Smallest.ai Pulse Review

Ultra-low-latency multilingual STT for voice agents

Among the 43 speech-to-text tools we track, Smallest.ai Pulse has the 30th-widest language coverage.

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Facts verified Jul 24, 2026Try Smallest.ai Pulse →

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What we know about Smallest.ai Pulse

This is our verified profile of Smallest.ai Pulse, a speech-to-text apis platform - ultra-low-latency multilingual STT for voice agents. Every fact about Smallest.ai Pulse below carries the source it came from and the day we checked it.

Smallest.ai Pulse 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 Smallest.ai Pulse quote, it is the fastest way for us to close that gap.

On capabilities, Smallest.ai Pulse covers language auto-detection, word-level timestamps, sentiment analysis, soc 2 type ii, self-host / on-prem option, and websocket streaming api. Each of those is verified against Smallest.ai Pulse's own docs or dashboard, not marketing copy.

For compliance, with Smallest.ai Pulse: SOC 2 Type II is in place. If you are in a regulated space, confirm the current posture with Smallest.ai Pulse before you commit, since these change plan by plan.

Among the 43 speech-to-text tools in our matrix, Smallest.ai Pulse leads with the 30th-widest language coverage; the fact sheet below has the raw numbers behind that placement.

Smallest.ai Pulse is not standing still: our record logs 1 verified fact change, each dated and sourced further down the page.

In total we track 23 verified facts for Smallest.ai Pulse 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 Smallest.ai Pulse fact sheet below.

Reviewed by vsref Editorialfacts verified Jul 24, 2026Methodology →

Fact sheet

Every row independently verified

Pricing

Pricing facts
Batch price per audio minute	0.005 $/audio-min	Jul 20
Streaming price per audio minute	0.005 $/audio-min	Jul 20
Pricing model	usage	Jul 20
Free tier quota	$10 in free credits	Jul 20
Published volume discounts	Enterprise custom pricing	Jul 20
Concurrency on base plan	20 concurrent (agent plan)	Jul 20
Extra concurrency cost	None on PAYG; custom on Enterprise	Jul 20

Capabilities

Capabilities facts
WER (third-party benchmark)	2.43 % WER	Jul 20
WER (vendor-claimed)	~5.42 % WER	Jul 20
Streaming latency (vendor-claimed)	~64 ms	Jul 20
Languages supported	~38	Jul 20
Language auto-detection	✓ Yes	Jul 20
Speaker diarization	✓ Included	Jul 20
PII redaction	✓ Included	Jul 20
PII redaction add-on price per minute	null	Jul 24
Word-level timestamps	✓ Yes	Jul 20
Sentiment analysis	✓ Yes	Jul 20
Priced audio-intelligence add-ons	Diarization, emotion, gender, sentiment, PII	Jul 20

Compliance & trust

Compliance & trust facts
HIPAA BAA available	◑ Paid add-on	Jul 20
SOC 2 Type II	✓ Yes	Jul 20
Self-host / on-prem option	✓ Yes	Jul 20

Build experience

Build experience facts
Official SDKs	Node, Python	Jul 20
Websocket streaming API	✓ Yes	Jul 20

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Smallest.ai Pulse head-to-head

Smallest.ai Pulse vs Deepgram →won 2 · lost 2 · tied 2

Call CenterswonDeveloperslostDictationtieMedicallostMeetingswonSelf-Hostedtie

What changed recently

Jul 24, 2026Smallest.ai PulsePII redaction add-on price per minute: 0.01 → n/a