OpenAI compatible API · Attested · Public status

Google: Gemma 3 27B vs Z.ai: GLM 5.2

Google: Gemma 3 27B vs Z.ai: GLM 5.2: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

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 3 27B has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.2 has more provider fallback routes, while Z.ai: GLM 5.2 has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5.2 with the lower p50 TTFT.

$0.252/1MGoogle: Gemma 3 27B cheapest route

$2.289/1MZ.ai: GLM 5.2 cheapest route

1631 msGoogle: Gemma 3 27B fastest measured p50 TTFT via parasail

1111 msZ.ai: GLM 5.2 fastest measured p50 TTFT via parasail

Google: Gemma 3 27BZ.ai: GLM 5.2

Model idgoogle/gemma-3-27b-itz-ai/glm-5.2

Publisher Google AI Studio Z.AI

AI IQ — IQ 120#16

Context262,144 tokens1,048,576 tokens

Provider routes845

Cheapest route$0.252/1M$2.289/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT1631 ms via parasail1111 ms via parasail

Highest measured throughputnot enough datanot enough data

Recent route uptime range80.00% to 100.00%85.71% to 100.00%

Modes chat chat

Google: Gemma 3 27B routes

Overview8 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.2 routes

Overview45 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

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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,
)

Questions

Which should I use, Google: Gemma 3 27B or Z.ai: GLM 5.2?

Is Google: Gemma 3 27B or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $0.252/1M for Google: Gemma 3 27B and $2.289/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Google: Gemma 3 27B or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is 1631 ms for Google: Gemma 3 27B and 1111 ms for Z.ai: GLM 5.2. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Google: Gemma 3 27B and Z.ai: GLM 5.2 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between google/gemma-3-27b-it and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.