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Buddy vs CustomGPT.ai

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

APIBuddyNEW—CustomGPT.aiNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Buddy vs CustomGPT.ai: common questions

Which is more reliable, Buddy or CustomGPT.ai?

On our scheduled checks, CustomGPT.ai leads on measured uptime — Buddy at —% versus CustomGPT.ai 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 Buddy and CustomGPT.ai need an API key?

Both ask you to authenticate — Buddy uses an API key and CustomGPT.ai uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Buddy and CustomGPT.ai from the browser?

Yes — both Buddy and CustomGPT.ai 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 Buddy and CustomGPT.ai free for commercial use?

Buddy has unclear commercial terms, and CustomGPT.ai 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.