NIST SRE Series

by NIST

NIST Speaker Recognition Evaluation — the canonical SV/SD benchmark series.

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TL;DR

Best for speaker verification / identification / diarization with NIST gold-standard scoring. Pricing: paid.

Category
Open source
License
—
Stars
—
Last push
—
Pricing
paid
Platforms
LDC

What it is

NIST SRE is the longest-running speaker-recognition challenge series (2004–2024+). Evaluation data via LDC; tooling free. The reference baseline every SV/SD paper compares against.

Best for: Speaker verification / identification / diarization with NIST gold-standard scoring.
Watch out for: LDC-distributed evaluation data · paid · 20+ years of editions (SRE'04..SRE'24). Cite: NIST.gov SRE plans per year.

Install / use

Go to NIST SRE Series www.nist.gov

Features

Speaker diarizationYes
Word-level timestampsNo
Streaming / real-timeNo
Languages supported1
HIPAA eligibleNo

NIST SRE Series vs Whipscribe

FeatureNIST SRE SeriesWhipscribe
CategoryOpen sourceTranscription APIs
Pricingpaid$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationYesYes
Word timestampsNoYes
StreamingNoNo
Languages199
PlatformsLDCWeb, API, MCP

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