Hermes 4 405B

by nousresearch

Chat

Description

Hybrid-reasoning model trained on verified CoT traces for strong math, coding, and step-by-step reliability.

Providers

Nebius

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Pricing

Input$1.00 /1M tokens

Output$3.00 /1M tokens

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Specifications

Context128K tokens

Parameters—

License—

Released—

Capabilities

ToolsJSON ModeStreaming

EU-Compliant API Access

Use Hermes 4 405B 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: "hermes-4-405b",
    messages: [
      { role: "user", content: "Hello!" }
    ],
  }),
});

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

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You need AI that won't create compliance headaches. Your data stays in the EU, GDPR is enforced by default, and every request is routed for the best balance of cost, latency, and uptime — reducing risk while improving performance.

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