LibreTranslate vs Simpsons Character API

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%88.2%
Uptime · 30d100%88.3%
P50 · ms619123
P95 · ms14741886
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (software is AGPL-3.0)Unverified
Free tierFree — /languages is keyless; hosted /translate may require a key or donationFree — limits not published
Rate limitUnpublished (per hosted instance)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

LibreTranslate vs Simpsons Character API: common questions

Which is more reliable, LibreTranslate or Simpsons Character API?

On our scheduled checks, LibreTranslate leads on measured uptime — LibreTranslate at 100% versus Simpsons Character API at 88.2% 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, LibreTranslate or Simpsons Character API?

Simpsons Character API has the lower median latency in our checks — LibreTranslate responds in 619 ms versus Simpsons Character API at 123 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 LibreTranslate and Simpsons Character API need an API key?

Neither needs a paid key — LibreTranslate is callable with no signup, and Simpsons Character API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call LibreTranslate and Simpsons Character API from the browser?

Yes — both LibreTranslate and Simpsons Character API 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 LibreTranslate and Simpsons Character API free for commercial use?

LibreTranslate has unclear commercial terms, and Simpsons Character API 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.