fingerprint match
- 100%
- Anomalies detected
- 1 runs
- Data range
- past 90 days
BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.
View the full integrity report →Related models and links
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