Datamuse vs Gladia
Same instrument, two spec sheets — measured, not claimed.
Datamuse vs Gladia: common questions
Which is more reliable, Datamuse or Gladia?
On our scheduled checks, Gladia leads on measured uptime — Datamuse at 92.2% versus Gladia at 100% 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, Datamuse or Gladia?
Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus Gladia at 1203 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 Datamuse and Gladia need an API key?
Datamuse needs no key, while Gladia requires a free API key. If you want to start calling without signup, reach for Datamuse first.
Can I call Datamuse and Gladia from the browser?
Only Gladia is browser-friendly — it returns CORS headers over HTTPS. Datamuse needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Datamuse and Gladia free for commercial use?
Datamuse has unclear commercial terms, and Gladia 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.