OpenAI compatible API. Attested gateway. Public status.

GLM 5.2 vs OpenAI: gpt-oss-120b

Compare GLM 5.2 and OpenAI: gpt-oss-120b by providers, context, price, and TrustedRouter route support.

Verify gateway

1 URLbase_url migration

100smodels and routes

0prompt 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. GLM 5.2 has more provider fallback routes, while GLM 5.2 has the larger context window. Current TrustedRouter probes show OpenAI: gpt-oss-120b with the lower p50 TTFT.

$4.466/1MGLM 5.2 cheapest route

$0.33/1MOpenAI: gpt-oss-120b cheapest route

2832 msGLM 5.2 measured p50 TTFT

2695 msOpenAI: gpt-oss-120b measured p50 TTFT

GLM 5.2OpenAI: gpt-oss-120b

Model idz-ai/glm-5.2openai/gpt-oss-120b

PublisherZ.AIOpenAI

AI IQ IQ 118#15 IQ 95#68

Context1,048,576 tokens131,072 tokens

Provider routes3219

Cheapest route$4.466/1M$0.33/1M

Privacy posturehas provider E2EE routehas provider E2EE route

Modes chat chat

GLM 5.2 routes

Overview32 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

OpenAI: gpt-oss-120b routes

Overview19 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
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="z-ai/glm-5.2",
    messages=messages,
)