Other
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nemotron-3-ultra-free

Model ID: nemotron-3-ultra-free
Family
Other
Context
1,000,000
Per request
Free
Requests
3.5K
Success
99.0%
Tokens
543.13M
Uptime 93.45%
24h agoNow
7 days agoNow

Pricing

Per request
Free
Price history

Price levels previously applied. The row tagged "current" is the live price.

Current Since 10/07/2026 - 02:22:03
Free
Supported endpoints
https://api.xah.io/v1/chat/completions
https://api.xah.io/v1/messages
https://api.xah.io/v1/responses
https://api.xah.io/v1beta/models/nemotron-3-ultra-free:generateContent
https://api.xah.io/api/chat
https://api.xah.io/api/generate
Method POST · application/json
Auth Bearer token (API key)
Tested load 🟡 Medium peak 11/s · sustained 3.3/s
Latency p95 18,516 ms
API kinds Text

Share

curl 'https://api.xah.io/v1/chat/completions' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "nemotron-3-ultra-free",
    "messages": [
        {
            "role": "user",
            "content": "Hello, who are you?"
        }
    ]
}'
// Node.js / Browser
const res = await fetch('https://api.xah.io/v1/chat/completions', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    "model": "nemotron-3-ultra-free",
    "messages": [
        {
            "role": "user",
            "content": "Hello, who are you?"
        }
    ]
})
});
const data = await res.json();
console.log(data);
import requests

url = 'https://api.xah.io/v1/chat/completions'
headers = {
    'Authorization': 'Bearer YOUR_API_KEY',
    'Content-Type': 'application/json',
}
payload = {
    "model": "nemotron-3-ultra-free",
    "messages": [
        {
            "role": "user",
            "content": "Hello, who are you?"
        }
    ]
}

res = requests.post(url, headers=headers, json=payload, timeout=120)
print(res.status_code, res.json())
{
    "model": "nemotron-3-ultra-free",
    "messages": [
        {
            "role": "user",
            "content": "Hello, who are you?"
        }
    ]
}

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