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LibreTranslate vs TotalShiftLeft Sandbox

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

APILibreTranslateHEALTHY94TotalShiftLeft SandboxHEALTHY93
Uptime · 30d
Uptime · 90d100%98.9%
Uptime · 30d100%98.3%
P50 · ms417468
P95 · ms14741171
Authnonenone
CORSyesno
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 — open sandbox, auth optional
Rate limitUnpublished (per hosted instance)100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

LibreTranslate vs TotalShiftLeft Sandbox: common questions

Which is more reliable, LibreTranslate or TotalShiftLeft Sandbox?

On our scheduled checks, LibreTranslate leads on measured uptime — LibreTranslate at 100% versus TotalShiftLeft Sandbox at 98.9% 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 TotalShiftLeft Sandbox?

LibreTranslate has the lower median latency in our checks — LibreTranslate responds in 417 ms versus TotalShiftLeft Sandbox at 468 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 TotalShiftLeft Sandbox need an API key?

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

Can I call LibreTranslate and TotalShiftLeft Sandbox from the browser?

Only LibreTranslate is browser-friendly — it returns CORS headers over HTTPS. TotalShiftLeft Sandbox needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are LibreTranslate and TotalShiftLeft Sandbox free for commercial use?

LibreTranslate has unclear commercial terms, and TotalShiftLeft Sandbox 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.