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GPT-OSS Safeguard 120B vs Z.ai: GLM 5.2

Try both on us. Starter credit covers your first requests, then one key routes GPT-OSS Safeguard 120B and GLM 5.2. Switch by changing the model name.

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

GPT-OSS Safeguard 120B has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

$0.79125/1MGPT-OSS Safeguard 120B cheapest route

$2.2999/1MZ.ai: GLM 5.2 cheapest route

2153 msGPT-OSS Safeguard 120B fastest measured p50 TTFT via tinfoil

1010 msZ.ai: GLM 5.2 fastest measured p50 TTFT via inceptron

The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. 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.

GPT-OSS Safeguard 120BZ.ai: GLM 5.2

Model idopenai/gpt-oss-safeguard-120bz-ai/glm-5.2

Publisher OpenAI Z.AI

AI IQ — IQ 118#48

Context131,072 tokens1,048,576 tokens

Credits provider routes232

Cheapest route$0.79125/1M$2.2999/1M

Cached inputNot published$0.131875/1M to $0.84611/1M

Privacy posturehas Confidential route (E2EE + ZDR)has Confidential route (E2EE + ZDR)

Fastest measured p50 TTFT2153 ms via tinfoil1010 ms via inceptron

Highest measured throughputnot enough data257 tok/s via parasail

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

Modes chat chat

GPT-OSS Safeguard 120B routes

Overview2 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

Z.ai: GLM 5.2 routes

Overview32 Credits routes
PricingInput, cached input, and output 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="openai/gpt-oss-safeguard-120b",
    messages=messages,
)

Questions

Which should I use, GPT-OSS Safeguard 120B or Z.ai: GLM 5.2?

GPT-OSS Safeguard 120B has the lower published input-plus-output rate. Z.ai: GLM 5.2 has more Credits provider routes, the larger context window and the lower measured p50 time to first token.

Is GPT-OSS Safeguard 120B or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $0.79125/1M for GPT-OSS Safeguard 120B and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is GPT-OSS Safeguard 120B or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is 2153 ms for GPT-OSS Safeguard 120B and 1010 ms for Z.ai: GLM 5.2. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test GPT-OSS Safeguard 120B and Z.ai: GLM 5.2 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between openai/gpt-oss-safeguard-120b and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.