OpenAI compatible API · Attested · Public status

DeepSeek: R1 0528 vs Z.ai: GLM 4.5 Air

Compare DeepSeek: R1 0528 and Z.ai: GLM 4.5 Air by providers, context, price, and TrustedRouter route support.

Verify gateway

Onebase URL to migrate

100sof models and routes

Noneprompt logs by default

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

Z.ai: GLM 4.5 Air has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: R1 0528 has more provider fallback routes, while DeepSeek: R1 0528 has the larger context window. Current TrustedRouter probes show Z.ai: GLM 4.5 Air with the lower p50 TTFT.

$2.7825/1MDeepSeek: R1 0528 cheapest route

$1.05/1MZ.ai: GLM 4.5 Air cheapest route

4269 msDeepSeek: R1 0528 measured p50 TTFT

2486 msZ.ai: GLM 4.5 Air measured p50 TTFT

DeepSeek: R1 0528Z.ai: GLM 4.5 Air

Model iddeepseek/deepseek-r1-0528z-ai/glm-4.5-air

PublisherDeepSeekZ.AI

AI IQ — —

Context163,840 tokens131,072 tokens

Provider routes54

Cheapest route$2.7825/1M$1.05/1M

Privacy postureprovider posture variesprovider posture varies

Modes chat chat

DeepSeek: R1 0528 routes

Overview5 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 4.5 Air routes

Overview4 endpoints
PricingPrompt and completion rates
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="deepseek/deepseek-r1-0528",
    messages=messages,
)