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Google: Gemini 3.1 Pro Preview vs Qwen: Qwen3.5 397B A17B

Try both on us. Starter credit covers your first requests, then one key routes Gemini 3.1 Pro Preview and Qwen3.5 397B A17B. 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

Google: Gemini 3.1 Pro Preview has the larger context window. Qwen: Qwen3.5 397B A17B has the lower published input-plus-output rate and more Credits provider routes. There is not enough recent probe data to compare speed.

$14.77/1MGoogle: Gemini 3.1 Pro Preview cheapest route

$3.63975/1MQwen: Qwen3.5 397B A17B cheapest route

not enough dataGoogle: Gemini 3.1 Pro Preview fastest measured p50 TTFT

not enough dataQwen: Qwen3.5 397B A17B fastest measured p50 TTFT

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.

Google: Gemini 3.1 Pro PreviewQwen: Qwen3.5 397B A17B

Model idgoogle/gemini-3.1-pro-previewqwen/qwen3.5-397b-a17b

Publisher Google AI Studio Alibaba Cloud Model Studio

AI IQ IQ 122#34 —

Context1,048,576 tokens262,144 tokens

Credits provider routes311

Cheapest route$14.77/1M$3.63975/1M

Cached input$0.211/1M to $0.422/1M$0.047475/1M to $0.58025/1M

Privacy posturehas ZDR routehas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough datanot enough data

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough datanot enough data

Modes chat chat

Google: Gemini 3.1 Pro Preview routes

Overview3 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Qwen: Qwen3.5 397B A17B routes

Overview11 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-azure.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="google/gemini-3.1-pro-preview",
    messages=messages,
)

Questions

Which should I use, Google: Gemini 3.1 Pro Preview or Qwen: Qwen3.5 397B A17B?

Is Google: Gemini 3.1 Pro Preview or Qwen: Qwen3.5 397B A17B cheaper?

The current cheapest TrustedRouter route is $14.77/1M for Google: Gemini 3.1 Pro Preview and $3.63975/1M for Qwen: Qwen3.5 397B A17B. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemini 3.1 Pro Preview or Qwen: Qwen3.5 397B A17B faster?

Current measured p50 time to first token is not enough data for Google: Gemini 3.1 Pro Preview and not enough data for Qwen: Qwen3.5 397B A17B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemini 3.1 Pro Preview and Qwen: Qwen3.5 397B A17B 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-3.1-pro-preview and qwen/qwen3.5-397b-a17b. This makes side-by-side evals possible without maintaining two provider integrations.