OpenAI compatible API · Attested · Public status

MoonshotAI: Kimi K3 vs Z.ai: GLM 5.3

MoonshotAI: Kimi K3 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

Z.ai: GLM 5.3 has the lower cheapest prompt+completion route on TrustedRouter. MoonshotAI: Kimi K3 has more provider fallback routes, while MoonshotAI: Kimi K3 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$12.66/1MMoonshotAI: Kimi K3 cheapest route

$6.119/1MZ.ai: GLM 5.3 cheapest route

1433 msMoonshotAI: Kimi K3 fastest measured p50 TTFT via venice

not enough dataZ.ai: GLM 5.3 fastest measured p50 TTFT

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.

MoonshotAI: Kimi K3Z.ai: GLM 5.3

Model idmoonshotai/kimi-k3z-ai/glm-5.3

Publisher Kimi Z.AI

AI IQ IQ 123#17 IQ 123#15

Context1,048,576 tokens1,048,576 tokens

Provider routes376

Cheapest route$12.66/1M$6.119/1M

Privacy posturehas provider E2EE routeprovider posture varies

Fastest measured p50 TTFT1433 ms via venicenot enough data

Highest measured throughput71 tok/s via basetennot enough data

Recent route uptime range44.44% to 100.00%not enough data

Modes chat chat

MoonshotAI: Kimi K3 routes

Overview37 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

Z.ai: GLM 5.3 routes

Overview6 endpoints
PricingPrompt and completion 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="moonshotai/kimi-k3",
    messages=messages,
)

Questions

Which should I use, MoonshotAI: Kimi K3 or Z.ai: GLM 5.3?

Is MoonshotAI: Kimi K3 or Z.ai: GLM 5.3 cheaper?

The current cheapest TrustedRouter route is $12.66/1M for MoonshotAI: Kimi K3 and $6.119/1M for Z.ai: GLM 5.3. The comparison uses current catalog prices and updates as provider pricing changes.

Is MoonshotAI: Kimi K3 or Z.ai: GLM 5.3 faster?

Current measured p50 time to first token is 1433 ms for MoonshotAI: Kimi K3 and not enough data for Z.ai: GLM 5.3. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test MoonshotAI: Kimi K3 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 moonshotai/kimi-k3 and z-ai/glm-5.3. This makes side-by-side evals possible without maintaining two provider integrations.