OpenAI compatible API · Attested · Public status

Qwen: Qwen3.5 397B A17B vs Z.ai: GLM 5.1

Compare Qwen: Qwen3.5 397B A17B and Z.ai: GLM 5.1 by providers, context, price, and TrustedRouter route support.

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

Qwen: Qwen3.5 397B A17B has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.1 has more provider fallback routes, while Qwen: Qwen3.5 397B A17B has the larger context window. Current TrustedRouter probes show Qwen: Qwen3.5 397B A17B with the lower p50 TTFT.

$2.97675/1MQwen: Qwen3.5 397B A17B cheapest route

$4.263/1MZ.ai: GLM 5.1 cheapest route

1338 msQwen: Qwen3.5 397B A17B measured p50 TTFT

1437 msZ.ai: GLM 5.1 measured p50 TTFT

Qwen: Qwen3.5 397B A17BZ.ai: GLM 5.1

Model idqwen/qwen3.5-397b-a17bz-ai/glm-5.1

PublisherDeepInfraZ.AI

AI IQ — IQ 114#32

Context262,144 tokens204,800 tokens

Provider routes1624

Cheapest route$2.97675/1M$4.263/1M

Privacy posturehas confidential-compute routehas confidential-compute route

Modes chat chat

Qwen: Qwen3.5 397B A17B routes

Overview16 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.1 routes

Overview24 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

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,
)