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Cerebras Inference API vs Micro User Service

Same instrument, two spec sheets — measured, not claimed.

APICerebras Inference APIHEALTHY94Micro User ServiceDEAD0
Uptime · 30d
Uptime · 90d100%18.6%
Uptime · 30d100%0.0%
P50 · ms321231
P95 · ms703827
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cerebras Inference API vs Micro User Service: common questions

Which is more reliable, Cerebras Inference API or Micro User Service?

On our scheduled checks, Cerebras Inference API leads on measured uptime — Cerebras Inference API at 100% versus Micro User Service at 18.6% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Cerebras Inference API or Micro User Service?

Micro User Service has the lower median latency in our checks — Cerebras Inference API responds in 321 ms versus Micro User Service at 231 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Cerebras Inference API and Micro User Service need an API key?

Both ask you to authenticate — Cerebras Inference API uses an API key and Micro User Service uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Cerebras Inference API and Micro User Service from the browser?

Only Cerebras Inference API is browser-friendly — it returns CORS headers over HTTPS. Micro User Service needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Cerebras Inference API and Micro User Service free for commercial use?

Cerebras Inference API has unclear commercial terms, and Micro User Service has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.