Datamuse vs Quandl
Same instrument, two spec sheets — measured, not claimed.
Datamuse vs Quandl: common questions
Which is more reliable, Datamuse or Quandl?
On our scheduled checks, Quandl leads on measured uptime — Datamuse at 92.2% versus Quandl 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 Quandl?
Datamuse has the lower median latency in our checks — Datamuse responds in 180 ms versus Quandl at 823 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 Quandl need an API key?
Neither needs a paid key — Datamuse is callable with no signup, and Quandl is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Datamuse and Quandl from the browser?
Neither sends browser-friendly CORS headers reliably, so call Datamuse and Quandl 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 Quandl free for commercial use?
Datamuse has unclear commercial terms, and Quandl 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.