OpenAI compatible API · Attested · Public status

Qwen: Qwen3.5 397B A17B vs Z.ai: GLM 5.2

Qwen: Qwen3.5 397B A17B vs Z.ai: GLM 5.2: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

Verify gateway

Onebase URL to migrate

100sof models and routes

0prompt or output logs. Always.

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 the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.2 has more provider fallback routes, while Z.ai: GLM 5.2 has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5.2 with the lower p50 TTFT.

$2.349485/1MQwen: Qwen3.5 397B A17B cheapest route

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

1499 msQwen: Qwen3.5 397B A17B fastest measured p50 TTFT via digitalocean

1087 msZ.ai: GLM 5.2 fastest measured p50 TTFT via friendli

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.

Qwen: Qwen3.5 397B A17BZ.ai: GLM 5.2

Model idqwen/qwen3.5-397b-a17bz-ai/glm-5.2

Publisher DeepInfra Z.AI

AI IQ — IQ 120#19

Context262,144 tokens1,048,576 tokens

Provider routes1647

Cheapest route$2.349485/1M$2.2999/1M

Privacy posturehas provider E2EE routehas provider E2EE route

Fastest measured p50 TTFT1499 ms via digitalocean1087 ms via friendli

Highest measured throughputnot enough data135 tok/s via telnyx

Recent route uptime range100.00%77.78% to 100.00%

Modes chat chat

Qwen: Qwen3.5 397B A17B routes

Overview16 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.2 routes

Overview47 endpoints
PricingPrompt and completion 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="qwen/qwen3.5-397b-a17b",
    messages=messages,
)

Questions

Which should I use, Qwen: Qwen3.5 397B A17B or Z.ai: GLM 5.2?

Is Qwen: Qwen3.5 397B A17B or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $2.349485/1M for Qwen: Qwen3.5 397B A17B and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Qwen: Qwen3.5 397B A17B or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is 1499 ms for Qwen: Qwen3.5 397B A17B and 1087 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 Qwen: Qwen3.5 397B A17B 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 qwen/qwen3.5-397b-a17b and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.