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Picovoice (Leopard / Cheetah) Review

Private, on-device STT SDK for apps and edge devices

Among the 43 speech-to-text tools we track, Picovoice (Leopard / Cheetah) has the 38th-widest language coverage.

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Facts verified Jul 20, 2026Try Picovoice (Leopard / Cheetah)

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What we know about Picovoice (Leopard / Cheetah)

This is our verified profile of Picovoice (Leopard / Cheetah), a speech-to-text apis platform - private, on-device STT SDK for apps and edge devices. Every fact about Picovoice (Leopard / Cheetah) below carries the source it came from and the day we checked it.

Picovoice (Leopard / Cheetah) does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current Picovoice (Leopard / Cheetah) quote, it is the fastest way for us to close that gap.

On capabilities, Picovoice (Leopard / Cheetah) covers word-level timestamps, custom vocabulary / keyterm boosting, and self-host / on-prem option, and does not offer websocket streaming api. Each of those is verified against Picovoice (Leopard / Cheetah)'s own docs or dashboard, not marketing copy.

Placed against the 43 speech-to-text tools we track, Picovoice (Leopard / Cheetah)'s strongest showing is the 38th-widest language coverage - a spread worth weighing against your own priorities.

In total we track 13 verified facts for Picovoice (Leopard / Cheetah) today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Picovoice (Leopard / Cheetah) fact sheet below.

Reviewed by vsref Editorialfacts verified Jul 20, 2026Methodology →

Fact sheet

Capabilities
Capabilities facts
WER (vendor-claimed)~9.7 % WERJul 20
Languages supported8Jul 20
Speaker diarization✓ IncludedJul 20
Word-level timestamps✓ YesJul 20
Custom vocabulary / keyterm boosting✓ YesJul 20
Compliance & trust
Compliance & trust facts
Self-host / on-prem option✓ YesJul 20
Build experience
Build experience facts
Official SDKsPython, C, Java, .NET, Node.js, iOS, Android, WebJul 20
Supported audio formats3gp, FLAC, MP3, MP4/m4a, Ogg, WAV, WebMJul 20
Websocket streaming API✗ NoJul 20
Commercial
Commercial facts
Model size (parameters)Leopard ~37 MB, Cheetah ~34 MB model filesJul 20
Hardware to self-hostCPU-capable incl. Raspberry Pi 3+; optional GPUJul 20
Project maintenance statusActive - Cheetah v4.1.0 released 2026-06-24Jul 20
GitHub stars669Jul 20

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