GamerPower vs Lichess
Same instrument, two spec sheets — measured, not claimed.
GamerPower vs Lichess: common questions
Which is more reliable, GamerPower or Lichess?
On our scheduled checks, GamerPower leads on measured uptime — GamerPower at 100% versus Lichess at 99.02% 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, GamerPower or Lichess?
GamerPower has the lower median latency in our checks — GamerPower responds in 193 ms versus Lichess at 436 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 GamerPower and Lichess need an API key?
Neither needs a paid key — GamerPower is callable with no signup, and Lichess is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call GamerPower and Lichess from the browser?
Yes — both GamerPower and Lichess 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 GamerPower and Lichess free for commercial use?
GamerPower has unclear commercial terms, and Lichess 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.