Cerebras Inference API vs Shields
Same instrument, two spec sheets — measured, not claimed.
Cerebras Inference API vs Shields: common questions
Which is more reliable, Cerebras Inference API or Shields?
Both are neck-and-neck — Cerebras Inference API and Shields each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Cerebras Inference API or Shields?
Shields has the lower median latency in our checks — Cerebras Inference API responds in 321 ms versus Shields at 30 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 Shields need an API key?
Shields needs no key, while Cerebras Inference API requires a free API key. If you want to start calling without signup, reach for Shields first.
Can I call Cerebras Inference API and Shields from the browser?
Yes — both Cerebras Inference API and Shields 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 Shields free for commercial use?
Cerebras Inference API has unclear commercial terms, and Shields 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.