OpenAI compatible API · Attested · Public status

Qwen2.5 72B Instruct vs Z.ai: GLM 5.1

Compare Qwen2.5 72B Instruct 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

Qwen2.5 72B Instruct has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.1 has more provider fallback routes, while Z.ai: GLM 5.1 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$0.819/1MQwen2.5 72B Instruct cheapest route

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

not enough dataQwen2.5 72B Instruct measured p50 TTFT

2053 msZ.ai: GLM 5.1 measured p50 TTFT

Qwen2.5 72B InstructZ.ai: GLM 5.1

Model idqwen/qwen-2.5-72b-instructz-ai/glm-5.1

PublisherNovita AIZ.AI

AI IQ — IQ 114#32

Context32,768 tokens204,800 tokens

Provider routes223

Cheapest route$0.819/1M$4.263/1M

Privacy postureprovider posture varieshas confidential-compute route

Modes chat chat

Qwen2.5 72B Instruct routes

Overview2 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.1 routes

Overview23 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/qwen-2.5-72b-instruct",
    messages=messages,
)