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Cerebras Inference API vs CheapShark API

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

APICerebras Inference APIHEALTHY94CheapShark APIHEALTHY88
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms321804
P95 · ms7032483
AuthapiKeynone
CORSyesno
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 CheapShark API: common questions

Which is more reliable, Cerebras Inference API or CheapShark API?

On our scheduled checks, Cerebras Inference API leads on measured uptime — Cerebras Inference API at 100% versus CheapShark API at 99.02% 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 CheapShark API?

Cerebras Inference API has the lower median latency in our checks — Cerebras Inference API responds in 321 ms versus CheapShark API at 804 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 CheapShark API need an API key?

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

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

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

Are Cerebras Inference API and CheapShark API free for commercial use?

Cerebras Inference API has unclear commercial terms, and CheapShark API 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.