OpenAI compatible API · Attested · Public status

Doubao Seed 2.1 Turbo vs Google: Gemma 4 31B

Doubao Seed 2.1 Turbo vs Google: Gemma 4 31B: 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

Google: Gemma 4 31B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 31B has more provider fallback routes, while Doubao Seed 2.1 Turbo has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$2.8485/1MDoubao Seed 2.1 Turbo cheapest route

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

not enough dataDoubao Seed 2.1 Turbo fastest measured p50 TTFT

671 msGoogle: Gemma 4 31B fastest measured p50 TTFT via tinfoil

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.

Doubao Seed 2.1 TurboGoogle: Gemma 4 31B

Model idbytedance/doubao-seed-2.1-turbo-260628google/gemma-4-31b-it

Publisher Atlas Cloud Google AI Studio

AI IQ — IQ 101#75

Context262,144 tokens262,144 tokens

Provider routes129

Cheapest route$2.8485/1M$0.4642/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFTnot enough data671 ms via tinfoil

Highest measured throughputnot enough data169 tok/s via lightning

Recent route uptime range100.00%100.00%

Modes chat chat

Doubao Seed 2.1 Turbo routes

Overview1 endpoints

Google: Gemma 4 31B routes

Overview29 endpoints
PricingPrompt and completion 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="bytedance/doubao-seed-2.1-turbo-260628",
    messages=messages,
)

Questions

Which should I use, Doubao Seed 2.1 Turbo or Google: Gemma 4 31B?

Is Doubao Seed 2.1 Turbo or Google: Gemma 4 31B cheaper?

The current cheapest TrustedRouter route is $2.8485/1M for Doubao Seed 2.1 Turbo and $0.4642/1M for Google: Gemma 4 31B. The comparison uses current catalog prices and updates as provider pricing changes.

Is Doubao Seed 2.1 Turbo or Google: Gemma 4 31B faster?

Current measured p50 time to first token is not enough data for Doubao Seed 2.1 Turbo and 671 ms for Google: Gemma 4 31B. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Doubao Seed 2.1 Turbo 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 bytedance/doubao-seed-2.1-turbo-260628 and google/gemma-4-31b-it. This makes side-by-side evals possible without maintaining two provider integrations.