OpenAI compatible API · Attested · Public status

Google: Gemma 4 31B vs Z.ai: GLM 5 Turbo

Compare Google: Gemma 4 31B 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

Google: Gemma 4 31B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 4 31B has more provider fallback routes, while Google: Gemma 4 31B has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$0.5355/1MGoogle: Gemma 4 31B cheapest route

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

not enough dataGoogle: Gemma 4 31B measured p50 TTFT

not enough dataZ.ai: GLM 5 Turbo measured p50 TTFT

Google: Gemma 4 31BZ.ai: GLM 5 Turbo

Model idgoogle/gemma-4-31b-itz-ai/glm-5-turbo

PublisherGoogle AI StudioZ.AI

AI IQ IQ 101#65 —

Context262,144 tokens202,752 tokens

Provider routes235

Cheapest route$0.5355/1M$5.46/1M

Privacy posturehas provider E2EE routeprovider posture varies

Modes chat chat

Google: Gemma 4 31B routes

Overview23 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://gchircrcif.eu-west-3.awsapprunner.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="google/gemma-4-31b-it",
    messages=messages,
)