OpenAI compatible API · Attested · Public status
OpenAI: GPT-5 Nano vs Z.ai: GLM 5 Turbo
Compare OpenAI: GPT-5 Nano and Z.ai: GLM 5 Turbo by providers, context, price, and TrustedRouter route support.
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-5 Nano has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5 Turbo has more provider fallback routes, while OpenAI: GPT-5 Nano has the larger context window. Probe-backed speed data is shown when enough recent samples exist.
$0.4725/1MOpenAI: GPT-5 Nano cheapest route
$5.46/1MZ.ai: GLM 5 Turbo cheapest route
not enough dataOpenAI: GPT-5 Nano measured p50 TTFT
not enough dataZ.ai: GLM 5 Turbo measured p50 TTFT
OpenAI: GPT-5 NanoZ.ai: GLM 5 Turbo
Model id
openai/gpt-5-nanoz-ai/glm-5-turbo
PublisherOpenAIZ.AI
Context400,000 tokens202,752 tokens
Provider routes45
Cheapest route$0.4725/1M$5.46/1M
Privacy posturehas ZDR routeprovider posture varies
Modes
chat
chat
OpenAI: GPT-5 Nano routes
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-5-nano",
messages=messages,
)