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Data Annotation

Data Labeling Services

Ongoing labeling, review and quality assurance for text, image, audio, video and code data — run by trained reviewers and developers.

Accurate data, continuously.

AI Startups, Data Teams, Computer Vision Teams

Data Labeling Services

Better Models Start With Better Labels.

Quick answer: Codersarts provides a managed labeling team for text, image, audio, video and code data, with multi-pass quality review on every batch. Pricing: Per item, per hour or monthly team, month to month, on any AI platform.

Models are only as good as the data they learn from. Inconsistent labels, unclear guidelines and no quality checks produce models that look fine in testing and fail in production.

Codersarts Data Labeling Services provide a managed labeling team. We write and refine labeling guidelines with you, label your data, review every batch for quality and consistency, and scale up or down as your volume changes. Technical and code data is labeled by developers, not generalists.



4.9/5 client rating · Clients in 50+ countries · Monthly plans · NDA on request · Working-hour overlap with US & Europe


WHAT'S INCLUDED

What's Included in Data Labeling Services?

  • Guideline design — Clear labeling instructions, examples and edge-case rules.

  • Text and document annotation — Classification, entity extraction, sentiment and intent labeling.

  • Image and video annotation — Bounding boxes, polygons, segmentation and classification.

  • Audio annotation — Transcription, speaker labels and audio classification.

  • Code and technical data — Code review labels, bug classification and technical Q&A rated by developers.

  • Quality assurance — Multi-pass review, agreement checks and gold-standard testing.

  • Batch reporting — Volume, accuracy, agreement scores and turnaround per batch.


SIGNS YOU NEED IT

Signs You Need Data Labeling Services

  • Your team spends engineering time labeling data by hand.

  • Labels are inconsistent between annotators.

  • Model performance is limited by training data quality.

  • You need labeled code, technical or domain-specific data.

  • Labeling volume changes month to month.


KEY FACTS

Key Facts

Key fact

Details

Service

Data Labeling Services

Price

Per item, per hour or monthly team

Engagement

Pilot batch in 1–2 weeks

Platforms

Label Studio, CVAT, Labelbox, Encord, Roboflow, Prodigy or your own tooling, with export to standard formats

Ideal for

AI Startups, Data Teams, Computer Vision Teams

Contract

Month to month, 30 days' notice

Ownership

You keep your code, prompts, data and accounts



HOW WE WORK

How It Works

  1. Review — we assess your current setup, data, integrations, costs and quality, and set a baseline

  2. Scope and SLA — we agree what's in scope, quality measures, response times, reporting and price

  3. Onboarding — access, monitoring, alerts and documentation set up; we take over day-to-day operation

  4. Monthly — we operate, improve and report against the SLA, with recommendations for next steps


WHAT WE MEASURE

What We Measure Every Month

  • Label accuracy against gold-standard items

  • Inter-annotator agreement

  • Turnaround per batch

  • Rework rate


WHO THIS IS FOR

Is This Right for You?

A strong fit if you are one of these:

  • Startups training their own models.

  • Computer vision teams with ongoing image and video data.

  • Teams fine-tuning LLMs on domain data.

  • Companies that need code or technical data labeled by developers.


PLATFORMS

Platforms We Support

Label Studio, CVAT, Labelbox, Encord, Roboflow, Prodigy or your own tooling, with export to standard formats.

See all technologies we work with.


PRICING

Pricing

Priced per item, per hour, or as a monthly dedicated team. We confirm rates after a pilot batch on your data.

Compare all tiers on AI Managed Services Plans, or start with a free 14-day pilot review.


BUILD, FIX OR RUN

Build, Fix or Run: Choose the Right Service

Need it built? Start with one of these:

Need a one-time fix? Use one of these:

Need it run every month? That's Data Labeling Services, part of Codersarts AI Managed Services.


FAQ

Frequently Asked Questions

What data can you label? Text, documents, images, video, audio and code.

How do you ensure label quality? Clear guidelines, multi-pass review, agreement checks and gold-standard test items in every batch.

Can you label code and technical data? Yes. Developers on our team handle code, bug and technical labeling.

Can you work in our labeling tool? Yes. We work in Label Studio, CVAT, Labelbox, Encord, Roboflow or your own tools.

How is it priced? Per item, per hour, or as a monthly dedicated team, confirmed after a pilot batch.


GET STARTED

Tell Us About Your AI System — Get a Plan in 48 Hours

Share a few details about what you're running and a Codersarts AI engineer will review it and send a recommended plan, scope and price.


What happens after you submit

  1. Review — we look at your system and goals

  2. Call — a 30-minute call to confirm scope

  3. Plan — a written plan with SLA and price

  4. Start — onboarding begins within a week


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