OpenAI compatible API · Attested · Public status

MoonshotAI: Kimi K2.6 vs NVIDIA: Nemotron 3 Ultra

MoonshotAI: Kimi K2.6 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

NVIDIA: Nemotron 3 Ultra has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K2.6 has more provider fallback routes, while NVIDIA: Nemotron 3 Ultra has the larger context window. Current TrustedRouter probes show MoonshotAI: Kimi K2.6 with the lower p50 TTFT.

$4.158/1MMoonshotAI: Kimi K2.6 cheapest route

$3.15/1MNVIDIA: Nemotron 3 Ultra cheapest route

1394 msMoonshotAI: Kimi K2.6 fastest measured p50 TTFT via atlas-cloud

2888 msNVIDIA: Nemotron 3 Ultra fastest measured p50 TTFT via baseten

MoonshotAI: Kimi K2.6NVIDIA: Nemotron 3 Ultra

Model idmoonshotai/kimi-k2.6nvidia/nemotron-3-ultra-550b-a55b

Publisher Kimi Together

AI IQ IQ 119#19 —

Context262,144 tokens512,288 tokens

Provider routes307

Cheapest route$4.158/1M$3.15/1M

Privacy posturehas confidential-compute routehas ZDR route

Fastest measured p50 TTFT1394 ms via atlas-cloud2888 ms via baseten

Highest measured throughput93 tok/s via baseten140 tok/s via nebius

Recent route uptime range100.00%100.00%

Modes chat chat

MoonshotAI: Kimi K2.6 routes

Overview30 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

NVIDIA: Nemotron 3 Ultra routes

Overview7 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="moonshotai/kimi-k2.6",
    messages=messages,
)

Questions

Which should I use, MoonshotAI: Kimi K2.6 or NVIDIA: Nemotron 3 Ultra?

Is MoonshotAI: Kimi K2.6 or NVIDIA: Nemotron 3 Ultra cheaper?

The current cheapest TrustedRouter route is $4.158/1M for MoonshotAI: Kimi K2.6 and $3.15/1M for NVIDIA: Nemotron 3 Ultra. The comparison uses current catalog prices and updates as provider pricing changes.

Is MoonshotAI: Kimi K2.6 or NVIDIA: Nemotron 3 Ultra faster?

Current measured p50 time to first token is 1394 ms for MoonshotAI: Kimi K2.6 and 2888 ms for NVIDIA: Nemotron 3 Ultra. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test MoonshotAI: Kimi K2.6 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 moonshotai/kimi-k2.6 and nvidia/nemotron-3-ultra-550b-a55b. This makes side-by-side evals possible without maintaining two provider integrations.