OpenAI compatible API · Attested · Public status
Google: Gemini 2.5 Pro vs Z.ai: GLM 5.1
Compare Google: Gemini 2.5 Pro and Z.ai: GLM 5.1 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
Z.ai: GLM 5.1 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.1 has more provider fallback routes, while Google: Gemini 2.5 Pro has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5.1 with the lower p50 TTFT.
$11.8125/1MGoogle: Gemini 2.5 Pro cheapest route
$4.263/1MZ.ai: GLM 5.1 cheapest route
2438 msGoogle: Gemini 2.5 Pro measured p50 TTFT
1437 msZ.ai: GLM 5.1 measured p50 TTFT
Google: Gemini 2.5 ProZ.ai: GLM 5.1
Model id
google/gemini-2.5-proz-ai/glm-5.1
PublisherGoogle AI StudioZ.AI
Context1,048,576 tokens204,800 tokens
Provider routes624
Cheapest route$11.8125/1M$4.263/1M
Privacy posturehas ZDR routehas confidential-compute route
Modes
chat
chat
Google: Gemini 2.5 Pro routes
- Overview6 endpoints
- PricingPrompt and completion rates
- BenchmarksTrustedRouter and external sources
- ProvidersAll serving providers
Z.ai: GLM 5.1 routes
- Overview24 endpoints
- PricingPrompt and completion rates
- BenchmarksTrustedRouter and external sources
- 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://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="google/gemini-2.5-pro",
messages=messages,
)