OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-120b vs Z.ai: GLM 4.7 Flash

Compare OpenAI: gpt-oss-120b 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

OpenAI: gpt-oss-120b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-120b has more provider fallback routes, while Z.ai: GLM 4.7 Flash has the larger context window. Current TrustedRouter probes show Z.ai: GLM 4.7 Flash with the lower p50 TTFT.

$0.21735/1MOpenAI: gpt-oss-120b cheapest route

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

1592 msOpenAI: gpt-oss-120b measured p50 TTFT

810 msZ.ai: GLM 4.7 Flash measured p50 TTFT

OpenAI: gpt-oss-120bZ.ai: GLM 4.7 Flash

Model idopenai/gpt-oss-120bz-ai/glm-4.7-flash

PublisherOpenAIZ.AI

AI IQ IQ 105#52 —

Context131,072 tokens202,752 tokens

Provider routes235

Cheapest route$0.21735/1M$0.483/1M

Privacy posturehas provider E2EE routehas provider E2EE route

Modes chat chat

OpenAI: gpt-oss-120b routes

Overview23 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-oss-120b",
    messages=messages,
)