OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4.1 Flash vs nvidia/Nemotron-3.5-Lightning-30B-A3B

DeepSeek V4.1 Flash vs nvidia/Nemotron-3.5-Lightning-30B-A3B: 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

DeepSeek: DeepSeek V4.1 Flash has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4.1 Flash has more provider fallback routes, while DeepSeek: DeepSeek V4.1 Flash has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V4.1 Flash with the lower p50 TTFT.

$0.1266/1MDeepSeek: DeepSeek V4.1 Flash cheapest route

$0.26375/1Mnvidia/Nemotron-3.5-Lightning-30B-A3B cheapest route

1489 msDeepSeek: DeepSeek V4.1 Flash fastest measured p50 TTFT via makora

2414 msnvidia/Nemotron-3.5-Lightning-30B-A3B fastest measured p50 TTFT via wandb

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.

DeepSeek: DeepSeek V4.1 Flashnvidia/Nemotron-3.5-Lightning-30B-A3B

Model iddeepseek/deepseek-v4.1-flashnvidia/nemotron-3.5-lightning-30b-a3b

Publisher DeepSeek Crusoe

AI IQ IQ 116#38 —

Context1,048,576 tokens262,144 tokens

Credits provider routes133

Cheapest route$0.1266/1M$0.26375/1M

Cached input$0.01/1M to $0.162998/1M$0.03165/1M to $0.0422/1M

Privacy posturehas provider E2EE routeprovider posture varies

Fastest measured p50 TTFT1489 ms via makora2414 ms via wandb

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

DeepSeek: DeepSeek V4.1 Flash routes

Overview13 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

nvidia/Nemotron-3.5-Lightning-30B-A3B routes

Overview3 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="deepseek/deepseek-v4.1-flash",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V4.1 Flash or nvidia/Nemotron-3.5-Lightning-30B-A3B?

Is DeepSeek: DeepSeek V4.1 Flash or nvidia/Nemotron-3.5-Lightning-30B-A3B cheaper?

The current cheapest TrustedRouter route is $0.1266/1M for DeepSeek: DeepSeek V4.1 Flash and $0.26375/1M for nvidia/Nemotron-3.5-Lightning-30B-A3B. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4.1 Flash or nvidia/Nemotron-3.5-Lightning-30B-A3B faster?

Current measured p50 time to first token is 1489 ms for DeepSeek: DeepSeek V4.1 Flash and 2414 ms for nvidia/Nemotron-3.5-Lightning-30B-A3B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4.1 Flash and nvidia/Nemotron-3.5-Lightning-30B-A3B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between deepseek/deepseek-v4.1-flash and nvidia/nemotron-3.5-lightning-30b-a3b. This makes side-by-side evals possible without maintaining two provider integrations.