Datamuse vs Umeå Open Data
Same instrument, two spec sheets — measured, not claimed.
Datamuse vs Umeå Open Data: common questions
Which is more reliable, Datamuse or Umeå Open Data?
On our scheduled checks, Datamuse leads on measured uptime — Datamuse at 92.2% versus Umeå Open Data at 89.2% 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 Umeå Open Data?
Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus Umeå Open Data at 1445 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 Umeå Open Data need an API key?
Neither needs a paid key — Datamuse is callable with no signup, and Umeå Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Datamuse and Umeå Open Data from the browser?
Only Umeå Open Data 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 Umeå Open Data free for commercial use?
Datamuse has unclear commercial terms, and Umeå Open Data 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.