OpenAI compatible API · Attested · Public status

OpenAI: gpt-oss-20b vs Z.ai: GLM 4.7 Flash

Compare OpenAI: gpt-oss-20b 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-oss-20b has the lower cheapest prompt+completion route on TrustedRouter. OpenAI: gpt-oss-20b has more provider fallback routes, while Z.ai: GLM 4.7 Flash has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$0.1785/1MOpenAI: gpt-oss-20b cheapest route

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

not enough dataOpenAI: gpt-oss-20b measured p50 TTFT

not enough dataZ.ai: GLM 4.7 Flash measured p50 TTFT

OpenAI: gpt-oss-20bZ.ai: GLM 4.7 Flash

Model idopenai/gpt-oss-20bz-ai/glm-4.7-flash

PublisherOpenAIZ.AI

AI IQ IQ 100#69 —

Context131,072 tokens202,752 tokens

Provider routes146

Cheapest route$0.1785/1M$0.483/1M

Privacy posturehas ZDR routehas ZDR route

Modes chat chat

OpenAI: gpt-oss-20b routes

Overview14 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://gchircrcif.eu-west-3.awsapprunner.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="openai/gpt-oss-20b",
    messages=messages,
)