OpenAI compatible API · Attested · Public status

Z.ai: GLM 5.2 vs NVIDIA: Nemotron 3 Ultra

Compare Z.ai: GLM 5.2 and NVIDIA: Nemotron 3 Ultra 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

Z.ai: GLM 5.2 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.

$2.07942/1MZ.ai: GLM 5.2 cheapest route

$3.15/1MNVIDIA: Nemotron 3 Ultra cheapest route

1832 msZ.ai: GLM 5.2 measured p50 TTFT

3264 msNVIDIA: Nemotron 3 Ultra measured p50 TTFT

Z.ai: GLM 5.2NVIDIA: Nemotron 3 Ultra

Model idz-ai/glm-5.2nvidia/nemotron-3-ultra-550b-a55b

PublisherZ.AITogether

AI IQ IQ 120#16 —

Context1,048,576 tokens512,288 tokens

Provider routes397

Cheapest route$2.07942/1M$3.15/1M

Privacy posturehas provider E2EE routehas ZDR route

Modes chat chat

Z.ai: GLM 5.2 routes

Overview39 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

NVIDIA: Nemotron 3 Ultra routes

Overview7 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://api.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="z-ai/glm-5.2",
    messages=messages,
)