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Cloudflare Clef-Flash vs Z.ai: GLM 5.2

Try both on us. Starter credit covers your first requests, then one key routes Cloudflare Clef-Flash and GLM 5.2. 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

Cloudflare Clef-Flash has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$0.177779/1MCloudflare Clef-Flash cheapest route

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

not enough dataCloudflare Clef-Flash fastest measured p50 TTFT

1010 msZ.ai: GLM 5.2 fastest measured p50 TTFT via inceptron

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.

Cloudflare Clef-FlashZ.ai: GLM 5.2

Model idcloudflare/clef-flashz-ai/glm-5.2

Publishercloudflare Z.AI

AI IQ — IQ 118#48

Context65,536 tokens1,048,576 tokens

Credits provider routes132

Cheapest route$0.177779/1M$2.2999/1M

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

Privacy posturehas ZDR routehas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data1010 ms via inceptron

Highest measured throughputnot enough data257 tok/s via parasail

Recent route uptime rangenot enough data50.00% to 100.00%

Modes decide chat

Cloudflare Clef-Flash routes

Overview1 Credits routes

Z.ai: GLM 5.2 routes

Overview32 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
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": "cloudflare/clef-flash",
    "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, Cloudflare Clef-Flash or Z.ai: GLM 5.2?

Is Cloudflare Clef-Flash or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $0.177779/1M for Cloudflare Clef-Flash and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Cloudflare Clef-Flash or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is not enough data for Cloudflare Clef-Flash and 1010 ms for Z.ai: GLM 5.2. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Cloudflare Clef-Flash 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 cloudflare/clef-flash and z-ai/glm-5.2. Cloudflare Clef-Flash does not take chat requests.