Claude's fastest and most compact model. Near-instant response times for customer interactions, document routing, and lightweight agents.
Swap any model ID in a single field. Neureus handles routing, caching, and tenant isolation automatically.
const res = await fetch('https://app.neureus.ai/ai/chat', {
method: 'POST',
headers: {
'Authorization': `Bearer ${NEUREUS_API_KEY}`,
'Content-Type': 'application/json',
},
body: JSON.stringify({
model: 'anthropic/claude-haiku-4-5',
messages: [{ role: 'user', content: 'Hello!' }],
}),
});
const { message } = await res.json(); Free tier includes 5M AI tokens, RAG pipeline, agents, and all 7 composition patterns — no credit card required.