OpenAI compatible API · Attested · Public status

Google: Gemini 3.5 Flash vs MoonshotAI: Kimi K3

Google: Gemini 3.5 Flash vs MoonshotAI: Kimi K3: 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

Google: Gemini 3.5 Flash has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K3 has more provider fallback routes, while Google: Gemini 3.5 Flash has the larger context window. Current TrustedRouter probes show Google: Gemini 3.5 Flash with the lower p50 TTFT.

$11.0775/1MGoogle: Gemini 3.5 Flash cheapest route

$16.1415/1MMoonshotAI: Kimi K3 cheapest route

1633 msGoogle: Gemini 3.5 Flash fastest measured p50 TTFT via google-vertex

1836 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via nebius

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.

Google: Gemini 3.5 FlashMoonshotAI: Kimi K3

Model idgoogle/gemini-3.5-flashmoonshotai/kimi-k3

Publisher Google AI Studio Kimi

AI IQ IQ 124#13 IQ 123#16

Context1,048,576 tokens1,048,576 tokens

Provider routes733

Cheapest route$11.0775/1M$16.1415/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT1633 ms via google-vertex1836 ms via nebius

Highest measured throughputnot enough data66 tok/s via baseten

Recent route uptime range100.00%41.67% to 100.00%

Modes chat chat

Google: Gemini 3.5 Flash routes

Overview7 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

MoonshotAI: Kimi K3 routes

Overview33 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="google/gemini-3.5-flash",
    messages=messages,
)

Questions

Which should I use, Google: Gemini 3.5 Flash or MoonshotAI: Kimi K3?

Is Google: Gemini 3.5 Flash or MoonshotAI: Kimi K3 cheaper?

The current cheapest TrustedRouter route is $11.0775/1M for Google: Gemini 3.5 Flash and $16.1415/1M for MoonshotAI: Kimi K3. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemini 3.5 Flash or MoonshotAI: Kimi K3 faster?

Current measured p50 time to first token is 1633 ms for Google: Gemini 3.5 Flash and 1836 ms for MoonshotAI: Kimi K3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemini 3.5 Flash and MoonshotAI: Kimi K3 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between google/gemini-3.5-flash and moonshotai/kimi-k3. This makes side-by-side evals possible without maintaining two provider integrations.