OpenAI compatible API · Attested · Public status

NVIDIA: Nemotron 3 Ultra vs Z.ai: GLM 4.6

Compare NVIDIA: Nemotron 3 Ultra and Z.ai: GLM 4.6 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 4.6 has the lower cheapest prompt+completion route on TrustedRouter. NVIDIA: Nemotron 3 Ultra has more provider fallback routes, while NVIDIA: Nemotron 3 Ultra has the larger context window. Current TrustedRouter probes show Z.ai: GLM 4.6 with the lower p50 TTFT.

$3.15/1MNVIDIA: Nemotron 3 Ultra cheapest route

$2.289/1MZ.ai: GLM 4.6 cheapest route

2713 msNVIDIA: Nemotron 3 Ultra measured p50 TTFT

1177 msZ.ai: GLM 4.6 measured p50 TTFT

NVIDIA: Nemotron 3 UltraZ.ai: GLM 4.6

Model idnvidia/nemotron-3-ultra-550b-a55bz-ai/glm-4.6

PublisherTogetherZ.AI

AI IQ — —

Context512,288 tokens204,800 tokens

Provider routes77

Cheapest route$3.15/1M$2.289/1M

Privacy posturehas ZDR routehas provider E2EE route

Modes chat chat

NVIDIA: Nemotron 3 Ultra routes

Overview7 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 4.6 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="nvidia/nemotron-3-ultra-550b-a55b",
    messages=messages,
)