OpenAI compatible API · Attested · Public status

Claude Opus 4 20250514 Coding vs Z.ai: GLM 5.2

Claude Opus 4 20250514 Coding vs Z.ai: GLM 5.2: 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

Z.ai: GLM 5.2 has the lower cheapest prompt+completion route on TrustedRouter. Z.ai: GLM 5.2 has more provider fallback routes, while Z.ai: GLM 5.2 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$94.95/1MClaude Opus 4 20250514 Coding cheapest route

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

not enough dataClaude Opus 4 20250514 Coding fastest measured p50 TTFT

866 msZ.ai: GLM 5.2 fastest measured p50 TTFT via deepinfra

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.

Claude Opus 4 20250514 CodingZ.ai: GLM 5.2

Model idanthropic/claude-opus-4-20250514-codingz-ai/glm-5.2

Publisher Anthropic Z.AI

AI IQ — IQ 120#20

Context200,000 tokens1,048,576 tokens

Provider routes054

Cheapest route$94.95/1M$2.2999/1M

Privacy postureprovider posture varieshas provider E2EE route

Fastest measured p50 TTFTnot enough data866 ms via deepinfra

Highest measured throughputnot enough data140 tok/s via venice

Recent route uptime rangenot enough data85.71% to 100.00%

Modes chat messages chat

Claude Opus 4 20250514 Coding routes

Overview0 endpoints

Z.ai: GLM 5.2 routes

Overview54 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="anthropic/claude-opus-4-20250514-coding",
    messages=messages,
)

Questions

Which should I use, Claude Opus 4 20250514 Coding or Z.ai: GLM 5.2?

Is Claude Opus 4 20250514 Coding or Z.ai: GLM 5.2 cheaper?

The current cheapest TrustedRouter route is $94.95/1M for Claude Opus 4 20250514 Coding and $2.2999/1M for Z.ai: GLM 5.2. The comparison uses current catalog prices and updates as provider pricing changes.

Is Claude Opus 4 20250514 Coding or Z.ai: GLM 5.2 faster?

Current measured p50 time to first token is not enough data for Claude Opus 4 20250514 Coding and 866 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 Claude Opus 4 20250514 Coding 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 anthropic/claude-opus-4-20250514-coding and z-ai/glm-5.2. This makes side-by-side evals possible without maintaining two provider integrations.