Now serving 200+ enterprise AI teams worldwide

The data engine for frontier AI

High-quality training data, expert human feedback, and rigorous evaluation — everything you need to build AI systems that actually work.

AnnotRift Platform — Project Dashboard
2.8B+
Labels Delivered
47
Active Projects
99.4%
Avg. Accuracy
Today's throughput 1.2M labels (+12% vs yesterday)
1.5M+
Expert annotators
2.8B+
Labels delivered
99.4%
Quality accuracy
40+
Countries

Trusted by the world's leading AI organizations

OpenAI
Anthropic
Meta AI
Google DeepMind
Microsoft
NVIDIA
Cohere
Mistral
xAI
Stability AI
OpenAI
Anthropic
Meta AI
Google DeepMind
Microsoft
NVIDIA
Cohere
Mistral
xAI
Stability AI
See It In Action

Watch how AnnotRift powers AI teams

A 2-minute overview of our platform capabilities, from data ingestion to production-ready training sets.

AnnotRift Platform Demo
$ annotrift upload --source s3://data/images/ ✓ 50,000 images uploaded successfully $ annotrift label --project autonomous-driving ⟳ Assigning to 120 expert annotators... ✓ Project started — ETA: 18 hours
2:34
Our Products

Everything your AI team needs

A complete suite of data services designed for teams building production AI systems.

🏷️

Data Labeling

Human-in-the-loop annotation across every modality — images, video, text, audio, and 3D point clouds with pixel-perfect accuracy.

🎯

RLHF & Alignment

Preference data, safety evaluations, and instruction-following assessments from domain experts who understand model behavior.

Evaluation & Benchmarks

Custom evaluation frameworks with expert human judges. Go beyond automated metrics to measure real-world performance.

🧬

Synthetic Data

AI-generated training data validated by human experts. Scale your datasets while maintaining quality and diversity.

🧹

Data Curation

Dataset cleaning, deduplication, and quality control. Transform noisy data into clean, consistent training corpora.

API & Integrations

RESTful APIs, Python SDK, and native integrations with your ML pipeline. Programmatic access to all platform capabilities.

Data Labeling

Human-in-the-loop annotation at unprecedented scale

From bounding boxes to semantic segmentation, our expert workforce delivers pixel-perfect annotations across every modality — images, video, text, audio, and 3D point clouds.

  • Multi-modal annotation: image, video, text, audio, LiDAR
  • Custom ontology design with hierarchical label taxonomies
  • Real-time quality assurance with consensus scoring
  • Automated pre-labeling with human verification loops
  • Sub-24-hour turnaround for priority projects
Learn more
Street Scene — Frame 1247
Vehicle
Pedestrian
Labels: 24/30 complete
Prompt: "Explain quantum entanglement to a 10-year-old"
Response A ✓
Imagine you have two magic coins. When you flip one and it lands on heads, the other one — no matter how far away — instantly lands on tails...
Response B
Quantum entanglement is a phenomenon in quantum mechanics where two particles become correlated such that the quantum state of one...
● Preferred: A | Criteria: Clarity, Age-appropriate, Accuracy
RLHF & Alignment Data

Preference data that makes AI systems safer and more helpful

Our domain-expert annotators generate high-quality preference rankings, safety evaluations, and instruction-following assessments to align your models with human values.

  • Pairwise preference ranking with detailed rationales
  • Multi-dimensional scoring (helpfulness, harmlessness, honesty)
  • Red-teaming and adversarial prompt generation
  • Constitutional AI data for self-improvement loops
  • Domain-specific alignment (medical, legal, financial)
Learn more
Evaluation & Benchmarks

Custom model evaluation that goes beyond standard benchmarks

Design bespoke evaluation frameworks tailored to your model's specific capabilities. Our expert evaluators assess nuance, reasoning, and domain expertise that automated metrics miss.

  • Custom evaluation rubrics designed with your team
  • Blind A/B testing across model versions
  • Domain-expert evaluation (PhD-level reviewers)
  • Longitudinal performance tracking dashboards
  • Statistical significance testing and confidence intervals
Learn more
Model Evaluation Dashboard — v3.2 vs v3.1
94.2%
Accuracy
91.8%
Coherence
88.5%
Safety
Reasoning Quality +4.2% ↑
Instruction Following +2.1% ↑
Factual Grounding +1.8% ↑
Synthetic Data Pipeline — Medical QA
📋
Seed Data
🤖
Generation
👤
Validation
Delivery
Generated: 50,000 pairs Validated: 47,200 (94.4%)
Synthetic Data

AI-generated training data with human quality guarantees

Augment your datasets with high-quality synthetic examples. Our hybrid pipeline combines AI generation with expert human validation to ensure accuracy and diversity.

  • Domain-specific synthetic data generation (code, math, science)
  • Diversity-aware sampling to reduce bias
  • Human validation loops for quality assurance
  • Configurable difficulty and complexity levels
  • Privacy-preserving synthetic alternatives to sensitive data
Learn more
Data Curation

Dataset cleaning and quality control at enterprise scale

Transform noisy, inconsistent datasets into clean, well-structured training corpora. Our curation pipeline identifies duplicates, corrects errors, and ensures label consistency across millions of examples.

  • Automated deduplication and near-duplicate detection
  • Label consistency auditing across annotator cohorts
  • Data quality scoring with actionable improvement reports
  • Bias detection and mitigation recommendations
  • Version control and lineage tracking for datasets
Learn more
Data Quality Report — Dataset v2.4
97.1%
Clean Rate
2.3%
Duplicates
0.6%
Errors
Total samples 1,247,832
Removed duplicates -28,700
Corrected labels 7,487
Final clean dataset 1,219,132
Global Expert Network

1.5 million domain experts across 40+ countries

Our rigorously vetted annotator workforce includes PhD researchers, licensed professionals, native speakers in 80+ languages, and specialized domain experts in healthcare, law, finance, and engineering.

80+
Languages supported
15K+
PhD-level experts
4.8/5
Avg. annotator rating
98.7%
Retention rate
Quality Guarantees

Enterprise-grade quality at every step

Our multi-layered quality assurance framework ensures every label meets your exact specifications with contractual SLA guarantees.

99.4%
Average annotation accuracy across all projects
<4hr
Average first-response time for new projects
99.9%
SLA compliance rate over the past 12 months
3x
Consensus validation on every critical label
📥
Data Ingestion
🏷️
Annotation
🔍
QA Review
Consensus
📊
Analytics
🚀
Delivery
Platform Analytics

Real-time performance metrics

Live data from our annotation platform — updated every second.

Labels Delivered (Last 7 Days)

● Live
MonTueWedThuFriSatSun
0 This week
+18.3% vs last week
By Modality
99.4%
Quality Score
Industry Solutions

Purpose-built for every industry

Specialized annotation workflows, domain-expert annotators, and compliance frameworks tailored to your industry's unique requirements.

🏥

Healthcare & Life Sciences

HIPAA-compliant medical image annotation, clinical NLP, radiology labeling, and pathology slide analysis by licensed medical professionals.

💰

Financial Services

Document extraction, fraud detection labeling, sentiment analysis for trading, and regulatory compliance data with SOC 2 Type II certification.

🚗

Autonomous Vehicles

3D LiDAR annotation, sensor fusion labeling, lane detection, traffic sign classification, and scenario-based edge case identification.

🤖

Robotics & Manufacturing

Object manipulation labeling, spatial reasoning data, assembly instruction annotation, and quality inspection training data.

How It Works

From raw data to production in days, not months

Our streamlined process gets you from project kickoff to production-ready training data faster than any alternative.

1

Define your task

Work with our solutions team to design your annotation ontology, quality criteria, and delivery format.

2

Upload your data

Connect your cloud storage or upload directly. We support all major formats and modalities.

3

Expert annotation

Our trained workforce labels your data with multi-stage quality assurance and consensus validation.

4

Deliver & iterate

Receive production-ready data via API or export. Review quality reports and iterate on guidelines.

Customer Stories

Trusted by AI teams building the future

See how leading organizations use AnnotRift to accelerate their AI development pipelines.

Research

Advancing the science of data quality

Our research team publishes peer-reviewed work on annotation methodology, data quality, and human-AI collaboration.

NeurIPS 2025

Consensus-Weighted Annotation: A Framework for Scalable Label Quality

We introduce a novel consensus mechanism that dynamically weights annotator contributions based on demonstrated expertise and agreement patterns.

Chen, Williams, Patel et al. • December 2025
ICML 2025

Beyond Binary Preferences: Multi-Dimensional RLHF for Complex Reasoning Tasks

This paper presents a multi-axis preference framework that captures nuanced human judgments across helpfulness, accuracy, safety, and style dimensions.

Rodriguez, Kim, Nakamura et al. • July 2025
ACL 2026

Synthetic Data Validation: When AI-Generated Training Data Outperforms Human Curation

We demonstrate conditions under which carefully validated synthetic data achieves superior downstream performance compared to purely human-generated datasets.

Park, Okafor, Singh et al. • March 2026
Why AnnotRift

What makes us different

We're not just another labeling vendor. We're a technology company that happens to employ the world's best annotators.

🧠

Domain expertise, not just labor

Our annotators include PhD researchers, licensed physicians, certified engineers, and native speakers in 80+ languages. They understand your data at a fundamental level.

📊

Quality you can measure

Real-time quality dashboards, inter-annotator agreement metrics, consensus scoring, and contractual accuracy guarantees. No black boxes.

Speed at scale

Process millions of labels per day with sub-24-hour turnaround. Our infrastructure auto-scales workforce allocation based on project demands.

🔐

Enterprise security

SOC 2 Type II, HIPAA, GDPR, ISO 27001. VPC peering, dedicated infrastructure, and geo-fenced annotator access for your most sensitive data.

🔬

Research-backed methodology

Our annotation frameworks are informed by peer-reviewed research. We publish our methods and continuously improve based on empirical evidence.

True partnership

Dedicated customer success managers, custom ontology design, and ongoing optimization. We're invested in your model's success, not just label volume.

Platform

One platform, end-to-end data operations

From raw data ingestion to production-ready training sets — manage your entire data pipeline in one place.

📥

Data Ingestion

Upload from S3, GCS, Azure Blob, or via API. Support for images, video, text, audio, and 3D point clouds up to 100TB per project.

⚙️

Workflow Orchestration

Design multi-stage annotation workflows with conditional routing, quality gates, and automated escalation for edge cases.

AI-Assisted Pre-labeling

Use your models or ours to generate initial labels. Human annotators verify and correct, reducing cost by up to 60%.

Quality Assurance

Multi-reviewer consensus, spot-check sampling, golden set validation, and real-time inter-annotator agreement monitoring.

📊

Analytics & Reporting

Real-time dashboards for project progress, quality metrics, annotator performance, cost tracking, and SLA compliance.

Export & Integration

Export in any format (COCO, Pascal VOC, YOLO, custom JSON). Native integrations with SageMaker, Vertex AI, and Databricks.

Enterprise Security

Your data, protected at every layer

We handle the most sensitive data in AI — from proprietary model outputs to healthcare records. Our security infrastructure is built for the most demanding enterprise requirements.

  • SOC 2 Type II, HIPAA, GDPR, ISO 27001 certified
  • AES-256 encryption at rest, TLS 1.3 in transit
  • VPC peering and dedicated infrastructure options
  • Role-based access control with SSO/SAML
  • Geo-fenced annotator access by country or region
  • Complete audit trail for all data access and modifications
Learn about security →
Security & Compliance Status
🛡️

SOC 2 Type II

🏥

HIPAA

🇪🇺

GDPR

🔒

ISO 27001

✓ All systems operational • Last audit: Feb 2026
Integrations

Works with your existing stack

Native integrations with the tools your ML team already uses. No workflow disruption.

☁️

AWS SageMaker

🔷

Google Vertex AI

🟦

Azure ML

🧱

Databricks

❄️

Snowflake

🐙

GitHub

📦

Hugging Face

🔥

Weights & Biases

Ready to build better AI?

Join 200+ enterprise teams using AnnotRift to power their AI development with high-quality training data.

Start your project View pricing
14 days
Free trial
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<4 hours
Response time