OpenAI compatible API · Attested · Public status

MoonshotAI: Kimi K3 vs Nemotron 3 Ultra

MoonshotAI: Kimi K3 vs 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

Nemotron 3 Ultra has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K3 has more provider fallback routes, while MoonshotAI: Kimi K3 has the larger context window. Current TrustedRouter probes show Nemotron 3 Ultra with the lower p50 TTFT.

$12.3435/1MMoonshotAI: Kimi K3 cheapest route

$2.743/1MNemotron 3 Ultra cheapest route

1226 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via together

1178 msNemotron 3 Ultra fastest measured p50 TTFT via digitalocean

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.

MoonshotAI: Kimi K3Nemotron 3 Ultra

Model idmoonshotai/kimi-k3nvidia/nemotron-3-ultra-550b

Publisher Kimi DigitalOcean Gradient AI

AI IQ IQ 123#21 —

Context1,048,576 tokens131,072 tokens

Credits provider routes231

Cheapest route$12.3435/1M$2.743/1M

Cached input$0.205725/1M to $1.7302/1MNot published

Privacy posturehas provider E2EE routeprovider posture varies

Fastest measured p50 TTFT1226 ms via together1178 ms via digitalocean

Highest measured throughput94 tok/s via engynot enough data

Recent route uptime range57.14% to 100.00%100.00%

Modes chat chat

MoonshotAI: Kimi K3 routes

Overview23 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Nemotron 3 Ultra routes

Overview1 Credits routes

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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="moonshotai/kimi-k3",
    messages=messages,
)

Questions

Which should I use, MoonshotAI: Kimi K3 or Nemotron 3 Ultra?

Is MoonshotAI: Kimi K3 or Nemotron 3 Ultra cheaper?

The current cheapest TrustedRouter route is $12.3435/1M for MoonshotAI: Kimi K3 and $2.743/1M for Nemotron 3 Ultra. The comparison uses current catalog prices and updates as provider pricing changes.

Is MoonshotAI: Kimi K3 or Nemotron 3 Ultra faster?

Current measured p50 time to first token is 1226 ms for MoonshotAI: Kimi K3 and 1178 ms for Nemotron 3 Ultra. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test MoonshotAI: Kimi K3 and 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 moonshotai/kimi-k3 and nvidia/nemotron-3-ultra-550b. This makes side-by-side evals possible without maintaining two provider integrations.