Diffio API models

Model cards for audio restoration

Compare speed, fidelity, and pricing, then pick the model id that fits your workflow. You can cross-check rates on the API pricing page or start implementation with the developer quickstart.

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Model cards

Each card includes the model id, best use cases, and the current API rate. For the full API flow, review the API overview.

Diffio 4.5PRO

Diffio 4.5 Pro

Our flagship. Every window is restored three times and only the cleanest result is kept.

  • Three restorations per window, cleanest kept
  • Cleaner backgrounds on noisy and damaged recordings
  • Keeps more of the speaker’s natural voice

Model id diffio-4.5-proLanguage support MultilingualAbout 10× faster than real time

Best forCritical clarity work, difficult recordings, final masters.
Price per second$0.002778
Price per minute$0.17
Estimated per hour$10.00

Billed by processed seconds, invoiced monthly. Minimum billable duration is 60 seconds per generation request.

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Diffio 4.5FLASH

Diffio 4.5 Flash

Fast, high quality speech restoration for everyday work.

  • About 3× faster than Pro
  • High quality restored speech
  • Included on every plan

Model id diffio-4.5-flashLanguage support MultilingualAbout 35× faster than real time

Best forEveryday restoration, quick turnaround, multilingual speech.
Price per second$0.001389
Price per minute$0.083
Estimated per hour$5.00

Billed by processed seconds, invoiced monthly. Minimum billable duration is 60 seconds per generation request.

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Get started

Ship your first restoration quickly

Generate an API key, follow the docs, and run a request in minutes. If pricing is the blocker, go back to API pricing.

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