OpenAI compatible API · Attested · Public status

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

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

$4.263/1MZ.ai: GLM 5.1 cheapest route
$2.97675/1MQwen: Qwen3.5 397B A17B cheapest route
3060 msZ.ai: GLM 5.1 measured p50 TTFT
2966 msQwen: Qwen3.5 397B A17B measured p50 TTFT
Z.ai: GLM 5.1Qwen: Qwen3.5 397B A17B
Model idz-ai/glm-5.1qwen/qwen3.5-397b-a17b
PublisherZ.AIDeepInfra
AI IQ IQ 114#32
Context204,800 tokens262,144 tokens
Provider routes2315
Cheapest route$4.263/1M$2.97675/1M
Privacy posturehas provider E2EE routehas provider E2EE route
Modes chat chat

Z.ai: GLM 5.1 routes

Qwen: Qwen3.5 397B A17B routes

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="z-ai/glm-5.1",
    messages=messages,
)
Workspace access

Sign in

Choose a sign in method. New email and OAuth accounts include $0.10 in starter credit; wallet-only accounts start at $0.

By signing in you agree to the terms of service and privacy policy.