OpenAI compatible API · Attested · Public status

Google: Gemma 3 27B vs Z.ai: GLM 4.5 Air

Compare Google: Gemma 3 27B and Z.ai: GLM 4.5 Air by providers, context, price, and TrustedRouter route support.

Verify gateway
Onebase URL to migrate
100sof models and routes
Noneprompt 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

Google: Gemma 3 27B has the lower cheapest prompt+completion route on TrustedRouter. Google: Gemma 3 27B has more provider fallback routes, while Google: Gemma 3 27B has the larger context window. Current TrustedRouter probes show Google: Gemma 3 27B with the lower p50 TTFT.

$0.252/1MGoogle: Gemma 3 27B cheapest route
$1.05/1MZ.ai: GLM 4.5 Air cheapest route
2574 msGoogle: Gemma 3 27B measured p50 TTFT
5789 msZ.ai: GLM 4.5 Air measured p50 TTFT
Google: Gemma 3 27BZ.ai: GLM 4.5 Air
Model idgoogle/gemma-3-27b-itz-ai/glm-4.5-air
PublisherGoogle AI StudioZ.AI
AI IQ
Context262,144 tokens131,072 tokens
Provider routes84
Cheapest route$0.252/1M$1.05/1M
Privacy posturehas ZDR routeprovider posture varies
Modes chat chat

Google: Gemma 3 27B routes

Z.ai: GLM 4.5 Air 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://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="google/gemma-3-27b-it",
    messages=messages,
)
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