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OpenAI API vs Replicate

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

APIOpenAI APIDEAD0ReplicateDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitRetry-After: 109sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenAI API vs Replicate: common questions

Which is more reliable, OpenAI API or Replicate?

Both are neck-and-neck — OpenAI API and Replicate each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do OpenAI API and Replicate need an API key?

Both ask you to authenticate — OpenAI API uses an API key and Replicate 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 OpenAI API and Replicate from the browser?

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

Are OpenAI API and Replicate free for commercial use?

OpenAI API has unclear commercial terms, and Replicate 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.