OpenAI compatible API · Attested · Public status

Z.ai: GLM 5 vs DeepSeek: R1 0528

Compare Z.ai: GLM 5 and DeepSeek: R1 0528 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

DeepSeek: R1 0528 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5 has more provider fallback routes, while Z.ai: GLM 5 has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5 with the lower p50 TTFT.

$2.814/1MZ.ai: GLM 5 cheapest route

$2.7825/1MDeepSeek: R1 0528 cheapest route

2412 msZ.ai: GLM 5 measured p50 TTFT

3556 msDeepSeek: R1 0528 measured p50 TTFT

Z.ai: GLM 5DeepSeek: R1 0528

Model idz-ai/glm-5deepseek/deepseek-r1-0528

PublisherZ.AIDeepSeek

AI IQ IQ 106#50 —

Context204,800 tokens163,840 tokens

Provider routes185

Cheapest route$2.814/1M$2.7825/1M

Privacy posturehas provider E2EE routeprovider posture varies

Modes chat chat

Z.ai: GLM 5 routes

Overview18 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

DeepSeek: R1 0528 routes

Overview5 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="z-ai/glm-5",
    messages=messages,
)