OpenAI compatible API · Attested · Public status

Seed 2.1 Turbo vs DeepSeek: DeepSeek V4 Flash 0731

Seed 2.1 Turbo vs DeepSeek V4 Flash 0731: 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

DeepSeek: DeepSeek V4 Flash 0731 has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0731 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$3.165/1MSeed 2.1 Turbo cheapest route

$0.142425/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

not enough dataSeed 2.1 Turbo fastest measured p50 TTFT

862 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via mancer

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.

Seed 2.1 TurboDeepSeek: DeepSeek V4 Flash 0731

Model idbytedance-seed/seed-2-1-turbodeepseek/deepseek-v4-flash-0731

Publisher OpenRouter DeepSeek

AI IQ — —

Context262,144 tokens1,310,720 tokens

Provider routes137

Cheapest route$3.165/1M$0.142425/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFTnot enough data862 ms via mancer

Highest measured throughputnot enough data121 tok/s via featherless

Recent route uptime rangenot enough data0.00% to 100.00%

Modes chat chat

Seed 2.1 Turbo routes

Overview1 endpoints

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview37 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-seed/seed-2-1-turbo",
    messages=messages,
)

Questions

Which should I use, Seed 2.1 Turbo or DeepSeek: DeepSeek V4 Flash 0731?

Is Seed 2.1 Turbo or DeepSeek: DeepSeek V4 Flash 0731 cheaper?

The current cheapest TrustedRouter route is $3.165/1M for Seed 2.1 Turbo and $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731. The comparison uses current catalog prices and updates as provider pricing changes.

Is Seed 2.1 Turbo or DeepSeek: DeepSeek V4 Flash 0731 faster?

Current measured p50 time to first token is not enough data for Seed 2.1 Turbo and 862 ms for DeepSeek: DeepSeek V4 Flash 0731. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Seed 2.1 Turbo and DeepSeek: DeepSeek V4 Flash 0731 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between bytedance-seed/seed-2-1-turbo and deepseek/deepseek-v4-flash-0731. This makes side-by-side evals possible without maintaining two provider integrations.