OpenSeq2Seq

by NVIDIA

NVIDIA's TF1 framework — historical home of Jasper + QuartzNet.

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Upstream is archived. OpenSeq2Seq’s repository has been set read-only by its owner, so there are no further releases, fixes, or security patches. The last commit landed 2021-05-11. It can still be cloned and run, and forks may be maintained elsewhere. See the repository.

TL;DR

Best for reference Jasper / QuartzNet checkpoints. Pricing: free.

Category
Open source
License
Apache-2.0
Stars
★ 1.6k
Last push
2021-05-11
Pricing
free
Platforms
Linux

What it is

The TF1 codebase that produced Jasper and QuartzNet. Apache-2.0.

Best for: Reference Jasper / QuartzNet checkpoints.
Watch out for: Archived in favor of NeMo.

Install / use

git clone https://github.com/NVIDIA/OpenSeq2Seq

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeNo
Languages supported2
HIPAA eligibleNo

Links

GitHub repo ↗

OpenSeq2Seq vs Whipscribe

FeatureOpenSeq2SeqWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages299
PlatformsLinuxWeb, API, MCP

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