OpenAI compatible API · Attested · Public status

OpenAI: GPT-4.1 vs Z.ai: GLM 5V Turbo

Compare OpenAI: GPT-4.1 and Z.ai: GLM 5V Turbo 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

Z.ai: GLM 5V Turbo has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5V Turbo has more provider fallback routes, while OpenAI: GPT-4.1 has the larger context window. Current TrustedRouter probes show OpenAI: GPT-4.1 with the lower p50 TTFT.

$10.5/1MOpenAI: GPT-4.1 cheapest route

$5.46/1MZ.ai: GLM 5V Turbo cheapest route

942 msOpenAI: GPT-4.1 measured p50 TTFT

1831 msZ.ai: GLM 5V Turbo measured p50 TTFT

OpenAI: GPT-4.1Z.ai: GLM 5V Turbo

Model idopenai/gpt-4.1z-ai/glm-5v-turbo

PublisherOpenAIZ.AI

AI IQ — —

Context1,047,576 tokens202,752 tokens

Provider routes47

Cheapest route$10.5/1M$5.46/1M

Privacy posturehas ZDR routeprovider posture varies

Modes chat chat

OpenAI: GPT-4.1 routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5V Turbo routes

Overview7 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="openai/gpt-4.1",
    messages=messages,
)