Free Dictionary vs RhymeBrain
Same instrument, two spec sheets — measured, not claimed.
Free Dictionary vs RhymeBrain: common questions
Which is more reliable, Free Dictionary or RhymeBrain?
On our scheduled checks, RhymeBrain leads on measured uptime — Free Dictionary at 95.1% versus RhymeBrain 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, Free Dictionary or RhymeBrain?
Free Dictionary has the lower median latency in our checks — Free Dictionary responds in 58 ms versus RhymeBrain at 649 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 Free Dictionary and RhymeBrain need an API key?
Neither needs a paid key — Free Dictionary is callable with no signup, and RhymeBrain is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Free Dictionary and RhymeBrain from the browser?
Yes — both Free Dictionary and RhymeBrain send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Free Dictionary and RhymeBrain free for commercial use?
Free Dictionary has unclear commercial terms, and RhymeBrain 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.