OpenAI compatible API · Attested · Public status
NVIDIA: Nemotron 3 Ultra vs DeepSeek: R1 0528
Compare NVIDIA: Nemotron 3 Ultra and DeepSeek: R1 0528 by providers, context, price, and TrustedRouter route support.
Onebase URL to migrate
100sof models and routes
Noneprompt logs by default
Compare routesProviders, price, context, and policy posture in one view.
Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.
Same API shapeUse the OpenAI client and set the model you want.
Practical read
DeepSeek: R1 0528 has the lower cheapest prompt+completion route on TrustedRouter. NVIDIA: Nemotron 3 Ultra has more provider fallback routes, while NVIDIA: Nemotron 3 Ultra has the larger context window. Current TrustedRouter probes show NVIDIA: Nemotron 3 Ultra with the lower p50 TTFT.
$3.15/1MNVIDIA: Nemotron 3 Ultra cheapest route
$2.7825/1MDeepSeek: R1 0528 cheapest route
2713 msNVIDIA: Nemotron 3 Ultra measured p50 TTFT
3556 msDeepSeek: R1 0528 measured p50 TTFT
NVIDIA: Nemotron 3 UltraDeepSeek: R1 0528
Model id
nvidia/nemotron-3-ultra-550b-a55bdeepseek/deepseek-r1-0528
PublisherTogetherDeepSeek
AI IQ
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Context512,288 tokens163,840 tokens
Provider routes75
Cheapest route$3.15/1M$2.7825/1M
Privacy posturehas ZDR routeprovider posture varies
Modes
chat
chat
NVIDIA: Nemotron 3 Ultra routes
Production choice
Pick a default model. Keep fallback enabled.
TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.
OpenAI clientPython
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="nvidia/nemotron-3-ultra-550b-a55b",
messages=messages,
)