OpenAI compatible API · Attested · Public status

Llama 4 Scout Instruct vs NVIDIA: Nemotron 3 Ultra

Llama 4 Scout Instruct vs NVIDIA: Nemotron 3 Ultra: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

Verify gateway

Onebase URL to migrate

100sof models and routes

0prompt or output logs. Always.

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

Monthly evidence

Llama 4 Scout Instruct 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.

$0.422/1MLlama 4 Scout Instruct cheapest route

$2.79575/1MNVIDIA: Nemotron 3 Ultra cheapest route

1690 msLlama 4 Scout Instruct fastest measured p50 TTFT via cloudflare-workers-ai

1108 msNVIDIA: Nemotron 3 Ultra fastest measured p50 TTFT via fireworks

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.

Llama 4 Scout InstructNVIDIA: Nemotron 3 Ultra

Model idmeta-llama/llama-4-scout-17b-16e-instructnvidia/nemotron-3-ultra-550b-a55b

Publisher Cerebras DeepInfra

AI IQ — —

Context131,072 tokens262,144 tokens

Credits provider routes35

Cheapest route$0.422/1M$2.79575/1M

Cached inputNot published$0.1055/1M to $0.1266/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFT1690 ms via cloudflare-workers-ai1108 ms via fireworks

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

Llama 4 Scout Instruct routes

Overview3 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

NVIDIA: Nemotron 3 Ultra routes

Overview5 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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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="meta-llama/llama-4-scout-17b-16e-instruct",
    messages=messages,
)

Questions

Which should I use, Llama 4 Scout Instruct or NVIDIA: Nemotron 3 Ultra?

Is Llama 4 Scout Instruct or NVIDIA: Nemotron 3 Ultra cheaper?

The current cheapest TrustedRouter route is $0.422/1M for Llama 4 Scout Instruct and $2.79575/1M for NVIDIA: Nemotron 3 Ultra. The comparison uses current catalog prices and updates as provider pricing changes.

Is Llama 4 Scout Instruct or NVIDIA: Nemotron 3 Ultra faster?

Current measured p50 time to first token is 1690 ms for Llama 4 Scout Instruct and 1108 ms for NVIDIA: Nemotron 3 Ultra. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Llama 4 Scout Instruct and NVIDIA: Nemotron 3 Ultra with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between meta-llama/llama-4-scout-17b-16e-instruct and nvidia/nemotron-3-ultra-550b-a55b. This makes side-by-side evals possible without maintaining two provider integrations.