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ElevenLabs: Eleven Flash V2.5 vs Z.ai: GLM 5.2

Try both on us. Starter credit covers your first requests, then one key routes Eleven Flash V2.5 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

Z.ai: GLM 5.2 has more Credits provider routes. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

selected routeElevenLabs: Eleven Flash V2.5 cheapest route

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

not enough dataElevenLabs: Eleven Flash V2.5 fastest measured p50 TTFT

658 msZ.ai: GLM 5.2 fastest measured p50 TTFT via friendli

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.

ElevenLabs: Eleven Flash V2.5Z.ai: GLM 5.2

Model idelevenlabs/eleven-flash-v2.5z-ai/glm-5.2

Publisherelevenlabs Z.AI

AI IQ — IQ 118#53

Context0 tokens1,048,576 tokens

Credits provider routes133

Cheapest routeselected route$2.2999/1M

Cached inputNot applicable$0.131875/1M to $0.758545/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough data658 ms via friendli

Highest measured throughputnot enough data238 tok/s via telnyx

Recent route uptime rangenot enough data57.14% to 100.00%

Modes chat

ElevenLabs: Eleven Flash V2.5 routes

Overview1 Credits routes

Z.ai: GLM 5.2 routes

Overview33 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.

Questions

Which should I use, ElevenLabs: Eleven Flash V2.5 or Z.ai: GLM 5.2?

Z.ai: GLM 5.2 has more Credits provider routes. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.

Is ElevenLabs: Eleven Flash V2.5 or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is selected route for ElevenLabs: Eleven Flash V2.5 and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is ElevenLabs: Eleven Flash V2.5 or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is not enough data for ElevenLabs: Eleven Flash V2.5 and 658 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 ElevenLabs: Eleven Flash V2.5 and Z.ai: GLM 5.2 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.