Deepgram vs Rev AI

Deepgram

Deepgram is the pick when you are building the pipeline yourself and the per-minute number matters: streaming Nova-3 at under half a cent a minute, published rates for every model and mode, and a $200 credit that does not expire make it easy to size a bill before signing anything. It is an API, not a product — there is no transcription app to hand to a non-developer, and the voice agent tier is priced per connected minute, so idle sessions cost money.

Pros

• +Rates are public down to a fraction of a cent, per model and per mode
• +$200 starting credit with no card and no expiry is enough to benchmark seriously
• +Streaming and batch share one API, and the Voice Agent API saves wiring STT, LLM and TTS together
• +Founded 2015 and Series C funded, with self-hosted deployment on enterprise terms

Cons

• −Streaming rates are marked as limited-time promotional, so the published number may rise
• −Voice Agent minutes are billed on WebSocket connection time, including silence
• −Growth pricing starts at a $4,000 annual prepay, with nothing between pay-as-you-go and that

Rev AI

A straightforward, per-minute speech recognition API from a company with a long record in human transcription, which gives it a clean path from machine drafts to verified transcripts. Developers who need accuracy claims backed by their own audio should run a test on their material, since the benchmark claims are the vendor's. Anyone wanting a consumer transcription app should know Rev's main site now targets legal and investigative teams.

Pros

• +Free starter credits and public per-minute prices
• +Async and streaming endpoints, plus forced alignment
• +57+ languages and add-on insights such as topics and sentiment
• +Human transcription available from the same API

Cons

• −Accuracy and bias claims come from the vendor's own benchmarks
• −Several separate meters (transcription, insights, alignment) make costs harder to forecast
• −Human transcription costs far more per minute than machine transcription

Is Deepgram cheaper than Rev AI?

On published entry prices, Deepgram starts lower — $0.0043/min against $0.005/min for Rev AI. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Deepgram or Rev AI have a free tier?

Both: Deepgram has a free tier, and Rev AI has a free tier.

Which has a public API, Deepgram or Rev AI?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.