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Qwen3-Embedding 4B vs Z.ai: GLM 5.3

Try both on us. Starter credit covers your first requests, then one key routes Qwen3-Embedding 4B and GLM 5.3. 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

Qwen3-Embedding 4B has the lower published input-plus-output rate. Z.ai: GLM 5.3 has more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$0.16165/1MQwen3-Embedding 4B cheapest route

$3.458818/1MZ.ai: GLM 5.3 cheapest route

not enough dataQwen3-Embedding 4B fastest measured p50 TTFT

673 msZ.ai: GLM 5.3 fastest measured p50 TTFT via wafer

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.

Qwen3-Embedding 4BZ.ai: GLM 5.3

Model idqwen/qwen3-embedding-4bz-ai/glm-5.3

Publisher Alibaba Cloud Model Studio Z.AI

AI IQ — IQ 124#28

Context32,768 tokens1,048,576 tokens

Credits provider routes133

Cheapest route$0.16165/1M$3.458818/1M

Cached inputNot published$0.1055/1M to $0.84189/1M

Privacy posturehas Confidential route (E2EE + ZDR)has Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data673 ms via wafer

Highest measured throughputnot enough data196 tok/s via thinkingmachines

Recent route uptime rangenot enough data88.89% to 100.00%

Modes embeddings chat

Qwen3-Embedding 4B routes

Overview1 Credits routes

Z.ai: GLM 5.3 routes

Overview33 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.

Questions

Which should I use, Qwen3-Embedding 4B or Z.ai: GLM 5.3?

Is Qwen3-Embedding 4B or Z.ai: GLM 5.3 cheaper?

The current cheapest TrustedRouter route is $0.16165/1M for Qwen3-Embedding 4B and $3.458818/1M for Z.ai: GLM 5.3. The comparison uses current catalog prices and updates as provider pricing changes.

Is Qwen3-Embedding 4B or Z.ai: GLM 5.3 faster?

Current measured p50 time to first token is not enough data for Qwen3-Embedding 4B and 673 ms for Z.ai: GLM 5.3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Qwen3-Embedding 4B and Z.ai: GLM 5.3 with the same API?

Both use the same TrustedRouter base URL and API key. At least one of them is not a chat model, so the request can differ as well as the model id: the API docs list the route for each kind of model.