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MoonshotAI: Kimi K3.1 Pro vs Qwen: Qwen3.8 27B

Try both on us. Starter credit covers your first requests, then one key routes Kimi K3.1 Pro and Qwen3.8 27B. Switch by changing the model name.

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

MoonshotAI: Kimi K3.1 Pro has the larger context window. Qwen: Qwen3.8 27B has the lower published input-plus-output rate and more Credits provider routes. There is not enough recent probe data to compare speed.

$12.66/1MMoonshotAI: Kimi K3.1 Pro cheapest route

$0.385075/1MQwen: Qwen3.8 27B cheapest route

not enough dataMoonshotAI: Kimi K3.1 Pro fastest measured p50 TTFT

956 msQwen: Qwen3.8 27B fastest measured p50 TTFT via engy

The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. 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 K3.1 ProQwen: Qwen3.8 27B

Model idmoonshotai/kimi-k3.1-proqwen/qwen3.8-27b

Publisher Kimi Alibaba Cloud Model Studio

AI IQ IQ 132#14 IQ 115#57

Context1,048,576 tokens65,536 tokens

Credits provider routes122

Cheapest route$12.66/1M$0.385075/1M

Cached input$0.211/1M$0.01/1M to $0.231045/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data956 ms via engy

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough data100.00%

Modes chat chat

MoonshotAI: Kimi K3.1 Pro routes

Overview1 Credits routes

Qwen: Qwen3.8 27B routes

Overview22 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="moonshotai/kimi-k3.1-pro",
    messages=messages,
)

Questions

Which should I use, MoonshotAI: Kimi K3.1 Pro or Qwen: Qwen3.8 27B?

Is MoonshotAI: Kimi K3.1 Pro or Qwen: Qwen3.8 27B cheaper?

The current cheapest TrustedRouter route is $12.66/1M for MoonshotAI: Kimi K3.1 Pro and $0.385075/1M for Qwen: Qwen3.8 27B. The comparison uses current catalog prices and updates as provider pricing changes.

Is MoonshotAI: Kimi K3.1 Pro or Qwen: Qwen3.8 27B faster?

Current measured p50 time to first token is not enough data for MoonshotAI: Kimi K3.1 Pro and 956 ms for Qwen: Qwen3.8 27B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test MoonshotAI: Kimi K3.1 Pro and Qwen: Qwen3.8 27B 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-k3.1-pro and qwen/qwen3.8-27b. This makes side-by-side evals possible without maintaining two provider integrations.