OpenAI compatible API · Attested · Public status

OpenAI: GPT-4.1 vs Z.ai: GLM 4.6

Compare OpenAI: GPT-4.1 and Z.ai: GLM 4.6 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 4.6 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 4.6 has more provider fallback routes, while OpenAI: GPT-4.1 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$10.5/1MOpenAI: GPT-4.1 cheapest route

$2.289/1MZ.ai: GLM 4.6 cheapest route

not enough dataOpenAI: GPT-4.1 measured p50 TTFT

not enough dataZ.ai: GLM 4.6 measured p50 TTFT

OpenAI: GPT-4.1Z.ai: GLM 4.6

Model idopenai/gpt-4.1z-ai/glm-4.6

PublisherOpenAIZ.AI

AI IQ — —

Context1,047,576 tokens204,800 tokens

Provider routes47

Cheapest route$10.5/1M$2.289/1M

Privacy posturehas ZDR routehas ZDR route

Modes chat chat

OpenAI: GPT-4.1 routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 4.6 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://gchircrcif.eu-west-3.awsapprunner.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="openai/gpt-4.1",
    messages=messages,
)