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AionLabs: Aion 3.5 Mini vs Z.ai: GLM 5.2

Try both on us. Starter credit covers your first requests, then one key routes Aion 3.5 Mini 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

AionLabs: Aion 3.5 Mini has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

$2.2155/1MAionLabs: Aion 3.5 Mini cheapest route

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

1812 msAionLabs: Aion 3.5 Mini fastest measured p50 TTFT via aion-labs

943 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.

AionLabs: Aion 3.5 MiniZ.ai: GLM 5.2

Model idaion-labs/aion-3.5-miniz-ai/glm-5.2

Publisher Aion Labs Z.AI

AI IQ — IQ 118#48

Context262,144 tokens1,048,576 tokens

Credits provider routes132

Cheapest route$2.2155/1M$2.2999/1M

Cached input$0.1899/1M$0.131875/1M to $0.84611/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFT1812 ms via aion-labs943 ms via friendli

Highest measured throughputnot enough data257 tok/s via parasail

Recent route uptime range100.00%50.00% to 100.00%

Modes chat chat

AionLabs: Aion 3.5 Mini 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.

OpenAI clientPython

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="aion-labs/aion-3.5-mini",
    messages=messages,
)

Questions

Which should I use, AionLabs: Aion 3.5 Mini or Z.ai: GLM 5.2?

AionLabs: Aion 3.5 Mini has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

Is AionLabs: Aion 3.5 Mini or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $2.2155/1M for AionLabs: Aion 3.5 Mini and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is AionLabs: Aion 3.5 Mini or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is 1812 ms for AionLabs: Aion 3.5 Mini and 943 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 AionLabs: Aion 3.5 Mini and Z.ai: GLM 5.2 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between aion-labs/aion-3.5-mini and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.