Datamuse vs OkSurf
Same instrument, two spec sheets — measured, not claimed.
Datamuse vs OkSurf: common questions
Which is more reliable, Datamuse or OkSurf?
On our scheduled checks, OkSurf leads on measured uptime — Datamuse at 92.2% versus OkSurf 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 OkSurf?
Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus OkSurf at 624 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 OkSurf need an API key?
Neither needs a paid key — Datamuse is callable with no signup, and OkSurf is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Datamuse and OkSurf from the browser?
Neither sends browser-friendly CORS headers reliably, so call Datamuse and OkSurf from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Datamuse and OkSurf free for commercial use?
Datamuse has unclear commercial terms, and OkSurf 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.