NIST SRE Series
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The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.
NIST Speaker Recognition Evaluation — the canonical SV/SD benchmark series.
Best for speaker verification / identification / diarization with NIST gold-standard scoring. Pricing: paid.
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.
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.govWhat people actually do with NIST SRE Series-style transcription
The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.
Features
| Speaker diarization | Yes |
| Word-level timestamps | No |
| Streaming / real-time | No |
| Languages supported | 1 |
| HIPAA eligible | No |
NIST SRE Series vs Whipscribe
| Feature | NIST SRE Series | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | paid | $6–$24 one-time packs (credits never expire) · first 20 minutes free |
| Speaker identification | Yes | Named in the summary, key quotes and chapters |
| Word timestamps | No | Yes |
| Streaming | No | No |
| Languages | 1 | 99 |
| Platforms | LDC | Web, API, MCP |
Alternatives to NIST SRE Series
Frequently asked about NIST SRE Series
How much does NIST SRE Series cost?
NIST SRE Series is a paid product. Pricing changes; verify on the vendor's own page before budgeting.
Does NIST SRE Series work on Mac, Windows and Linux?
NIST SRE Series runs on LDC. It is not listed for other platforms; check the vendor for anything beyond LDC.
How do I install NIST SRE Series?
Download the installer for your platform from https://www.nist.gov/itl/iad/mig/speaker-recognition-evaluations # LDC data. No terminal needed.
How many languages does NIST SRE Series support?
NIST SRE Series lists 1 languages.
Does NIST SRE Series identify different speakers?
Yes — NIST SRE Series has speaker diarization, so a two-person interview comes back with each speaker labelled.
Does NIST SRE Series give word-level timestamps?
No — NIST SRE Series produces segment or sentence timing only, so subtitle cues can land mid-word.
Can NIST SRE Series transcribe live audio?
No — NIST SRE Series works on finished files, not a live stream.
Is NIST SRE Series HIPAA compliant?
NIST SRE Series does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.
What are the limitations of NIST SRE Series?
LDC-distributed evaluation data · paid · 20+ years of editions (SRE'04..SRE'24). Cite: NIST.gov SRE plans per year.
Who is NIST SRE Series best for?
Speaker verification / identification / diarization with NIST gold-standard scoring.
Does NIST SRE Series run offline?
NIST SRE Series runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.
Can I use NIST SRE Series in the browser?
No — NIST SRE Series is a LDC application, not a web app. You install it rather than sign in to it.
What kind of tool is NIST SRE Series?
In this directory NIST SRE Series is filed under benchmark as a open-source tool.
What are the alternatives to NIST SRE Series?
There is a side-by-side page at /tools/nist-sre-alternatives comparing NIST SRE Series with the closest tools in the same category on price, platform and features.
Can I automate NIST SRE Series-style transcription without running it myself?
Yes. If what you want is transcripts rather than the tool itself, Whipscribe does the same job as a hosted API: submit a file or URL, poll a job id, pull the result as txt, json, srt, vtt or docx. $0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. The automation recipes on this site show it wired to Drive folders, Zoom recordings, S3 buckets and no-code platforms.
Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.
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