AI Data Solutions for
Your Entire AI Lifecycle

Customized, scalable data pipelines for AI training data, model fine-tuning, and evaluation – across text, speech, image, and video, supporting GenAI, NLP, speech, vision, and multimodal systems.

Trusted by Fortune 100 leaders

8M+ global contributors

1,000+ language locales

150+ countries

5 secure facilities

ISO 27001-certified

What Makes AI Work?
High-Quality, Human-Aligned Data.

Your models are only as good as the data behind them. With over 20 years of experience and deep specialization in language and speech data, LXT delivers expertly sourced, annotated, and evaluated datasets – tailored to your use case and model type.

Explore our full suite of AI Data Solutions across the complete AI lifecycle:

Data Collection Services

Gather diverse, high-quality data to train models across modalities – text, audio, image, and video. Our managed global crowd deliver accurate datasets for even the most complex AI use cases.

Data Annotation Services

Transform raw data into machine-readable insights with expert human labeling and classification. From entity tagging and sentiment analysis to bounding boxes and segmentation, our annotation workflows ensure precision for every AI model.

Data Evaluation Services

Ensure your AI performs safely, fairly, and accurately – from validating training datasets to evaluating model outputs post-deployment. Our human evaluators provide the critical feedback loop that keeps your models trustworthy and compliant.

Transcription Services

Convert speech, video, image, and document content into structured, accurate text data for AI training and analytics. Available in 1,000+ language locales with secure, high-volume delivery options.

Generative AI Services

Specialized services tailored for large language models (LLMs) and multimodal GenAI workflows – built on LXT’s core capabilities in data collection, annotation, and evaluation. From prompt creation to model alignment, we help you build safer, smarter GenAI systems.

How LXT helps you train, align, and evaluate your LLM

1. Data Collection & Pre-Training

It starts with the right data. We source and create high-quality, domain-specific datasets to build your LLM’s linguistic and contextual foundation.

2. Supervised Fine-Tuning & RLHF

Teach your model how to behave. Our experts craft instruction–response pairs and apply RLHF to align model outputs with human preferences.

3. Evaluation & Alignment Feedback

Test and refine model behavior. We run red teaming, safety tests, and expert reviews to surface bias or risk — feeding insights back into training.

4. Human-Aligned LLM

Deploy with confidence. The result: a reliable, safe, and high-performing LLM — trained and evaluated by humans at scale.

Why choose LXT AI Data Solutions for your most critical AI Projects

Trusted by global AI leaders for scale, precision, and secure delivery.

Global Scale You Can Count On

8M+ vetted contributors in 150+ countries
1,000+ language locales covered
250K+ domain experts across industries
Multimodal data capture: audio, image, video, text
On-site or remote data collection options

Enterprise-Ready Quality & Compliance

5 ISO 27001–certified secure facilities
GDPR compliant
Built-in QA: gold tasks, multi-pass reviews, real-time analytic
Human-in-the-loop by default
99%+ data acceptance rates on enterprise project

Deep Expertise in High-Impact Use Cases

AI data partner to top 10 global tech companies
Specialized in speech, linguistics, and transcription
Advanced speech workflows: phonetics, dialects, benchmarking
Industry-aligned solutions: tech, finance, automotive, healthcare
Evaluation pipelines built for safety, fairness, and compliance

Flexible Engagement Models

Managed Service or Crowd-as-a-Service (API/self-managed)
Seamless integration with your tools and workflows
Custom workflows for fine-tuning, red-teaming, validation
Scales from pilot to global delivery – fast

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Flexible Engagement Models for Enterprise AI

We offer you multiple ways to work with us, so you can choose the engagement model that best fits your organization and project requirements.

Managed Services

Fully managed end-to-end delivery of AI data projects by LXT AI experts – from project design to QA and secure delivery.

Crowd-as-a-Service (CaaS)

Flexible access to LXT’s + clickworker’s global crowd through API or platform integration, managed directly by the client.

Crowd Workforce

Global managed workforce
8M+ vetted contributors
150+ countries
1,000+ locales

Secure Facilities

5 global secure facilities
1000+ dedicated inhouse specialists
ISO 27001–certified

Real-world Applications of LXT’s AI Data Solutions

Whether you're building conversational agents, vision systems, or multimodal GenAI models – LXT provides the specialized training data to develop, fine-tune, optimize, and scale your AI solutions.

Generative AI

Ensure safer, more reliable GenAI models with high-quality, human-reviewed data for training, fine-tuning, and evaluation – across text, image, audio, and video.

Agentic AI

Deliver lifelike autonomy with training data for embodied AI agents that move, see, and respond like humans – enabling advanced AR, VR, and robotics systems.

Computer Vision

Train vision models to detect, segment, and understand the visual world using high-volume, expertly annotated image and video datasets.

Speech & NLP

Power multilingual AI systems with diverse, high-quality speech and text data across 1,000+ languages, dialects, and acoustic environments.

Case studies - How AI Leaders Use LXT

From Fortune 100s to global innovators – explore how LXT helps enterprises deploy better AI with better data.

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Ready to accelerate your AI with better data?

Talk to our team about your use case – whether you need high-sensitivity transcription, real-time data collection, or multilingual model tuning.
We’ll show you how LXT can deliver the scale, quality, and security your AI demands.

Start your project