Deploy an ML Data Labeling Specialist team
that ships audit-ready labels at scale

Abaka pairs vertically specialized annotators with Abaka Forge workflows so your team reaches 99% accuracy faster, without QA bottlenecks or compliance surprises.

When labeling is treated as “easy ops,” quality quietly degrades: ambiguous guidelines, rushed throughput, and thin QA multiply errors across every training run. A 5% label-noise increase can cascade into weeks of wasted tuning and reruns, while PMs and ML engineers get pulled into dispute resolution instead of feature work. Teams also hit volume ceilings fast—one reviewer can only check so much per day—so backlogs grow, releases slip, and the model’s failure modes remain under-specified. Meanwhile, weak access controls and unclear IP provenance create avoidable security and contractual risk.

Abaka operates as your ML Data Labeling Specialist function—end-to-end—from task design and gold sets to multi-layer QA and final delivery. You get vertically specialized annotators across 50+ countries, scholar-network reviewers for high-stakes domains, and consistent throughput caps (500 files/day per annotator) to protect quality. Using Abaka Forge, we standardize instructions, automate parts of routine checks, and provide clean exports your pipeline can consume immediately. The result is faster iteration with fewer relabel cycles, stronger compliance posture (SOC 2, ISO 27001, GDPR, CCPA), and data that stays exclusively yours.

The ML Data Labeling Specialist Bottleneck

01

Quality Decay

Label quality drops when guidance is vague and QA is inconsistent. Even small disagreement rates—like 3–7% per batch—create hidden label noise that shows up as unstable metrics, brittle edge-case behavior, and “mystery regressions.” Teams often discover the problem after a full training cycle, losing 1–2 weeks per rerun. Abaka prevents this with gold sets, calibrated rubrics, scholar-grade reviewers for complex tasks (math, medicine, law), and multi-layer QA gates in Abaka Forge—so accuracy targets like 99% are achievable and repeatable.

02

Volume Walls

Scaling labeling isn’t linear. Internal teams hit throughput limits, especially when reviewers are also building models. With a practical cap of about 500 files/day per annotator, even “small” projects quickly require dozens of trained specialists to meet deadlines. If the labeling pool isn’t elastic, you either delay launches by 2–4 weeks or accept lower QA coverage. Abaka provides 1M+ vertically specialized annotators and structured staffing plans that expand and contract with your roadmap, while keeping guidelines and adjudication consistent across every batch.

03

Compliance Friction

Security reviews, NDAs, vendor onboarding, and data-handling requirements can stall labeling programs for weeks—especially when you need segregated pipelines, role-based access, and auditable change logs. Without strong governance, teams risk accidental data exposure and unclear IP provenance. Abaka is built for enterprise compliance (SOC 2, ISO 27001, GDPR, CCPA) with strict NDAs and secure, segregated workflows. You also get full IP provenance and 0% copyright risk on collected data—so your legal and security teams can sign off with fewer cycles.

01

Task design, rubrics, and gold-set calibration

We convert your model goals into labeling tasks that are unambiguous and measurable—definitions, edge-case policies, and escalation rules included. Abaka creates gold sets, trains annotators against them, and monitors drift through spot checks and adjudication. This works across NER, classification, ranking, and structured extraction, and supports regulated domains using scholar-network reviewers (medicine, law, business). You get fewer “label disputes” and faster convergence because the dataset encodes decisions your team would otherwise debate in meetings.

02

Multi-layer QA with measurable acceptance criteria

Abaka applies layered QA: automated sanity checks in Abaka Forge, peer review, expert adjudication, and sampling plans tied to your target precision/recall. We track disagreement, common error classes, and guideline gaps, then update rubrics without breaking traceability. For high-risk workloads, we enforce throughput safeguards (e.g., 500 files/day per annotator) to prevent speed-driven mistakes. Deliverables include audit trails, issue logs, and versioned guideline snapshots so every label decision is explainable.

03

LLM RLHF: preference, ranking, and instruction following

For RLHF programs, we run preference comparisons, multi-turn conversation grading, and instruction-following checks with calibrated raters. We support reasoning and coding evaluation via domain-specialized talent, including math and code tasks, and we can align to your internal policy framework for refusals and safety. Outputs include pairwise rankings, rationales, and structured rubrics that work for model-as-judge or human evaluation. Pricing can follow per-eval structures (e.g., $8–$15/eval depending on task type).

04

Image and video annotation for production CV

We label bounding boxes, polygons, keypoints, and dense captions for retail, robotics, and automotive workloads. Abaka Forge supports consistent ontology management and QA sampling at scale, while expert adjudication resolves ambiguous cases (occlusions, rare classes, long-tail scenes). We deliver in formats your training stack expects, including COCO and YOLO variants, plus frame-level video formats. When your roadmap shifts, we version ontologies so new classes don’t corrupt historical datasets.

05

3D/4D point cloud labeling with temporal consistency

For point clouds, we handle 3D boxes, instance IDs, tracking across frames, and scene attributes—critical for autonomy and embodied AI. We prioritize temporal consistency to reduce flicker labels that harm downstream trackers. Abaka Forge supports 3D/4D workflows and QA gates designed for sparse data. You get structured exports suitable for training detection, segmentation, and motion forecasting models, with clear guidelines around object definitions, truncation, and sensor artifacts.

06

LiDAR + camera fusion labeling with aligned ontology

Multisensor labeling breaks when teams maintain separate ontologies for image and LiDAR. Abaka builds a unified class map and alignment rules so labels remain consistent across modalities. We support synchronized frame sets, projection-assisted QA, and adjudication of edge cases like reflective surfaces and partial returns. Deliveries include aligned annotations across camera views and point clouds, enabling robust perception training without brittle post-processing. This is especially effective for automotive ADAS and warehouse robotics perception.

07

Collection, cleaning, and dataset readiness checks

If the blocker is input data quality, Abaka can collect and curate real-world data—text, image, video, LiDAR, and IoT—through on-demand capture pods. We pre-filter, timestamp, tag, and curate data so labeling starts with clean inputs, reducing preprocessing time by up to 70%. For sensitive programs, we enforce secure pipelines and full IP provenance. This closes the loop between collection and annotation, eliminating the handoff gaps that typically cause rework.

08

Abaka Forge workflows, automation, and governed delivery

Abaka Forge is our all-in-one platform for collection, cleaning, annotation, and production delivery. It supports text, image, video, 3D/4D point cloud, and RLHF, with large-model automation that can accelerate routine steps up to 50x. You get role-based access, audit logs, and versioned guidelines, plus exports tailored to your training pipeline. Teams can run pilots quickly, then scale without swapping tools, because the workflow stays consistent from proof-of-concept to production.

Why Outsource ML Data Labeling Specialist work

01

Faster Delivery

Your roadmap shouldn’t wait on recruiting and training. Abaka mobilizes calibrated labeling teams quickly, then ramps capacity without breaking QA standards. With consistent workflows and pre-built rubric templates, many programs ship usable batches in 2–3 weeks—so you can iterate on models, not staffing plans.

02

Direct Savings

Outsourcing reduces the hidden cost of rework: reruns, relabels, and engineer time spent adjudicating conflicts. Abaka’s throughput discipline (500 files/day per annotator) and multi-layer QA reduce avoidable relabel cycles and let your ML engineers focus on features and evaluation.

03

Risk Reduction

Labeling often touches sensitive data and customer contracts. Abaka is built for enterprise requirements—SOC 2, ISO 27001, GDPR, and CCPA—with strict NDAs and segregated secure pipelines. You also get clear IP provenance: your data stays exclusively yours and is never repurposed.

04

Elastic Scalability

Needs change: a new class, a new region, or a sudden push for more data. Abaka’s 1M+ specialized annotators across 50+ countries lets you scale up for launches and scale down after, without carrying fixed headcount or losing process continuity.

05

Domain Expertise

Generalist labelers struggle on complex tasks like medical entities, legal reasoning, or math/coding evaluation. Abaka uses scholar-network domains (medicine, law, mathematics, coding, science, business) so edge cases are handled by trained specialists, not guesswork.

06

Innovation Velocity

As your tasks evolve from “labels” to “alignment” and evaluation, Abaka supports RLHF, human evaluation, and safety/bias audits. Abaka Forge adds automation and governed workflows so you can experiment with new data strategies while keeping delivery stable.

Industries We Serve

Automotive

Support ADAS and autonomy with lane, vehicle, pedestrian, and traffic-signal labeling across video, LiDAR, and fusion. Abaka teams handle ontology versioning, temporal consistency, and QA for edge cases like occlusions and night scenes. Road lane work can be priced per kilometer (e.g., $3/km) with clear acceptance criteria and audit trails.

GenAI / Foundation Models

Build instruction-following, reasoning, and code-capable models using RLHF, preference rankings, and domain-graded tasks. Abaka provides specialized raters and scholar reviewers for math/coding and complex reasoning, plus structured exports for training and evaluation. You get scalable coverage without sacrificing consistency or safety policy alignment.

Embodied AI / Robotics

Train perception and action systems with high-quality labels for objects, affordances, and scene understanding across image, video, and 3D. Abaka supports temporal tracking, consistent instance IDs, and QA designed for warehouse, industrial, and home robotics scenarios. Teams can also pair labeling with custom RL environment design when you need closed-loop agent data.

Healthcare

Label clinical text, medical imaging metadata, and structured extraction tasks with specialist oversight. Abaka’s scholar-network reviewers help interpret terminology and reduce ambiguity in guidelines. Secure, segregated pipelines and NDAs support sensitive workflows, while versioned rubrics keep labels consistent as definitions evolve across projects.

Retail

Improve search, recommendations, and catalog intelligence through product attribute extraction, intent labeling, and visual tagging. Abaka delivers consistent taxonomies across categories and seasons, plus dense captions and image annotations for visual search. QA workflows reduce taxonomy drift and keep training data stable across releases.

Finance

Label documents and conversations for risk signals, classification, and extraction—while maintaining rigorous governance. Abaka supports secure handling, audited processes, and specialist reviewers for business and legal concepts. Outputs can be delivered as structured JSON/CSV for downstream analytics and model training pipelines.

Geospatial

Annotate satellite and aerial imagery for land-use classes, infrastructure features, and change detection. Abaka combines consistent ontologies with QA sampling to avoid class confusion across regions. Deliveries can include masks, polygons, and tiles aligned to your GIS stack, enabling dependable training for mapping and monitoring models.

Security / Defense

Support mission-critical perception and analysis with controlled access, strict NDAs, and segregated workflows. Abaka can label imagery, video, and text for detection and classification while maintaining traceability and audit logs. The process prioritizes consistency and governance so datasets remain reliable under tight review.

Agriculture / Industrial

Label crop conditions, equipment states, and industrial anomaly signals across image, video, and sensor data. Abaka helps standardize class definitions across sites and seasons, reducing retraining churn. With elastic teams and platform workflows, you can expand coverage quickly during peak collection windows without compromising QA.

How It Works

1) Day 0–3 — Scope, samples, and acceptance criteria

We review your dataset samples, target model use case, and failure modes, then define the labeling plan: ontology, edge-case policies, QA thresholds, and delivery formats. You’ll get a concise rubric and a pilot plan that specifies what “done” means (accuracy targets, sampling, adjudication). Security requirements and access controls are finalized up front.

2) Week 1–2 — Pilot run with calibration and gold sets

Abaka runs a pilot batch in Abaka Forge to validate instructions, measure disagreement, and tighten edge-case rules. We create gold sets, train annotators, and establish adjudication loops. Your team reviews a representative sample, and we lock acceptance criteria once the pilot meets quality thresholds.

3) Week 2–3 — Production labeling and multi-layer QA

We scale production while preserving quality: throughput caps, peer review, expert adjudication, and automated checks. Batch deliveries are versioned, and any guideline updates are logged so downstream training remains reproducible. You receive structured exports ready for ingestion into your training pipeline.

4) Ongoing — Ontology updates and change-controlled rework

When your product changes (new classes, new policies, new geographies), we manage controlled updates: versioned ontologies, targeted relabeling, and back-compatibility plans. This prevents silent schema drift and protects longitudinal evaluations. Every change is traceable to a decision log.

5) Weekly — Reporting, error analysis, and optimization

Each week you get operational and quality reporting: throughput, disagreement trends, top error categories, and recommended rubric refinements. We propose automation opportunities in Abaka Forge and identify where specialist reviewers should be added. The goal is fewer relabel cycles and faster model iteration.

Modality & Format Coverage

An ML Data Labeling Specialist program rarely stays in one format. Abaka supports multimodal pipelines—from text and RLHF to video and 3D—using consistent QA, governed workflows, and production-ready exports in Abaka Forge.

ModalityAnnotation TypesToolsOutput Formats
TextNER and entity linking; classification and sentiment; structured extraction; taxonomy and intent labeling; long-form QA gradingAbaka ForgeJSONL; CSV; TSV; Parquet; UTF-8 text with offsets
LLM RLHFPairwise preference ranking; multi-turn conversation scoring; rubric-based grading; safety/refusal policy checks; rationale captureAbaka ForgeJSONL (pairwise); CSV (scores); YAML/JSON rubrics; eval manifests; conversation transcripts
ImageBounding boxes; polygons; keypoints; instance segmentation; dense captioningAbaka ForgeCOCO JSON; YOLO TXT; Pascal VOC XML; masks (PNG); CSV labels
VideoFrame-level boxes and masks; object tracking with IDs; action labeling; temporal segments; scene attributesAbaka ForgeCOCO-VID JSON; per-frame JSON; CSV timelines; MP4 with sidecar labels; manifest + shards
3D/4D Point Cloud3D bounding boxes; instance IDs; semantic segmentation; temporal tracking; scene-level tagsAbaka ForgeJSON annotations; PCD/LAS sidecars; frame manifests; KITTI-style label text (customized); Parquet tables
LiDAR + Camera fusionCross-sensor aligned 3D boxes; projected 2D verification; synchronized frame sets; occlusion attributes; consistency auditsAbaka ForgeSynchronized JSON sidecars; per-sensor manifests; camera-view exports; 3D label tables; QA reports
AudioTranscription; speaker diarization; intent labeling; timestamped segments; pronunciation/quality checksAbaka ForgeText + timestamps (JSON); RTTM; CSV segments; WAV/MP3 manifests; subtitle formats (SRT/VTT)

Success Story

A frontier model lab scaling instruction-following and coding evaluation

The team needed an ML Data Labeling Specialist workflow for mixed tasks—instruction-following grading, coding correctness checks, and long-form reasoning evaluation—without flooding their core researchers with QA disputes. Early batches showed inconsistent rubrics across raters, and the dataset lacked traceability for guideline changes. They also needed controlled access and clear data ownership terms to satisfy internal security review. The program required rapid scaling for new experiments, then the ability to pause and restart without retraining an entirely new workforce.

Abaka designed calibrated rubrics, created gold sets for each task family, and staffed domain-specialized annotators with math/coding expertise where needed. We implemented multi-layer QA in Abaka Forge: automated format checks, peer review, expert adjudication, and weekly error analysis tied to guideline updates. Each guideline change was versioned, and deliveries were batched with clear manifests so the lab could reproduce results across model runs. Access was restricted via segregated pipelines and strict NDAs, and the lab’s data remained exclusively theirs—never repurposed or shared.

Within 3 weeks, the lab had stable, audit-ready RLHF and evaluation batches that reduced reviewer escalations and improved consistency across experiments. QA sampling and adjudication shortened relabel cycles, and the team stopped losing weeks to “why did this score change?” investigations. The lab used per-eval task pricing to plan budgets (e.g., $15/eval for defensive coding checks and $8/eval for red teaming where applicable) while scaling coverage as experiments expanded. Outcomes: 99% target accuracy hit on calibrated tasks, 30% fewer rework tickets, and faster iteration cadence across weekly releases.

3 weeks
From scope to stable, production batches
99%
Target accuracy on calibrated tasks
30%
Reduction in relabel/rework tickets

By the Numbers

2019
Founded — trustworthy data partner for frontier AI
1,000+
Enterprise and research customers
50+
Countries supported for global coverage
99%
Accuracy available with multi-layer QA

What Customers Say

We needed labeling that didn’t collapse under edge cases. Abaka’s rubrics and adjudication loop made disagreements actionable instead of noisy, and the weekly error analysis quickly tightened our definitions. The deliveries were consistent and easy to ingest.

Director of Applied MLEnterprise AI Platform Company

The difference wasn’t just speed—it was governance. Versioned guidelines, audit trails, and controlled access meant security review was straightforward. We scaled up for a launch, then scaled down without losing process continuity.

Head of Data OperationsRegulated Financial Services Company

Our internal team kept getting pulled into label disputes. Abaka’s multi-layer QA and specialist reviewers reduced escalations dramatically, and the dataset finally reflected decisions we could stand behind in model reviews.

ML Engineering ManagerAutonomous Systems Company

We run multimodal work—text plus vision—and Abaka handled the transitions cleanly. Ontology changes were controlled, and exports matched what our training pipeline expected. It felt like a labeling function, not a vendor handoff.

Staff Research ScientistFrontier Model Research Lab

Why Choose Abaka

01

A labeling partner built for frontier AI—without competing with you

Abaka is the trustworthy data partner for frontier AI: founded in 2019, self-funded and profitable, with offices in Singapore, Paris, and Silicon Valley. We never build models that compete with you—your data is exclusively yours and is never repurposed, resold, or shared. Combined with SOC 2, ISO 27001, GDPR, and CCPA-aligned operations, you get high-quality ML Data Labeling Specialist delivery with the governance your stakeholders expect.

02

Vertically specialized annotators

Use domain talent when it matters: automobile, coding, languages, mathematics, medicine, science, business, and law. Specialist coverage reduces ambiguity and improves consistency on high-stakes labels and evaluations.

03

Throughput discipline protects quality

We enforce realistic throughput caps (e.g., 500 files/day per annotator) and multi-layer QA to prevent speed-driven mistakes. You get predictable delivery without quietly trading off accuracy.

04

Abaka Forge workflow control

Run collection, cleaning, annotation, and production delivery in one governed system. Abaka Forge supports multimodal work (text, RLHF, image, video, 3D/4D) with audit logs, versioning, and automation where appropriate.

05

Compliance-ready operations

SOC 2 and ISO 27001 controls, GDPR and CCPA alignment, strict NDAs, and segregated secure pipelines help you pass procurement and security reviews faster. Your team stays focused on the model, not vendor risk management.

06

Elastic scale across 50+ countries

Scale teams up or down without rebuilding your process. Abaka’s 1M+ specialized annotators and established QA playbooks support fast ramping for launches, sustained throughput for long programs, and controlled pauses when priorities shift—without losing guideline continuity.

Frequently Asked Questions

How much does an ML data labeling specialist cost?
Pricing depends on modality, complexity, and QA depth, but Abaka provides clear, real units you can budget against. For example, LLM math/coding labeling can be $18/hr, STEM generalist work can be $12/hr, dense captioning can be $6/hr, and image editing can be $8/hr. For autonomy programs, road lane annotation can be priced at $3/km. We’ll recommend the right unit model (hourly, per-eval, or per-km) after reviewing samples and acceptance criteria so cost aligns to measurable quality.
How fast can you deliver labeled data for my project?
Most teams see initial production-ready batches in 2–3 weeks after kickoff, depending on task complexity and how quickly guidelines stabilize. We typically use the first days to scope and define acceptance criteria, then run a pilot to calibrate rubrics and gold sets, and then scale production with multi-layer QA. If you already have mature guidelines and a stable ontology, timelines can compress. If tasks are novel or require heavy adjudication, we’ll plan phased deliveries so your training can start while refinement continues.
What data modalities and output formats do you support?
Abaka supports text, LLM RLHF, image, video, 3D/4D point cloud, LiDAR + camera fusion, and audio. We deliver common training-ready outputs such as JSONL, CSV/TSV, COCO JSON, YOLO TXT, segmentation masks, and synchronized manifests for multimodal datasets. For specialized pipelines, we can match your schema and provide transformation layers so your team doesn’t spend weeks writing converters. Abaka Forge keeps tasks, rubrics, and exports versioned so changes remain traceable.
What accuracy can I expect from your labeling teams?
Accuracy depends on task ambiguity, guideline clarity, and the difficulty of edge cases, but Abaka targets up to 99% accuracy on calibrated tasks with multi-layer QA. We use gold sets, rater calibration, peer review, and expert adjudication to control drift. We also track disagreement rates and error categories, then update rubrics with change control so improvements don’t break reproducibility. For novel tasks, we recommend a pilot batch first to quantify expected accuracy and define measurable acceptance thresholds before scaling.
How do you handle security and compliance for sensitive datasets?
Abaka is built for enterprise data handling with SOC 2 and ISO 27001 controls and alignment with GDPR and CCPA requirements. We operate under strict NDAs, use segregated secure pipelines, and apply role-based access so only approved specialists can view data. Workflows in Abaka Forge maintain audit logs and versioned artifacts for traceability. Importantly, Abaka never builds models that compete with you; your data is exclusively yours and is never repurposed, resold, or shared.
Do you support multilingual labeling and global coverage?
Yes. Abaka supports multilingual programs across 50+ countries, including localization-aware guidelines and region-specific edge cases. For text and audio, we can run language-qualified annotators and reviewers, and for vision tasks we can incorporate locale-specific signage, retail packaging, or cultural context into the ontology. We also maintain consistent QA logic across languages so your datasets remain comparable. If you need a staged rollout, we can start with priority markets and expand once rubrics are proven.
How are you different from other data labeling vendors?
Abaka focuses on trustworthy delivery for frontier AI: vertically specialized annotators, scholar-network reviewers for complex domains, and governed workflows in Abaka Forge. We also emphasize data ownership and trust—Abaka never builds models that compete with you, and your data is never repurposed, resold, or shared. Operationally, we combine multi-layer QA with throughput discipline to protect accuracy at scale. Finally, we support the full lifecycle—collection, cleaning, annotation, and evaluation—so you avoid fragile multi-vendor handoffs.
Can I request changes if my guidelines evolve mid-project?
Yes—change requests are expected in real ML programs, and we manage them with version control. When guidelines change, we update rubrics, retrain relevant annotators, and document decisions in an issue log. We can also run targeted relabeling for impacted slices, rather than redoing everything. Abaka Forge keeps deliveries tied to guideline versions so your training runs remain reproducible. This approach reduces silent schema drift and helps your team compare model performance across dataset iterations.
Can we start with a small pilot before scaling?
A pilot is the fastest way to de-risk quality and cost. We typically run a focused pilot batch to validate the ontology, measure disagreement, and tune acceptance criteria. You’ll review samples, we’ll identify top error classes, and we’ll adjust rubrics and QA gates before scaling. The pilot also clarifies staffing: whether you need generalists, domain specialists (e.g., math/coding), or expert adjudicators. After the pilot, we provide a production plan with predictable throughput and delivery cadence.
Who owns the labeled data and derived artifacts?
You do. Abaka’s operating model is designed so your data is exclusively yours—never repurposed, resold, or shared. We work under strict NDAs and maintain segregated pipelines to prevent cross-customer exposure. Deliverables include labels, rubrics, and QA artifacts according to your contract, and we can support retention or deletion requirements based on your policies. If you need full IP provenance documentation, we provide it so downstream usage is clear and defensible.
What tools do you use for annotation and QA workflows?
Abaka uses Abaka Forge, our all-in-one platform for collection, cleaning, annotation, and production delivery across text, RLHF, image, video, and 3D/4D. Forge supports role-based access, audit logs, and versioned guidelines, and it can automate routine steps using large-model assistance to speed delivery. If your team uses internal tooling, we can still deliver in your preferred schemas and coordinate review via exports and sampling plans, but Forge keeps the operational backbone consistent.
What is the minimum project size you can support?
We support both pilots and large-scale production programs. Minimum size depends less on raw volume and more on whether the task requires specialist calibration, custom rubrics, or multimodal setup. Many teams begin with a small pilot batch to confirm acceptance criteria, then scale once quality is proven. If you only need a small number of high-complexity labels (e.g., expert adjudication or math/coding evaluation), we can scope a specialist-only engagement. Talk to an Expert and we’ll propose a right-sized plan.

Ready to Get Started?

Label the Present. Train the Future.