OpenAI compatible API · Attested · Public status

Meta: Llama 4 Maverick vs Z.ai: GLM 5.1

Meta: Llama 4 Maverick vs Z.ai: GLM 5.1: 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

Monthly evidence

Meta: Llama 4 Maverick has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.1 has more provider fallback routes, while Meta: Llama 4 Maverick has the larger context window. Current TrustedRouter probes show Z.ai: GLM 5.1 with the lower p50 TTFT.

$0.94528/1MMeta: Llama 4 Maverick cheapest route

$3.97735/1MZ.ai: GLM 5.1 cheapest route

1716 msMeta: Llama 4 Maverick fastest measured p50 TTFT via databricks

1201 msZ.ai: GLM 5.1 fastest measured p50 TTFT via friendli

Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.

Meta: Llama 4 MaverickZ.ai: GLM 5.1

Model idmeta-llama/llama-4-maverickz-ai/glm-5.1

Publisher Cerebras Z.AI

AI IQ IQ 90#103 IQ 114#38

Context1,048,576 tokens204,800 tokens

Provider routes522

Cheapest route$0.94528/1M$3.97735/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFT1716 ms via databricks1201 ms via friendli

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%50.00% to 100.00%

Modes chat chat

Meta: Llama 4 Maverick routes

Overview5 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.1 routes

Overview22 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="meta-llama/llama-4-maverick",
    messages=messages,
)

Questions

Which should I use, Meta: Llama 4 Maverick or Z.ai: GLM 5.1?

Is Meta: Llama 4 Maverick or Z.ai: GLM 5.1 cheaper?

The current cheapest TrustedRouter route is $0.94528/1M for Meta: Llama 4 Maverick and $3.97735/1M for Z.ai: GLM 5.1. The comparison uses current catalog prices and updates as provider pricing changes.

Is Meta: Llama 4 Maverick or Z.ai: GLM 5.1 faster?

Current measured p50 time to first token is 1716 ms for Meta: Llama 4 Maverick and 1201 ms for Z.ai: GLM 5.1. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Meta: Llama 4 Maverick and Z.ai: GLM 5.1 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between meta-llama/llama-4-maverick and z-ai/glm-5.1. This makes side-by-side evals possible without maintaining two provider integrations.