OpenAI compatible API · Attested · Public status

Google: Gemma 4 31B vs Qwen: Qwen3.5-9B

Google: Gemma 4 31B vs Qwen: Qwen3.5-9B: 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

Qwen: Qwen3.5-9B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 31B has more provider fallback routes, while Google: Gemma 4 31B has the larger context window. Current TrustedRouter probes show Google: Gemma 4 31B with the lower p50 TTFT.

$0.4642/1MGoogle: Gemma 4 31B cheapest route

$0.26375/1MQwen: Qwen3.5-9B cheapest route

1448 msGoogle: Gemma 4 31B fastest measured p50 TTFT via parasail

2597 msQwen: Qwen3.5-9B fastest measured p50 TTFT via together

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: Gemma 4 31BQwen: Qwen3.5-9B

Model idgoogle/gemma-4-31b-itqwen/qwen3.5-9b

Publisher Google AI Studio DeepInfra

AI IQ IQ 101#83 IQ 90#117

Context262,144 tokens262,144 tokens

Credits provider routes114

Cheapest route$0.4642/1M$0.26375/1M

Cached input$0.03798/1M to $0.1477/1MNot published

Privacy posturehas provider E2EE routehas ZDR route

Fastest measured p50 TTFT1448 ms via parasail2597 ms via together

Highest measured throughput123 tok/s via wandbnot enough data

Recent route uptime range100.00%100.00%

Modes chat chat

Google: Gemma 4 31B routes

Overview11 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Qwen: Qwen3.5-9B routes

Overview4 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="google/gemma-4-31b-it",
    messages=messages,
)

Questions

Which should I use, Google: Gemma 4 31B or Qwen: Qwen3.5-9B?

Is Google: Gemma 4 31B or Qwen: Qwen3.5-9B cheaper?

The current cheapest TrustedRouter route is $0.4642/1M for Google: Gemma 4 31B and $0.26375/1M for Qwen: Qwen3.5-9B. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemma 4 31B or Qwen: Qwen3.5-9B faster?

Current measured p50 time to first token is 1448 ms for Google: Gemma 4 31B and 2597 ms for Qwen: Qwen3.5-9B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemma 4 31B and Qwen: Qwen3.5-9B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between google/gemma-4-31b-it and qwen/qwen3.5-9b. This makes side-by-side evals possible without maintaining two provider integrations.