Game Brain vs Lichess
Same instrument, two spec sheets — measured, not claimed.
Game Brain vs Lichess: common questions
Which is more reliable, Game Brain or Lichess?
On our scheduled checks, Lichess leads on measured uptime — Game Brain at —% versus Lichess at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Game Brain and Lichess need an API key?
Lichess needs no key, while Game Brain requires a free API key. If you want to start calling without signup, reach for Lichess first.
Can I call Game Brain and Lichess from the browser?
Yes — both Game Brain 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 Game Brain and Lichess free for commercial use?
Game Brain 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.