OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-120b vs Z.ai: GLM 5 Turbo

Compare OpenAI: gpt-oss-120b and Z.ai: GLM 5 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

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 5 Turbo has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-120b with the lower p50 TTFT.

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

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

1279 msOpenAI: gpt-oss-120b measured p50 TTFT

1905 msZ.ai: GLM 5 Turbo measured p50 TTFT

OpenAI: gpt-oss-120bZ.ai: GLM 5 Turbo

Model idopenai/gpt-oss-120bz-ai/glm-5-turbo

PublisherOpenAIZ.AI

AI IQ IQ 105#52 —

Context131,072 tokens202,752 tokens

Provider routes245

Cheapest route$0.21735/1M$5.46/1M

Privacy posturehas provider E2EE routeprovider posture varies

Modes chat chat

OpenAI: gpt-oss-120b routes

Overview24 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5 Turbo 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,
)