OpenAI compatible API · Attested · Public status

NVIDIA: Nemotron 3 Nano 30B A3B vs OpenAI: gpt-oss-120b

NVIDIA: Nemotron 3 Nano 30B A3B vs gpt-oss-120b: 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

OpenAI: gpt-oss-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while NVIDIA: Nemotron 3 Nano 30B A3B has the larger context window. Current TrustedRouter probes show NVIDIA: Nemotron 3 Nano 30B A3B with the lower p50 TTFT.

$0.2625/1MNVIDIA: Nemotron 3 Nano 30B A3B cheapest route

$0.21735/1MOpenAI: gpt-oss-120b cheapest route

631 msNVIDIA: Nemotron 3 Nano 30B A3B fastest measured p50 TTFT via deepinfra

821 msOpenAI: gpt-oss-120b fastest measured p50 TTFT via together

NVIDIA: Nemotron 3 Nano 30B A3BOpenAI: gpt-oss-120b

Model idnvidia/nemotron-3-nano-30b-a3bopenai/gpt-oss-120b

Publisher Crusoe OpenAI

AI IQ — IQ 105#53

Context262,144 tokens131,072 tokens

Provider routes625

Cheapest route$0.2625/1M$0.21735/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFT631 ms via deepinfra821 ms via together

Highest measured throughputnot enough data271 tok/s via cerebras

Recent route uptime range100.00%100.00%

Modes chat chat

NVIDIA: Nemotron 3 Nano 30B A3B routes

Overview6 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

OpenAI: gpt-oss-120b routes

Overview25 endpoints
PricingPrompt and completion 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="nvidia/nemotron-3-nano-30b-a3b",
    messages=messages,
)

Questions

Which should I use, NVIDIA: Nemotron 3 Nano 30B A3B or OpenAI: gpt-oss-120b?

Is NVIDIA: Nemotron 3 Nano 30B A3B or OpenAI: gpt-oss-120b cheaper?

The current cheapest TrustedRouter route is $0.2625/1M for NVIDIA: Nemotron 3 Nano 30B A3B and $0.21735/1M for OpenAI: gpt-oss-120b. The comparison uses current catalog prices and updates as provider pricing changes.

Is NVIDIA: Nemotron 3 Nano 30B A3B or OpenAI: gpt-oss-120b faster?

Current measured p50 time to first token is 631 ms for NVIDIA: Nemotron 3 Nano 30B A3B and 821 ms for OpenAI: gpt-oss-120b. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test NVIDIA: Nemotron 3 Nano 30B A3B and OpenAI: gpt-oss-120b 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-nano-30b-a3b and openai/gpt-oss-120b. This makes side-by-side evals possible without maintaining two provider integrations.