speech-to-text apis

every price converted to the same unit — dollars per hour of audio — plus the two things that change it: whether diarization costs extra, and whether the cheap rate assumes they can train on your recordings.

5 listed · 5 researched by us · featured first, then most upvoted

Gladia

we checked this$0.61/hr

the only vendor here that makes not training on your audio the contractual default, with diarization thrown in free.

#anyone-processing-audio-#interviews#medical-or-legal-recordi

AssemblyAI

we checked this$0.15/hr

cheapest managed batch transcription, quoted in the right unit — with streaming billed by the clock, not the audio.

#high-volume-batch-transc

ElevenLabs Scribe

we checked this$0.22/hr

top of the independent accuracy leaderboard at $0.22 an hour — or nine times that if you pay the wrong way.

#accuracy-critical-transc

OpenAI Whisper API

we checked this$0.18/hr

the only entry whose model you can legally run yourself for free — which makes it the yardstick for everything else here.

#teams-who-want-a-managed#the-ability-to-walk-away

Rev AI

we checked this$0.10/hr

ten cents an hour — the cheapest number in this ranking, attached to the least complete pricing page.

#large-batch-archives-whe#english-is-the-main-lang

this page is deliberately short: a handful of speech-to-text apis we looked at properly, rather than everything that exists. if you build one that belongs here, a free listing takes two minutes and $50 pins it to the top of this page.

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