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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. There is not enough recent probe data to compare speed.

$0.4431/1MDeepSeek V4 Flash 0731 Fast cheapest route

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

not enough dataDeepSeek V4 Flash 0731 Fast fastest measured p50 TTFT

not enough dataGoogle: Gemma 4 31B 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.

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 TTFTnot enough datanot enough data

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough datanot enough data

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-azure.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 not enough data for DeepSeek V4 Flash 0731 Fast and not enough data 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.