OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V3.2 vs Z.ai: GLM 5.3

DeepSeek V3.2 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

DeepSeek: DeepSeek V3.2 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.3 has more provider fallback routes, while Z.ai: GLM 5.3 has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V3.2 with the lower p50 TTFT.

$0.6752/1MDeepSeek: DeepSeek V3.2 cheapest route

$4.2833/1MZ.ai: GLM 5.3 cheapest route

987 msDeepSeek: DeepSeek V3.2 fastest measured p50 TTFT via friendli

1048 msZ.ai: GLM 5.3 fastest measured p50 TTFT via engy

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.

DeepSeek: DeepSeek V3.2Z.ai: GLM 5.3

Model iddeepseek/deepseek-v3.2z-ai/glm-5.3

Publisher DeepSeek Z.AI

AI IQ IQ 103#73 IQ 123#18

Context163,840 tokens1,048,576 tokens

Credits provider routes1022

Cheapest route$0.6752/1M$4.2833/1M

Cached input$0.079125/1M to $0.754378/1M$0.1266/1M to $1.02546/1M

Privacy posturehas provider E2EE routehas provider E2EE route

Fastest measured p50 TTFT987 ms via friendli1048 ms via engy

Highest measured throughputnot enough datanot enough data

Recent route uptime range0.00% to 100.00%0.00% to 100.00%

Modes chat chat

DeepSeek: DeepSeek V3.2 routes

Overview10 Credits routes
PricingInput, cached input, and output rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Z.ai: GLM 5.3 routes

Overview22 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="deepseek/deepseek-v3.2",
    messages=messages,
)

Questions

Which should I use, DeepSeek: DeepSeek V3.2 or Z.ai: GLM 5.3?

Is DeepSeek: DeepSeek V3.2 or Z.ai: GLM 5.3 cheaper?

The current cheapest TrustedRouter route is $0.6752/1M for DeepSeek: DeepSeek V3.2 and $4.2833/1M for Z.ai: GLM 5.3. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V3.2 or Z.ai: GLM 5.3 faster?

Current measured p50 time to first token is 987 ms for DeepSeek: DeepSeek V3.2 and 1048 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 DeepSeek: DeepSeek V3.2 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 deepseek/deepseek-v3.2 and z-ai/glm-5.3. This makes side-by-side evals possible without maintaining two provider integrations.