OpenAI compatible API · Attested · Public status

OpenAI: GPT-5.6 Terra vs Z.ai: GLM 4.7 Flash

Compare OpenAI: GPT-5.6 Terra 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

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 4.7 Flash has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: GPT-5.6 Terra has more provider fallback routes, while OpenAI: GPT-5.6 Terra has the larger context window. Current TrustedRouter probes show OpenAI: GPT-5.6 Terra with the lower p50 TTFT.

$18.375/1MOpenAI: GPT-5.6 Terra cheapest route

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

1837 msOpenAI: GPT-5.6 Terra measured p50 TTFT

2223 msZ.ai: GLM 4.7 Flash measured p50 TTFT

OpenAI: GPT-5.6 TerraZ.ai: GLM 4.7 Flash

Model idopenai/gpt-5.6-terraz-ai/glm-4.7-flash

PublisherOpenAIZ.AI

AI IQ IQ 131#4 —

Context1,050,000 tokens202,752 tokens

Provider routes65

Cheapest route$18.375/1M$0.483/1M

Privacy postureprovider posture varieshas provider E2EE route

Modes chat chat

OpenAI: GPT-5.6 Terra routes

Overview6 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 4.7 Flash 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="openai/gpt-5.6-terra",
    messages=messages,
)