OpenAI compatible API · Attested · Public status

OpenAI: GPT-5 Nano vs Z.ai: GLM 4.7 Flash

Compare OpenAI: GPT-5 Nano and Z.ai: GLM 4.7 Flash 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

OpenAI: GPT-5 Nano has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 4.7 Flash has more provider fallback routes, while OpenAI: GPT-5 Nano has the larger context window. Current TrustedRouter probes show Z.ai: GLM 4.7 Flash with the lower p50 TTFT.

$0.4725/1MOpenAI: GPT-5 Nano cheapest route

$0.483/1MZ.ai: GLM 4.7 Flash cheapest route

4117 msOpenAI: GPT-5 Nano measured p50 TTFT

1055 msZ.ai: GLM 4.7 Flash measured p50 TTFT

OpenAI: GPT-5 NanoZ.ai: GLM 4.7 Flash

Model idopenai/gpt-5-nanoz-ai/glm-4.7-flash

PublisherOpenAIZ.AI

AI IQ IQ 96#80 —

Context400,000 tokens202,752 tokens

Provider routes46

Cheapest route$0.4725/1M$0.483/1M

Privacy posturehas ZDR routehas ZDR route

Modes chat chat

OpenAI: GPT-5 Nano routes

Overview4 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 4.7 Flash routes

Overview6 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-5-nano",
    messages=messages,
)