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GPT-4.1 Nano

by openai

Chat

Description

GPT-4.1 nano excels at instruction following and tool calling. It features a 1M token context window, and low latency without a reasoning step.

Providers

Pricing

Input$0.11 /1M tokens
Output$0.40 /1M tokens
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Specifications

Context1M tokens
Parameters
Licenseproprietary
ReleasedApr 2025

Capabilities

VisionToolsJSON ModeStreaming

EU-Compliant API Access

Use GPT-4.1 Nano with a simple API call. OpenAI-compatible endpoint, EU data residency guaranteed.

JavaScript
const response = await fetch("https://api.eurouter.ai/v1/chat/completions", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "Authorization": `Bearer ${process.env.EUROUTER_API_KEY}`,
  },
  body: JSON.stringify({
    model: "gpt-4.1-nano",
    messages: [
      { role: "user", content: "Hello!" }
    ],
  }),
});

const data = await response.json();
console.log(data.choices[0].message.content);

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