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Cerebras Inference API vs Datamuse

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

APICerebras Inference APINEW—DatamuseNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cerebras Inference API vs Datamuse: common questions

Which is more reliable, Cerebras Inference API or Datamuse?

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

Do Cerebras Inference API and Datamuse need an API key?

Datamuse needs no key, while Cerebras Inference API requires a free API key. If you want to start calling without signup, reach for Datamuse first.

Can I call Cerebras Inference API and Datamuse from the browser?

Yes — both Cerebras Inference API and Datamuse send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Cerebras Inference API and Datamuse free for commercial use?

Cerebras Inference API has unclear commercial terms, and Datamuse 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.