NVIDIA: Nemotron 3.5 Lightning vs Qwen: Qwen3.5-9B
Try both on us. Starter credit covers your first requests, then one key routes Nemotron 3.5 Lightning and Qwen3.5-9B. Switch by changing the model name.
Practical read
Monthly evidenceNVIDIA: Nemotron 3.5 Lightning has the lower measured p50 time to first token. Qwen: Qwen3.5-9B has the lower published input-plus-output rate and more Credits provider routes. Their context windows are the same size.
The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.
nvidia/nemotron-3.5-lightningqwen/qwen3.5-9b
NVIDIA: Nemotron 3.5 Lightning routes
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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.
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="nvidia/nemotron-3.5-lightning",
messages=messages,
)Questions
Which should I use, NVIDIA: Nemotron 3.5 Lightning or Qwen: Qwen3.5-9B?
NVIDIA: Nemotron 3.5 Lightning has the lower measured p50 time to first token. Qwen: Qwen3.5-9B has the lower published input-plus-output rate and more Credits provider routes. Their context windows are the same size.
Is NVIDIA: Nemotron 3.5 Lightning or Qwen: Qwen3.5-9B cheaper?
The current cheapest TrustedRouter route is $0.223309/1M for NVIDIA: Nemotron 3.5 Lightning and $0.110775/1M for Qwen: Qwen3.5-9B. The comparison uses current catalog prices and updates as provider pricing changes.
Is NVIDIA: Nemotron 3.5 Lightning or Qwen: Qwen3.5-9B faster?
Current measured p50 time to first token is 841 ms for NVIDIA: Nemotron 3.5 Lightning and 1413 ms for Qwen: Qwen3.5-9B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.
Can I test NVIDIA: Nemotron 3.5 Lightning and Qwen: Qwen3.5-9B with the same API?
Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between nvidia/nemotron-3.5-lightning and qwen/qwen3.5-9b. This makes side-by-side evals possible without maintaining two provider integrations.