GPT-4.1 Nano API
The cheapest OpenAI model. Excellent for classification, extraction, and simple tasks at scale.
💰 Save up to 70% vs official OpenAI pricingTechnical Specifications
| Provider | OpenAI |
| Model Family | GPT-4.1 Nano |
| Release Date | 2026-01 |
| Context Window | 1M |
| Max Output Tokens | 8,192 |
| Input Price | $0.10 / 1M tokens |
| Output Price | $0.40 / 1M tokens |
| Vision Support | No |
| Function Calling | Yes ✓ |
| JSON Mode | Yes ✓ |
| Streaming | Yes ✓ |
| Fine Tuning | Available |
| Status | Active ✓ |
Overview
GPT-4.1 Nano is OpenAI's current gpt4-class AI model, released in 2026-01. The cheapest OpenAI model. Excellent for classification, extraction, and simple tasks at scale.
With a 1M context window and maximum output of 8,192 tokens, GPT-4.1 Nano is well-suited for ultra-low cost and 1m context. At $0.10/1M input and $0.40/1M output, it offers extremely competitive pricing within the OpenAI ecosystem.
GPT-4.1 Nano supports 3 capabilities: Function Calling, JSON Mode, Streaming. Fine-tuning is available for custom model adaptation. The model serves as an ultra-low cost solution for developers building text-based AI applications.
Through AI API Hub, you can access GPT-4.1 Nano with USDT & USDC payments, no credit card required. All via a fully OpenAI-compatible API — just change your base URL and start building in 30 seconds.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="gpt-4.1-nano",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "gpt-4.1-nano",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "gpt-4.1-nano",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Compare Alternatives
Frequently Asked Questions
What is GPT-4.1 Nano?
GPT-4.1 Nano is OpenAI's current gpt4 model. The cheapest OpenAI model. Excellent for classification, extraction, and simple tasks at scale.. It features a 1M context window, supports Function Calling, JSON Mode, Streaming, and is available through AI API Hub with USDT/USDC payments.
How much does GPT-4.1 Nano cost?
GPT-4.1 Nano pricing: $0.10 per 1M input tokens, $0.40 per 1M output tokens. Pay-as-you-go with no minimum commitment. Sign up at AI API Hub and start with as little as $5.
GPT-4.1 Nano vs Claude Opus 4.8?
GPT-4.1 Nano: $0.10/$1M input, 1M context. Claude Opus 4.8: $5.00/$1M input, 1M context. GPT-4.1 Nano is more cost-effective. Ultra-low cost. Compare them at /compare/gpt-4.1-nano-vs-claude-opus-4.8/.
GPT-4.1 Nano context window?
GPT-4.1 Nano has a 1M context window, capable of processing up to 1,048,576 tokens in a single request. Maximum output tokens: 8,192.
Does GPT-4.1 Nano support function calling?
Yes, GPT-4.1 Nano supports function/tool calling, allowing you to define functions that the model can invoke. This enables AI agents, API integrations, and structured data extraction.
Is GPT-4.1 Nano multimodal?
No, GPT-4.1 Nano is a text-only model. For multimodal use cases, consider models with vision/audio capabilities.
GPT-4.1 Nano API rate limits?
GPT-4.1 Nano rate limits: 10K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider OpenAI's faster variant models.
How to access GPT-4.1 Nano API?
Access GPT-4.1 Nano through AI API Hub: (1) Register at api.apiyihe.org/register?aff=8JZC, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "gpt-4.1-nano". Start building in under 30 seconds.