OpenAI compatible API · Attested · Public status
NVIDIA: Nemotron 3 Ultra vs Meta: Llama 4 Maverick
Compare NVIDIA: Nemotron 3 Ultra and Meta: Llama 4 Maverick 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
Meta: Llama 4 Maverick has the lower cheapest prompt+completion route on TrustedRouter. NVIDIA: Nemotron 3 Ultra has more provider fallback routes, while Meta: Llama 4 Maverick has the larger context window. Current TrustedRouter probes show Meta: Llama 4 Maverick with the lower p50 TTFT.
$3.15/1MNVIDIA: Nemotron 3 Ultra cheapest route
$1.176/1MMeta: Llama 4 Maverick cheapest route
2713 msNVIDIA: Nemotron 3 Ultra measured p50 TTFT
1835 msMeta: Llama 4 Maverick measured p50 TTFT
NVIDIA: Nemotron 3 UltraMeta: Llama 4 Maverick
Model id
nvidia/nemotron-3-ultra-550b-a55bmeta-llama/llama-4-maverick
PublisherTogetherCerebras
Context512,288 tokens1,048,576 tokens
Provider routes74
Cheapest route$3.15/1M$1.176/1M
Privacy posturehas ZDR routehas ZDR route
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,
)