OpenAI compatible API. Attested gateway. Public status.

Z.ai: GLM 5.1 vs Anthropic: Claude Sonnet 4

Compare Z.ai: GLM 5.1 and Anthropic: Claude Sonnet 4 by providers, context, price, and TrustedRouter route support.

Verify gateway

1 URLbase_url migration

100smodels and routes

0prompt 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.

Z.ai: GLM 5.1Anthropic: Claude Sonnet 4

Model idz-ai/glm-5.1anthropic/claude-sonnet-4

PublisherZ.AIAnthropic

Context202,752 tokens1,000,000 tokens

Provider routes122

Modes chat chat messages

Z.ai: GLM 5.1 routes

Overview12 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Anthropic: Claude Sonnet 4 routes

Overview2 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="z-ai/glm-5.1",
    messages=messages,
)