OpenAI compatible API. Attested gateway. Public status.

GLM 5.2 vs DeepSeek V4 Pro

Compare GLM 5.2 and DeepSeek V4 Pro by providers, context, price, and TrustedRouter route support.

Verify gateway
1 URLbase_url migration
100smodels and routes
0prompt 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

GLM 5.2 has the lower cheapest prompt+completion route on TrustedRouter. GLM 5.2 has more provider fallback routes, while GLM 5.2 has the larger context window. Current TrustedRouter probes show DeepSeek V4 Pro with the lower p50 TTFT.

$4.466/1MGLM 5.2 cheapest route
$5.775/1MDeepSeek V4 Pro cheapest route
3218 msGLM 5.2 measured p50 TTFT
3109 msDeepSeek V4 Pro measured p50 TTFT
GLM 5.2DeepSeek V4 Pro
Model idz-ai/glm-5.2deepseek-ai/DeepSeek-V4-Pro
PublisherZ.AINebius Token Factory
Context1,048,576 tokens1,048,576 tokens
Provider routes322
Cheapest route$4.466/1M$5.775/1M
Privacy posturehas provider E2EE routehas ZDR route
Modes chat chat

GLM 5.2 routes

DeepSeek V4 Pro routes

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="z-ai/glm-5.2",
    messages=messages,
)

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