Speech-to-text, tested on your audio.

Record or upload a clip and watch Pulse Pro, Deepgram Nova-3, and AssemblyAI Universal-2 transcribe it in parallel — with real latency, throughput, WER, and word-level confidence.

How it works

01

Give it audio.

Use your mic, upload a file, or pick one of the sample clips.

02

Every engine runs the same bytes.

Pulse Pro, Deepgram, and AssemblyAI transcribe in parallel.

03

Compare the numbers.

WER, response time, word-level confidence, hallucinations — side by side.

Hold the mic, upload a file, or pick a sample below.
Samples:Verified transcripts · audio discarded after each run
Our engine

Pulse Pro

Model: Pulse Pro · smallest.ai

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Response time · transcription only

Deepgram

Model: Nova-3

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Response time · transcription only

AssemblyAI

Model: Universal-2

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Response time · transcription only