Choose an ML Data Labeling Vendor that ships
clean, audit-ready training data

Abaka pairs scholar-grade reviewers with Abaka Forge workflows to deliver 99% accuracy across text, vision, and RLHF—without slowing your model roadmap or increasing compliance risk.

When labeling quality slips, your model metrics become noise. A 1–3% label error rate can trigger weeks of re-training, mislead A/B decisions, and inflate evaluation costs across every iteration. Teams often discover drift only after deployment—when false positives, missed detections, or hallucinated responses create support load, brand damage, and blocked releases. Meanwhile, internal SMEs become bottlenecks: even at 500 files/day per annotator, scaling volume without process rigor leads to inconsistent guidelines, uneven edge-case handling, and expensive rework.

Abaka is the ml data labeling vendor for teams that need repeatable quality at production scale. We combine vertically specialized annotators across 50+ countries with multi-layer QA and tool-assisted workflows in Abaka Forge—so your team gets consistent labels, traceable decisions, and controlled throughput. Whether you’re building perception models, LLM instruction data, or safety evaluations, we help you define guidelines, run calibrated pilots, and expand capacity without sacrificing security. You keep full IP ownership—your data is never repurposed or resold.

The ML Data Labeling Vendor Bottleneck

01

Quality Decay

Most pipelines fail at the last mile: ambiguous guidelines, inconsistent edge-case judgments, and weak audit trails. Even a 2% systematic labeling bias can degrade model performance and force costly relabeling cycles. Abaka mitigates this with calibrated gold sets, inter-annotator agreement checks, and multi-layer QA designed to sustain 99% accuracy targets. We cap throughput at 500 files/day per annotator to reduce fatigue-driven errors and keep decision quality stable as volume grows.

02

Volume Walls

Internal teams rarely have elastic capacity for launches, backfills, or sudden data shifts. Scaling from 50k to 500k items can take months if you rely on ad-hoc hiring and manual coordination. Abaka provides access to 1M+ specialized annotators across 50+ countries and structured staffing plans that expand in days, not quarters. With Abaka Forge automation, teams can reduce handoffs and accelerate workflows—often seeing up to 50x faster task execution for repeatable labeling steps.

03

Compliance Friction

Data labeling touches sensitive inputs—PII, proprietary logs, medical images, and unreleased product footage—so security controls are non-negotiable. Weak access control or unclear provenance can add 4–8 weeks of procurement delay and increase legal exposure. Abaka operates under SOC 2 and ISO 27001 aligned controls with GDPR and CCPA practices, strict NDAs, segregated secure pipelines, and full IP provenance—supporting 0% copyright risk on collected data while keeping your datasets exclusively yours.

01

Labeling guidelines, rubrics, and edge-case playbooks

We co-author annotation specifications your team can trust: definitions, counterexamples, and decision trees for ambiguous cases. Abaka structures guidelines for common ML tasks—NER, intent, toxicity, summarization, object detection, segmentation, and lane marking—then validates them through calibrated pilots. We maintain versioned rubrics inside Abaka Forge so changes are traceable and reproducible across rounds. This reduces relabeling churn and keeps training and evaluation sets aligned as your product evolves.

02

High-precision text labeling for ML and LLMs

From support tickets to legal clauses, we deliver consistent text labels across domains using vertically specialized reviewers (e.g., medicine, law, business, languages). Typical outputs include classification labels, rationales, span annotations, and structured extractions suitable for RAG, fine-tuning, and benchmark creation. We support multilingual datasets across 50+ countries and maintain quality via gold tasks and reviewer escalation. Deliverables can be exported to JSONL/CSV with stable schemas for training pipelines.

03

LLM RLHF data—preference, ranking, and instruction following

Abaka runs RLHF workflows that emphasize consistency: prompt libraries, rubric-based scoring, pairwise preferences, and multi-rater adjudication for disagreement. We support instruction following, reasoning-heavy tasks (math and coding), and policy-aligned safety evaluation using scholar-network expertise. Teams can start with small pilots to validate rubrics, then scale to production volumes with controlled throughput. Outputs include preference pairs, rankings, and structured critique fields for training or evaluation.

04

Image annotation for perception and quality inspection

We deliver bounding boxes, polygons, keypoints, and dense captions for datasets used in robotics, retail, and industrial inspection. Abaka supports common formats like COCO JSON and Pascal VOC, plus client-defined schemas. Quality is maintained through multi-layer QA and targeted reviewer pools for domain-specific imagery. For specialized needs, we also support image editing tasks (e.g., mask refinement) with a clear hourly pricing model and consistent acceptance criteria.

05

Video labeling for tracking and spatial reasoning tasks

Abaka supports frame-by-frame and event-based video labeling: object tracking, temporal segments, action labels, and spatial reasoning prompts for multimodal models. We design workflows to control drift across long sequences and to handle edge cases like occlusions and fast motion. Abaka Forge helps standardize review and auditing across large video batches. Outputs include per-frame annotations, temporal spans, and consolidated JSON exports aligned to your training stack.

06

3D/4D point cloud labeling for autonomy and robotics

For LiDAR and point cloud datasets, we support 3D cuboids, point-wise segmentation, scene tagging, and sequence consistency checks. Use cases include autonomous driving perception, warehouse robotics, and geospatial mapping. We structure QA to validate geometry, class taxonomies, and temporal continuity for moving objects. Deliverables can be exported in client-defined schemas and audited with reviewer notes to support debugging and model error analysis.

07

Multi-layer QA, auditing, and adjudication at scale

We run quality operations designed for production: gold sets, sampling plans, dispute resolution, and adjudication by senior reviewers. This prevents silent label drift and creates a measurable quality signal you can track across time. Abaka caps throughput at 500 files/day per annotator and uses calibrated checks to reduce fatigue effects. Your team receives audit logs, acceptance criteria, and clear escalation pathways—so model training data is consistent and defensible.

08

Abaka Forge workflows—collection, annotation, and operations

Abaka Forge is our end-to-end platform for dataset operations—supporting collection, cleaning, annotation, training handoffs, and production workflows across image, video, text, RLHF, and 3D/4D point clouds. Large-model automation can accelerate repetitive steps by up to 50x while preserving human oversight where it matters. Forge credits are priced at $0.20 USD each, enabling predictable scaling and transparent cost control. Teams get secure, segregated pipelines and export-ready datasets.

Why Outsource ML Data Labeling Vendor Work

01

Faster Delivery

Move from backlog to labeled datasets in 2–3 weeks by starting with a calibrated pilot and scaling capacity immediately. Abaka’s managed operations reduce internal coordination and accelerate iteration cycles without sacrificing auditability.

02

Direct Savings

Replace unpredictable hiring and retraining costs with clear unit economics—hourly annotation ($6–$18/hr) and platform credits ($0.20/credit). Lower rework rates by enforcing guidelines, QA sampling, and adjudication.

03

Risk Reduction

Protect sensitive data with SOC 2 and ISO 27001 aligned controls, strict NDAs, and segregated secure pipelines. Maintain full IP provenance and avoid downstream legal risk with 0% copyright risk on collected data.

04

Elastic Scalability

Scale from hundreds to millions of items without operational chaos. With 1M+ specialized annotators across 50+ countries, Abaka can ramp teams quickly while keeping throughput capped at 500 files/day per annotator for quality.

05

Domain Expertise

Use scholar-network domains—coding, mathematics (including Lean4), languages, medicine, law, business—to label and evaluate complex data. This helps your team handle edge cases and reasoning-heavy tasks with consistent rubrics.

06

Innovation Velocity

Stop spending cycles on tooling glue and reviewer management. Abaka Forge standardizes workflows and introduces automation where safe, so your team can focus on model improvements, eval design, and shipping product outcomes.

Industries We Serve

Automotive

Support autonomous driving and ADAS with lane labeling priced at $3/km, plus 2D/3D perception annotations for vehicles, pedestrians, and road semantics. Abaka helps you keep sequence consistency across long drives, improves edge-case coverage (construction, weather, glare), and delivers export-ready datasets for training and validation.

GenAI / Foundation Models

Build and evaluate LLMs with instruction data, preference labels, and reasoning-heavy supervision. Abaka’s domain specialists handle coding, math, multilingual content, and safety rubrics with auditable adjudication—supporting fine-tuning, alignment, and benchmark creation without compromising your IP.

Embodied AI / Robotics

Label egocentric video, manipulation scenes, and navigation data for embodied agents. We provide consistent object taxonomy, action/event labeling, and spatial reasoning annotations, plus optional custom RL environment design when you need closed-loop training data for real-world tasks.

Healthcare

Create high-quality datasets for clinical NLP, imaging triage, and patient-facing assistants while respecting privacy constraints. Abaka supports de-identification workflows, medical-domain reviewers, and structured outputs for training and evaluation—without claiming HIPAA where it isn’t required.

Retail

Improve search, recommendations, and shelf analytics with product taxonomy labeling, attribute extraction, and vision datasets for detection and segmentation. Abaka helps you build reliable ground truth for promotions, planograms, and store operations, reducing false positives that create operational waste.

Finance

Label documents and communications for risk, compliance, and customer support automation. We support multilingual classification, entity extraction, and rubric-based evaluations for model responses, with secure pipelines and auditable reviewer decisions to help your governance teams sign off.

Geospatial

Create training data from satellite and aerial imagery with polygon labeling, change detection tags, and scene classification. Abaka supports large-scale programs with consistent guidelines and QA sampling—producing exports suitable for mapping, planning, and environmental monitoring workflows.

Security / Defense

Support perception and analysis tasks with controlled-access labeling, strict NDAs, and segregated secure pipelines. We help teams label sensor imagery, video events, and geospatial features while maintaining audit trails and minimizing exposure of sensitive inputs across the workforce.

Agriculture / Industrial

Build inspection and monitoring datasets for crops, equipment, and facilities using image/video labeling and structured text extraction. Abaka supports defect taxonomies, instance segmentation, and process documentation labeling—delivering consistent ground truth for automation and decision support.

How It Works

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

We align on task definitions, edge-case policies, target quality (often 99% accuracy), and output schemas. Abaka establishes secure access, NDAs, and segregated pipelines, then selects reviewer pools matched to your domain. You get a clear plan for sampling, adjudication, and how we will measure success before scaling.

2) Week 1–2 — Pilot labeling + rubric calibration

We run a controlled pilot to validate guidelines, confirm inter-annotator consistency, and expose ambiguity early. Your team reviews a small batch, we revise rubrics, and we finalize gold tasks and QA checks. This prevents expensive relabeling later and sets a stable foundation for production throughput.

3) Week 2–3 — Production ramp with multi-layer QA

After pilot sign-off, we scale volume using trained annotators while enforcing throughput limits (up to 500 files/day per annotator) to maintain quality. Abaka Forge standardizes review workflows, captures audit logs, and supports automation for repeatable steps. Deliverables ship in agreed formats with clear batch reporting.

4) Ongoing — Continuous improvement and drift control

As your model evolves, we keep datasets consistent across versions. We track disagreements, recurring edge cases, and error patterns, then update playbooks and retrain reviewers. This reduces quality decay across long programs and keeps training, validation, and evaluation sets comparable over time.

5) Weekly — Reporting, cost control, and change requests

You receive weekly dashboards covering throughput, QA findings, and any policy updates. Change requests are handled through versioned guidelines and controlled rollouts so you can compare outcomes across dataset versions. Costs remain transparent via hourly rates and Abaka Forge credits ($0.20/credit).

Modality & Format Coverage

Your labeling vendor should cover every data type your roadmap touches. Abaka supports end-to-end annotation in Abaka Forge, with export-ready formats, consistent schemas, and auditable QA across modalities.

ModalityAnnotation TypesToolsOutput Formats
TextClassification, entity/span tagging (NER), sentiment & intent, structured extraction, rationale fieldsAbaka ForgeJSONL, CSV, TSV, Parquet, client-defined schema
LLM RLHFPairwise preference, ranking, rubric scoring, instruction following checks, safety & bias auditsAbaka ForgeJSONL, CSV, preference-pair tables, evaluation scorecards, audit logs
ImageBounding boxes, polygons, instance segmentation, keypoints, dense captioningAbaka ForgeCOCO JSON, Pascal VOC XML, JSON, PNG masks, client-defined schema
VideoTemporal segments, event tags, tracking, frame-level labels, multimodal QA promptsAbaka ForgeJSON, JSONL, CSV timelines, frame-indexed exports, client-defined schema
3D/4D Point Cloud3D cuboids, point-wise segmentation, scene tags, sequence consistency checks, sensor metadata taggingAbaka ForgeJSON, PCD/PLY metadata exports, sequence manifests, client-defined schema
LiDAR + Camera fusionCross-sensor object alignment, synchronized tracking, calibration verification tags, fused scene semanticsAbaka ForgeSensor-synced JSON, sequence manifests, calibration notes, client-defined schema
AudioTranscription, speaker diarization tags, intent labeling, safety classification, pronunciation/quality checksAbaka ForgeJSONL, CSV, SRT/VTT, TextGrid, client-defined schema

Success Story

A leading enterprise AI team

The team needed a dependable ml data labeling vendor after repeated inconsistencies across vendors caused metric volatility. Their datasets mixed support text, screenshots, and short videos, and label policies had evolved without clean versioning. As a result, training runs were hard to compare, edge cases were handled differently by different reviewers, and new product launches kept slipping. Internal SMEs were spending hours each week auditing batches instead of improving models, and the team lacked an audit trail strong enough for stakeholder review.

Abaka ran a Day 0–3 scoping sprint to define acceptance criteria, output schemas, and a versioned rubric. We launched a calibrated pilot to measure agreement, then introduced multi-layer QA with adjudication for disagreements and gold tasks for ongoing calibration. Using Abaka Forge, we standardized workflows across modalities, captured reviewer notes for edge cases, and created a change-control process for guideline updates. The team used weekly reporting to track quality, throughput, and recurring failure modes, turning audits into actionable improvements.

Within 3 weeks, the customer had stable, audit-ready labeled batches with consistent edge-case handling and clear versioning. QA findings dropped week-over-week as the rubric matured, and internal SMEs reduced time spent on manual audits. The program scaled without quality decay by enforcing throughput caps (500 files/day per annotator) and maintaining adjudication for ambiguous items. The customer achieved 99% accuracy targets on agreed tasks and accelerated iteration velocity—unblocking releases with faster dataset refresh cycles and measurable quality controls.

3 weeks
From pilot to production-ready delivery
99%
Target accuracy with multi-layer QA
50+
Countries supporting multilingual coverage

By the Numbers

2019
Founded — trustworthy data partner for frontier AI
1,000+
Enterprise & research customers supported
1M+
Vertically specialized annotators available
99%
Accuracy target with calibrated QA workflows

What Customers Say

We switched vendors because we needed consistent decisions on edge cases, not just raw throughput. Abaka’s rubric process and adjudication made our datasets comparable across versions, and the audit trail helped us defend results internally.

Director of Applied MLEnterprise Software Company

The biggest improvement was operational. Weekly reporting, clear acceptance criteria, and stable exports let our engineers focus on modeling instead of constantly debugging labels. Quality stayed steady even as volume increased.

Head of Data OperationsAI Platform Team

We needed a partner who could handle text and multimodal evaluation without compromising security. The secure pipeline approach and strict access controls made procurement smoother, and delivery stayed on schedule.

Security & Compliance LeadRegulated Industry ML Group

Abaka’s reviewers handled complex, reasoning-heavy tasks far better than generalist workforces. The calibration phase caught ambiguity early, so we didn’t burn cycles on large-scale relabeling later in the project.

ML Engineering ManagerFrontier AI Team

Why Choose Abaka

01

A labeling partner built for trust, not lock-in.

Abaka is self-funded and profitable, founded in 2019, and we never build models that compete with you—so your incentives stay aligned. Your data is exclusively yours: never repurposed, resold, or shared. With SOC 2 and ISO 27001 aligned controls, strict NDAs, segregated secure pipelines, and full IP provenance, your team gets production-grade security plus audit-ready datasets that stand up to internal and external scrutiny.

02

Scholar-grade domain coverage

Tap expert pools across coding, mathematics (including Lean4), languages, medicine, law, and business. This matters when labels require reasoning, nuance, and consistent handling of edge cases.

03

Measured quality, not vibes

We operationalize QA through calibration, gold sets, sampling plans, and adjudication. With throughput capped at 500 files/day per annotator, quality remains stable as you scale volume.

04

Abaka Forge standardizes delivery

Run collection, cleaning, annotation, and production workflows in one system. Abaka Forge supports every major modality and provides export-ready datasets with consistent schemas, audit logs, and automation where it’s safe.

05

Predictable economics for procurement

Use transparent pricing models—hourly annotation ($6–$18/hr), road lane at $3/km, or platform credits at $0.20/credit—so you can plan budgets and compare vendors without hidden assumptions.

06

Global scalability with secure pipelines

With operations spanning 50+ countries and offices in Singapore, Paris, and Silicon Valley, Abaka supports multilingual programs and follow-the-sun delivery while maintaining segregated secure pipelines and strict access control for sensitive data.

Frequently Asked Questions

How much does an ml data labeling vendor cost per hour or per task?
Pricing depends on modality, complexity, and QA depth, but Abaka uses transparent, referenceable rates. For example, LLM Math/Coding annotation is $18/hr, STEM Generalist work is $12/hr, Dense Captioning is $6/hr, and Image Editing is $8/hr. For automotive perception, Road Lane labeling is priced at $3/km. If you use Abaka Forge, credits are $0.20 USD each. We’ll recommend the most cost-efficient mix after a Day 0–3 scoping sprint and a small pilot.
How fast can you start and deliver the first labeled batch?
Most teams can start with scoping in Day 0–3, then receive a pilot batch during Week 1–2. After you approve the rubric and acceptance criteria, production ramp typically begins Week 2–3. The exact timing depends on data access setup, guideline maturity, and the level of adjudication required for edge cases. We prioritize fast, calibrated pilots because they reduce downstream relabeling and make scaling more predictable.
What data modalities and output formats do you support?
Abaka supports text, LLM RLHF, images, video, 3D/4D point clouds, LiDAR + camera fusion, and audio. Output formats include JSONL, CSV/TSV, COCO JSON, Pascal VOC XML, PNG masks, SRT/VTT for audio/video, and client-defined schemas. We align formats and schemas during scoping so exports plug directly into your training, evaluation, and data catalog workflows with minimal glue code.
What accuracy can you guarantee for data labeling?
Abaka commonly targets 99% accuracy on agreed task definitions, measured via calibrated gold sets, sampling plans, and adjudication rules defined with your team. Accuracy is not a one-size number—different tasks have different ambiguity and base rates—so we define measurable acceptance criteria during the pilot. We also cap throughput at 500 files/day per annotator to reduce fatigue effects and maintain consistent decision quality at scale.
How do you protect sensitive or proprietary data during labeling?
We operate with SOC 2 and ISO 27001 aligned controls, GDPR and CCPA practices, strict NDAs, and segregated secure pipelines. Access is provisioned by role, and workflows are designed to minimize exposure while preserving auditability. We also provide full IP provenance and ensure your data is exclusively yours—never repurposed, resold, or shared. During scoping, we align on your security requirements and configure the pipeline accordingly.
Do you support multilingual labeling and non-English datasets?
Yes. Abaka supports multilingual programs with coverage across 50+ countries. We can staff language-specific annotators and reviewers, set language-specific rubrics, and apply consistent QA and adjudication to reduce cross-locale drift. For multilingual LLM work, we can support instruction following checks, preference labeling, and safety rubrics while maintaining consistent schema outputs so your evaluation and training pipelines remain comparable across languages.
How is Abaka different from other data labeling vendors?
Many vendors optimize for raw throughput; Abaka optimizes for audit-ready quality and trust. We never build models that compete with you, and your data is exclusively yours—never repurposed or resold. Operationally, we combine domain-specialized reviewers with multi-layer QA and Abaka Forge workflows to keep guidelines versioned and decisions traceable. This reduces relabeling cycles, makes evaluation defensible, and helps your team ship more reliably.
What happens if we need to change labeling guidelines mid-project?
Change requests are normal. Abaka manages them through versioned rubrics, controlled rollouts, and clear dataset versioning so you can compare model performance across label-policy changes. We typically pilot the change on a small batch, measure agreement and QA impact, then apply it to production once you approve. If a change affects previously delivered data, we’ll recommend a targeted backfill strategy to update only the impacted slices rather than relabeling everything.
Can we start with a pilot project before committing to a larger program?
Yes. We recommend a pilot during Week 1–2 to validate guidelines, outputs, and acceptance criteria before scaling. Pilots are designed to surface ambiguity early, establish gold tasks, and confirm that exports fit your training stack. After pilot sign-off, we can ramp production quickly while maintaining multi-layer QA and adjudication rules. This approach lowers risk and helps procurement evaluate quality and operational fit with real artifacts.
Who owns the labeled data and can it be reused elsewhere?
You own your data and the labeled outputs. Abaka does not repurpose, resell, or share your datasets—ever. We also maintain full IP provenance and can support 0% copyright risk on collected data when data collection is part of the engagement. This is especially important for teams training frontier models, where provenance and exclusivity are necessary for both legal and competitive reasons.
What tools and platforms do you use for data labeling?
We use Abaka Forge—our all-in-one platform for collection, cleaning, annotation, training handoffs, and production workflows across text, RLHF, image, video, and 3D/4D point cloud. Forge supports secure, segregated pipelines and export-ready outputs with audit logs. Large-model automation can speed up repetitive steps by up to 50x while preserving human oversight where needed. Forge credits are priced at $0.20 USD each for predictable scaling.
Is there a minimum project size for working with an ml data labeling vendor?
There’s no single minimum, but the best ROI typically starts with a pilot that is large enough to measure agreement and QA reliably. Many teams begin with a few hundred to a few thousand items (or a small number of videos/scenes) to validate rubrics, output formats, and operational cadence. Once the workflow is proven, we can scale to larger volumes quickly by expanding annotator capacity while keeping QA and adjudication consistent.

Ready to Get Started?

Label the Present. Train the Future.