OpenAI compatible API · Attested · Public status

NVIDIA: Nemotron 3 Ultra vs Thinking Machines: Inkling Small

NVIDIA: Nemotron 3 Ultra vs Thinking Machines: Inkling Small: 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

Thinking Machines: Inkling Small has the lower cheapest prompt+completion route on TrustedRouter. NVIDIA: Nemotron 3 Ultra has more provider fallback routes, while Thinking Machines: Inkling Small has the larger context window. Current TrustedRouter probes show NVIDIA: Nemotron 3 Ultra with the lower p50 TTFT.

$2.79575/1MNVIDIA: Nemotron 3 Ultra cheapest route

$1.5825/1MThinking Machines: Inkling Small cheapest route

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

1484 msThinking Machines: Inkling Small fastest measured p50 TTFT via thinkingmachines

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 UltraThinking Machines: Inkling Small

Model idnvidia/nemotron-3-ultra-550b-a55bthinkingmachines/inkling-small

Publisher DeepInfra DeepInfra

AI IQ — IQ 107#71

Context262,144 tokens524,288 tokens

Credits provider routes54

Cheapest route$2.79575/1M$1.5825/1M

Cached input$0.1055/1M to $0.1266/1M$0.0633/1M to $0.1055/1M

Privacy posturehas ZDR routehas ZDR route

Fastest measured p50 TTFT1108 ms via fireworks1484 ms via thinkingmachines

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

NVIDIA: Nemotron 3 Ultra routes

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

Thinking Machines: Inkling Small routes

Overview4 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="nvidia/nemotron-3-ultra-550b-a55b",
    messages=messages,
)

Questions

Which should I use, NVIDIA: Nemotron 3 Ultra or Thinking Machines: Inkling Small?

Is NVIDIA: Nemotron 3 Ultra or Thinking Machines: Inkling Small cheaper?

The current cheapest TrustedRouter route is $2.79575/1M for NVIDIA: Nemotron 3 Ultra and $1.5825/1M for Thinking Machines: Inkling Small. The comparison uses current catalog prices and updates as provider pricing changes.

Is NVIDIA: Nemotron 3 Ultra or Thinking Machines: Inkling Small faster?

Current measured p50 time to first token is 1108 ms for NVIDIA: Nemotron 3 Ultra and 1484 ms for Thinking Machines: Inkling Small. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test NVIDIA: Nemotron 3 Ultra and Thinking Machines: Inkling Small 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-ultra-550b-a55b and thinkingmachines/inkling-small. This makes side-by-side evals possible without maintaining two provider integrations.