by anthropic
Claude Sonnet 4.6 is Anthropic's balanced performance model for coding, reasoning, and agentic workflows with a 1M context window.
Use Claude Sonnet 4.6 with a simple API call. OpenAI-compatible endpoint, EU data residency guaranteed.
const response = await fetch("https://api.eurouter.ai/api/v1/chat/completions", {
method: "POST",
headers: {
"Content-Type": "application/json",
"Authorization": `Bearer ${process.env.EUROUTER_API_KEY}`,
},
body: JSON.stringify({
model: "claude-sonnet-4-6",
messages: [
{ role: "user", content: "Hello!" }
],
}),
});
const data = await response.json();
console.log(data.choices[0].message.content);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.