Bring your own key

Decision Models s1-vision (EU) vs Z.ai: GLM 5.2

One key routes both. Starter credit covers your first GLM 5.2 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

Z.ai: GLM 5.2 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

$2.2999/1MZ.ai: GLM 5.2 cheapest route

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

not enough dataZ.ai: GLM 5.2 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.

Decision Models s1-vision (EU)Z.ai: GLM 5.2

Model iddecisionmodelsio-eu/s1-visionz-ai/glm-5.2

Publisherdecisionmodelsio-eu Z.AI

AI IQ — IQ 118#48

Context8,192 tokens1,048,576 tokens

Credits provider routes032

Cheapest route$0.0422/1M$2.2999/1M

Cached inputNot published$0.131875/1M to $0.84611/1M

Privacy postureprovider posture varieshas 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 decide chat

Decision Models s1-vision (EU) routes

Overview0 Credits routes

Z.ai: GLM 5.2 routes

Overview32 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Related comparisons

Browse every comparison

Z.ai: GLM 5.2 vs Z.ai: GLM 5.365 combined provider routes
Z.ai: GLM 5.2 vs Z.ai: GLM 5.3 Flash64 combined provider routes
MoonshotAI: Kimi K3 vs Z.ai: GLM 5.260 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.258 combined provider routes
DeepSeek: DeepSeek V4.1 Flash vs Z.ai: GLM 5.256 combined provider routes
OpenAI: gpt-oss-120b vs Z.ai: GLM 5.255 combined provider routes
Qwen: Qwen3.8 27B vs Z.ai: GLM 5.251 combined provider routes
MoonshotAI: Kimi K2.6 vs Z.ai: GLM 5.249 combined provider routes

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-azure.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 Z.ai: GLM 5.2?

Is Decision Models s1-vision (EU) or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $0.0422/1M for Decision Models s1-vision (EU) and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Decision Models s1-vision (EU) or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is not enough data for Decision Models s1-vision (EU) and not enough data for Z.ai: GLM 5.2. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Decision Models s1-vision (EU) and Z.ai: GLM 5.2 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 z-ai/glm-5.2. Decision Models s1-vision (EU) does not take chat requests.