OpenAI compatible API · Attested · Public status

ByteDance: UI-TARS 7B vs Z.ai: GLM 5.3

ByteDance: UI-TARS 7B vs Z.ai: GLM 5.3: 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

ByteDance: UI-TARS 7B has the lower published input-plus-output rate. Z.ai: GLM 5.3 has more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$0.3165/1MByteDance: UI-TARS 7B cheapest route

$3.935889/1MZ.ai: GLM 5.3 cheapest route

not enough dataByteDance: UI-TARS 7B fastest measured p50 TTFT

1083 msZ.ai: GLM 5.3 fastest measured p50 TTFT via friendli

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.

ByteDance: UI-TARS 7B Z.ai: GLM 5.3

Model idbytedance/ui-tars-1.5-7bz-ai/glm-5.3

Publisher Parasail Z.AI

AI IQ — IQ 123#17

Context128,000 tokens1,048,576 tokens

Credits provider routes126

Cheapest route$0.3165/1M$3.935889/1M

Cached input$0.1055/1M$0.1477/1M to $1.02546/1M

Privacy posturehas ZDR routehas provider E2EE route

Fastest measured p50 TTFTnot enough data1083 ms via friendli

Highest measured throughputnot enough datanot enough data

Recent route uptime range100.00%20.00% to 100.00%

Modes chat chat

ByteDance: UI-TARS 7B routes

Overview1 Credits routes

Z.ai: GLM 5.3 routes

Overview26 Credits routes
PricingInput, cached input, and output rates
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="bytedance/ui-tars-1.5-7b",
    messages=messages,
)

Questions

Which should I use, ByteDance: UI-TARS 7B or Z.ai: GLM 5.3?

Is ByteDance: UI-TARS 7B or Z.ai: GLM 5.3 cheaper?

The current cheapest TrustedRouter route is $0.3165/1M for ByteDance: UI-TARS 7B and $3.935889/1M for Z.ai: GLM 5.3. The comparison uses current catalog prices and updates as provider pricing changes.

Is ByteDance: UI-TARS 7B or Z.ai: GLM 5.3 faster?

Current measured p50 time to first token is not enough data for ByteDance: UI-TARS 7B and 1083 ms for Z.ai: GLM 5.3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test ByteDance: UI-TARS 7B and Z.ai: GLM 5.3 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between bytedance/ui-tars-1.5-7b and z-ai/glm-5.3. This makes side-by-side evals possible without maintaining two provider integrations.