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Nemotron 3 Ultra 550B

Freevia Pool
nvidia/nemotron-3-ultra-550b-a55b

1M context · Jun 2026 · 9 upstreams

NVIDIA Nemotron-3-Ultra-550B-A55B is a 550B parameter (55B active) frontier model built on a LatentMoE hybrid architecture combining Mamba-2, MoE, and Attention with Multi-Token Prediction. Features a 1M token context window, configurable reasoning mode (enable_thinking), and strong multilingual support across English, French, Spanish, Italian, German, Japanese, Korean, Hindi, Brazilian Portuguese, and Chinese. Best suited for complex agentic workflows, long-context analysis, tool use, and high-stakes RAG.

Bring your own keyAnyRouter has no platform route for Nemotron 3 Ultra 550B. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
1M
input / 1M (list)
$0.50
output / 1M (list)
$2.20
routes
10
speed, 24h
—

Upstreams

10
  1. 1AIHubMixYour key · not addedyour planTPS —TTFT ——
  2. 2OpenRouterYour key · not addedyour planTPS —TTFT ——
  3. 3OpenRouterYour key · not addedyour planTPS —TTFT ——
  4. 4Ollama CloudYour key · not addedyour planTPS —TTFT ——
  5. 5BasetenYour key · not addedyour planTPS —TTFT ——
  6. 6CommandCodeYour key · not addedyour planTPS —TTFT ——
  7. 7Ramp RouterYour key · not addedyour planTPS —TTFT ——
  8. 8Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  9. 9GMICloudYour key · not addedyour planTPS —TTFT ——
  10. 10Nous ResearchYour key · not addedyour planTPS —TTFT ——
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Try it

Send a prompt

Details

Owner
NVIDIA
Kind
Chat
Released
Jun 2026
Context
1M
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "nvidia/nemotron-3-ultra-550b-a55b",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'