Sofiaplan vs Wikidata
Same instrument, two spec sheets — measured, not claimed.
Sofiaplan vs Wikidata: common questions
Which is more reliable, Sofiaplan or Wikidata?
Both are neck-and-neck — Sofiaplan and Wikidata 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, Sofiaplan or Wikidata?
Wikidata has the lower median latency in our checks — Sofiaplan responds in 1666 ms versus Wikidata at 585 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 Sofiaplan and Wikidata need an API key?
Neither needs a paid key — Sofiaplan is callable with no signup, and Wikidata is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Sofiaplan and Wikidata from the browser?
Neither sends browser-friendly CORS headers reliably, so call Sofiaplan and Wikidata from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Sofiaplan and Wikidata free for commercial use?
Sofiaplan has unclear commercial terms, and Wikidata 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.