OpenAI compatible API · Attested · Public status
NVIDIA: Nemotron 3 Ultra vs Qwen: Qwen3 Coder Next
Compare NVIDIA: Nemotron 3 Ultra and Qwen: Qwen3 Coder Next 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
Qwen: Qwen3 Coder Next 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
$0.966/1MQwen: Qwen3 Coder Next cheapest route
2713 msNVIDIA: Nemotron 3 Ultra measured p50 TTFT
5978 msQwen: Qwen3 Coder Next measured p50 TTFT
NVIDIA: Nemotron 3 UltraQwen: Qwen3 Coder Next
Model id
nvidia/nemotron-3-ultra-550b-a55bqwen/qwen3-coder-next
PublisherTogetherNovita AI
AI IQ
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Context512,288 tokens262,144 tokens
Provider routes74
Cheapest route$3.15/1M$0.966/1M
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,
)