Expert human intelligence integrated seamlessly into your AI systems
Enhance your machine learning models with precise human feedback, validation, and continuous improvement at enterprise scale.
Why leading AI teams choose LXT for human-in-the-loop services
Global Expertise
Access to over 7 million contributors and 250,000+ domain specialists across 150+ countries, providing diverse perspectives and cultural contexts for your AI systems.
Large, Qualified Workforce
Our extensive network of trained annotators, validators, and subject matter experts ensures high-quality human insights that enhance AI performance across industries.
Advanced Integration
Seamless API integration and custom workflows that embed human intelligence directly into your ML pipelines, from training to production monitoring.
Fast & Flexible
Projects scale from small validation tasks to enterprise-wide AI enhancement programs, with secure workflows and rapid deployment capabilities.
Quality Assured
Rigorous multi-layer validation, expert oversight, and continuous quality monitoring. ISO 27001, SOC 2, GDPR, HIPAA compliant infrastructure.
Custom-Built Solutions
Tailored human-in-the-loop systems designed for your specific use cases: content moderation, data annotation, model validation, or decision support.
Scalable, expert-led human intelligence for AI enhancement
LXT provides comprehensive human-in-the-loop services designed to amplify your AI capabilities and ensure reliable, accurate machine learning systems.
Our global network delivers high-quality human insights that bridge the gap between automated processes and nuanced understanding. Across languages, cultures, and complex scenarios that require human judgment.
From data annotation to real-time model validation, every service is delivered with enterprise-grade security and precision, ensuring your AI systems are trained on accurate, unbiased, and regulation-compliant inputs.
Our human in the loop (HITL) services at a glance
Data Annotation & Labeling
Precise annotation of text, images, audio, and video data with expert human oversight. Our specialists handle complex labeling tasks including sentiment analysis, entity recognition, bounding boxes, and semantic segmentation to create training-ready datasets.
Content Moderation
Real-time and batch content review across platforms, languages, and media types. Our trained moderators apply nuanced judgment to filter harmful, inappropriate, or policy-violating content while preserving legitimate user expression.
Model Validation & Testing
Comprehensive evaluation of AI model outputs through diverse human perspectives. Expert reviewers test model predictions across edge cases, demographic groups, and real-world scenarios to identify biases and performance gaps.
Search Relevance Evaluation
Human assessment of search results, recommendation systems, and information retrieval accuracy. Our evaluators ensure your AI delivers relevant, helpful, and contextually appropriate results to users.
How our human-in-the-loop process works
Our workflows are designed to seamlessly integrate human intelligence into your AI systems with complete transparency, quality control, and scalability. From initial consultation to ongoing optimization, LXT manages every step with precision.
Contact us to discuss your AI challenges, model performance goals, and specific human intelligence needs. We'll analyze your use case and prepare a tailored proposal with custom implementation plans.
We design custom human-in-the-loop workflows, define quality standards, configure API integrations, and establish secure protocols tailored to your technical requirements and compliance needs.
A small-scale pilot validates our approach with your data and systems. Together, we review results, fine-tune processes, and optimize workflows before full deployment.
Qualified contributors are selected and trained on your specific requirements, tools, and quality standards. Domain experts receive additional certification for specialized tasks.
Human intelligence is integrated into your AI systems at scale, with real-time quality monitoring, performance tracking, and continuous optimization based on results.
All outputs are delivered through encrypted channels, APIs, or secure environments with enterprise-grade data protection and audit trails.
Ongoing analysis of human feedback patterns helps refine your AI models, with regular updates and expanded capabilities as your systems evolve.
Quality & security in human-in-the-loop services
Managing AI-human collaboration requires the highest standards of accuracy, security, and compliance. LXT applies rigorous quality control and enterprise-grade protection throughout your human-in-the-loop projects.
Expert Contributor Selection
Participants are carefully vetted and matched to project requirements based on expertise, language skills, cultural background, and domain knowledge.
Enterprise Compliance
All work is conducted under ISO 27001–certified infrastructure and fully compliant with SOC 2, GDPR, HIPAA, and industry-specific regulations.
Specialized Training
Contributors complete comprehensive onboarding and certification programs tailored to your project requirements, ensuring consistency and quality across all tasks.
Data privacy & confidentiality
We sign NDAs and follow strict privacy protocols. Sensitive projects can be processed in secure facilities with controlled access, VPN, or VPC environments.
Multi Layer Quality Assurance
Every task undergoes multiple validation steps including automated checks, peer review, expert audits, and statistical quality monitoring to ensure accuracy and reliability.
Secure infrastructure
Data is transferred via encrypted channels and stored under restricted access, with options for on-premises delivery.
Industries & use cases for human-in the-loop services
Human-in-the-loop solutions enhance AI systems across industries, ensuring accuracy, fairness, and reliability in production environments. LXT delivers the human intelligence you need to build trustworthy, compliant AI applications.
Technology & Social Media
Content moderation, search quality evaluation, recommendation system optimization, and user experience enhancement for platforms and applications.
Healthcare & Life Sciences
Medical image annotation, clinical data validation, drug discovery support, and AI-assisted diagnostic system validation with expert medical oversight.
Financial Services
Fraud detection validation, risk assessment enhancement, document processing verification, and regulatory compliance monitoring for fintech applications.
Automotive
Autonomous vehicle training data annotation, edge case validation, traffic scenario labeling, and safety system testing for self-driving technologies.
Retail & eCommerce
Product categorization, review sentiment analysis, recommendation system tuning, and customer service AI enhancement for better shopping experiences.
Government & Public Sector
Document processing validation, citizen service optimization, policy compliance monitoring, and public safety AI system enhancement.
FAQs on our human in the loop (HITL) services
Yes. We sign comprehensive NDAs and apply strict privacy protocols. Sensitive projects can be processed in secure facilities with restricted access, air-gapped networks, or your own infrastructure.
Contributors undergo rigorous selection, specialized training, and ongoing quality monitoring. Multi-layer validation including peer review and expert audits ensures consistent, high-quality results.
Yes. Our platform offers flexible API integration, custom workflows, and seamless connection with popular ML frameworks, ensuring smooth integration with your existing systems.
We support all major AI applications including computer vision, NLP, recommendation systems, content moderation, search relevance, autonomous systems, and specialized domain applications.
Our global network allows rapid scaling from pilot projects to enterprise-wide deployments. Timeline depends on complexity, but most projects can scale within days to weeks.
Further AI enhancement services
Expand your AI capabilities with our comprehensive suite of AI training and validation services:
Data Evaluation
Comprehensive assessment and validation of training datasets for quality, bias detection, and compliance.
Search relevance
Human evaluation of search results, recommendation algorithms, and information retrieval systems.
Data collection
A single access point to scope and launch multimodal projects – spanning text, audio, video, image, and more.
Video data collection
Short clips and longer recordings capturing human motion, interactions, and environments for advanced computer vision.
Audio data collection
Speech and sound datasets gathered across languages, accents, and contexts – ideal for assistants, transcription, and analytics.
Image data collection
Curated image sets of people, objects, and scenes in varied conditions – powering recognition and detection systems.