Bring your own key

Decision Models s1-vision (EU) vs DeepSeek: DeepSeek V4 Flash 0731

One key routes both. Starter credit covers your first DeepSeek V4 Flash 0731 requests, while Decision Models s1-vision (EU) runs on your own provider key. 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 has more Credits provider routes and the larger context window. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

$0.0422/1MDecision Models s1-vision (EU) cheapest route

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

not enough dataDecision Models s1-vision (EU) fastest measured p50 TTFT

1079 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via venice

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.

Decision Models s1-vision (EU)DeepSeek: DeepSeek V4 Flash 0731

Model iddecisionmodelsio-eu/s1-visiondeepseek/deepseek-v4-flash-0731

Publisherdecisionmodelsio-eu DeepSeek

AI IQ — —

Context8,192 tokens1,048,576 tokens

Credits provider routes026

Cheapest route$0.0422/1M$0.142425/1M

Cached inputNot published$0.01/1M to $0.118793/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data1079 ms via venice

Highest measured throughputnot enough data268 tok/s via confidential-ai

Recent route uptime rangenot enough data33.33% to 100.00%

Modes decide chat

Decision Models s1-vision (EU) routes

Overview0 Credits routes

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview26 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.

POST /api/alpha/decidecurl

curl https://api.trustedrouter.com/api/alpha/decide \
  -H "Authorization: Bearer sk-tr-v1-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "decisionmodelsio-eu/s1-vision",
    "state": "Customer: I was charged twice for order A-1.",
    "questions": {
      "refund": {"type": "boolean", "instructions": "Is a refund requested?"}
    }
  }'

Decision models: the API, the models, the numbers

Questions

Which should I use, Decision Models s1-vision (EU) or DeepSeek: DeepSeek V4 Flash 0731?

Is Decision Models s1-vision (EU) or DeepSeek: DeepSeek V4 Flash 0731 cheaper?

The current cheapest TrustedRouter route is $0.0422/1M for Decision Models s1-vision (EU) and $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731. The comparison uses current catalog prices and updates as provider pricing changes.

Is Decision Models s1-vision (EU) or DeepSeek: DeepSeek V4 Flash 0731 faster?

Current measured p50 time to first token is not enough data for Decision Models s1-vision (EU) and 1079 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 Decision Models s1-vision (EU) and DeepSeek: DeepSeek V4 Flash 0731 with the same API?

Yes. Both take the same request on POST /api/alpha/decide, with the same TrustedRouter base URL and API key, so a side-by-side eval changes only the model id between decisionmodelsio-eu/s1-vision and deepseek/deepseek-v4-flash-0731. Decision Models s1-vision (EU) does not take chat requests.