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Sequence

sequence.work·AI & ML

Sequence offers annotation and classification services tailored for data science teams working on machine learning projects. The platform focuses on improving the accuracy, completeness, and uniformity of datasets through human-powered data labelling, annotation, and classification. It is designed to support a range of use cases, from object detection and computer vision to content moderation and text classification.

The service specializes in high-quality image annotation, including both bounding-box and polygon annotation, which can be used for projects such as identifying products on supermarket shelves, enhancing obstacle detection for self-driving cars, or analyzing satellite imagery. Sequence also provides data labelling to help build more robust machine learning algorithms by tagging products, images, or objects, thereby enhancing contextual understanding. In addition, the platform supports data classification, enabling users to categorize data for various applications such as spam detection or sorting support tickets by topic. Sequence accommodates both English and French language-based projects and allows for crowdsourcing human intelligence to augment and enhance datasets.

Sequence's process begins with users submitting project expectations and guidelines. A free trial of 100 tasks is offered to assess the service, after which the project can commence. The platform handles quality control before delivering the final annotated or classified data. Sequence can process data in JSON, JSONL, and CSV formats, and offers flexibility in hosting image files, either through self-hosted URLs or by hosting on Amazon S3 with private URLs. Projects can be run in small batches or as a continuous flow, depending on user needs. Payment is accepted via direct bank transfer in GBP, EUR, or USD, and there are no setup fees, project management fees, fixed-term contracts, or licensing fees. Each client is assigned a dedicated account manager.

Security and privacy are emphasized, with data uploaded to secure servers and tasks distributed to contributors in a contextless environment. Sequence is developing an API, with a beta version available for early testers. The service also offers custom templates for specific use cases and welcomes feedback from its user community to enhance its offerings.

Freemium
WebCloud-managed
S
Sequence preview
Visit sequence.work↗

Overview

8 features

Sequence is an AI & ML product. It focuses on managing and outsourcing high-quality data annotation and classification for machine learning projects. Sequence is a B2B product aimed at data science teams. Sequence follows a freemium model. It runs on the web.

Among its 8 catalogued features are image annotation, bounding-box tool, and polygon annotation.

  • ✓Image annotation
  • ✓Bounding-box tool
  • ✓Polygon annotation
  • ✓Data labelling
  • ✓Data classification
  • ✓Contributor management
  • ✓Free trial
  • ✓Dedicated account manager

Tags

image-annotationdata-labellingclassification-toolbounding-boxpolygon-annotation

Built with & integrations

Framework
nextjs
Hosting
vercel
Runs on
BrowserCloud-managed

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Terms of Service✓ Free tier
Legal
Terms of Service →

Recent events

Latest indexed changes and source events

  1. IndexedJul 10, 12:52 AM

    Sequence Work verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Sequence

What is Sequence?
Sequence focuses on managing and outsourcing high-quality data annotation and classification for machine learning projects. It is catalogued under AI & ML on PulseGate.
Who should use Sequence?
Sequence is a B2B product built for data science teams.
Does Sequence have a free plan?
Yes — there is a free tier, with paid plans for advanced use.
What platforms does Sequence run on?
Sequence runs on the web.
Is Sequence still active?
PulseGate's automated liveness checks currently classify Sequence as active.
What tools are similar to Sequence?
Similar tools tracked by PulseGate include sequifier, dash-seqviz, and Sequor.sequifierdash-seqvizSequor

At a glance

Pricing
Freemium · free tier
Platforms
Web
Languages
English
First seen
Jul 10, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
data science teams
Model
B2B
Solves
Managing and outsourcing high-quality data annotation and classification for machine learning projects.

Developer

Sequencework

Live coverage

Confidence
High · 94
Indexed
Jul 10, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
6d ago
Identity audit (9)
Entity ID
cmre8130y00d5w3aaxnviu3o4
Slug
sequence-work-sequence-work
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 10, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 12, 2026
Canonical URL
https://sequence.work/

Similar apps

Other apps tracked under the same category.

  • sequifier
    pypi.org
  • dash-seqviz
    dash-seqviz.com
  • Sequor
    sequor.dev
  • Trilogy
    trilogydata.dev
  • disseqt-ai-sdk
    disseqt.ai
  • SenseTask
    sensetask.com