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DeepSeek V4 Flash 0731 Fast vs Google: Gemma 4 31B

Try both on us. Starter credit covers your first requests, then one key routes DeepSeek V4 Flash 0731 Fast and Gemma 4 31B. 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

DeepSeek V4 Flash 0731 Fast has the lower published input-plus-output rate and the larger context window. Google: Gemma 4 31B has more Credits provider routes and the lower measured p50 time to first token.

$0.4431/1MDeepSeek V4 Flash 0731 Fast cheapest route

$0.45365/1MGoogle: Gemma 4 31B cheapest route

751 msDeepSeek V4 Flash 0731 Fast fastest measured p50 TTFT via wafer

665 msGoogle: Gemma 4 31B fastest measured p50 TTFT via crusoe

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.

DeepSeek V4 Flash 0731 FastGoogle: Gemma 4 31B

Model iddeepseek/deepseek-v4-flash-0731-fastgoogle/gemma-4-31b-it

Publisher DeepSeek Google AI Studio

AI IQ — IQ 101#116

Context1,000,000 tokens262,144 tokens

Credits provider routes216

Cheapest route$0.4431/1M$0.45365/1M

Cached input$0.02954/1M to $0.092313/1M$0.03798/1M to $0.26375/1M

Privacy posturehas ZDR routehas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFT751 ms via wafer665 ms via crusoe

Highest measured throughputnot enough data146 tok/s via crusoe

Recent route uptime range100.00%0.00% to 100.00%

Modes chat chat

DeepSeek V4 Flash 0731 Fast routes

Overview2 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Google: Gemma 4 31B routes

Overview16 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="deepseek/deepseek-v4-flash-0731-fast",
    messages=messages,
)

Questions

Which should I use, DeepSeek V4 Flash 0731 Fast or Google: Gemma 4 31B?

Is DeepSeek V4 Flash 0731 Fast or Google: Gemma 4 31B cheaper?

The current cheapest TrustedRouter route is $0.4431/1M for DeepSeek V4 Flash 0731 Fast and $0.45365/1M for Google: Gemma 4 31B. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek V4 Flash 0731 Fast or Google: Gemma 4 31B faster?

Current measured p50 time to first token is 751 ms for DeepSeek V4 Flash 0731 Fast and 665 ms for Google: Gemma 4 31B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek V4 Flash 0731 Fast and Google: Gemma 4 31B with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between deepseek/deepseek-v4-flash-0731-fast and google/gemma-4-31b-it. This makes side-by-side evals possible without maintaining two provider integrations.