LXT

Scale AI development with high-quality, human-aligned training data across 1,000+ language locales for text, speech, and multimodal model fine-tuning.

Paid only

Price not published

About LXT

LXT provides comprehensive AI data solutions designed to support the entire lifecycle of model development, from initial data collection to post-deployment evaluation. The platform specializes in creating customized, scalable data pipelines for text, speech, image, and video, catering to complex AI systems including Large Language Models (LLMs), natural language processing, and computer vision. By bridging the gap between raw data and machine-readable insights, LXT helps organizations build foundational datasets that are linguistically and contextually accurate. The tool operates through a massive managed global crowd of over 8 million vetted contributors across 150 countries. This infrastructure allows LXT to offer highly specialized services such as Reinforcement Learning from Human Feedback (RLHF), Supervised Fine-Tuning (SFT), and LLM Red-Teaming. These processes are essential for aligning generative AI outputs with human preferences and ensuring safety through rigorous bias testing and risk evaluation. Their technical capabilities also extend to transcription, entity tagging, sentiment analysis, and complex image segmentation with high precision. LXT is primarily built for enterprise-level organizations, including Fortune 100 leaders in the technology, finance, automotive, and healthcare sectors. It is particularly effective for teams requiring global reach, as it supports more than 1,000 language locales and dialects. The platform provides flexible engagement models, allowing users to choose between a fully managed service or a Crowd-as-a-Service model integrated via API, making it adaptable to various project sizes and internal workflows. What distinguishes LXT from automated data labeling tools is its deep emphasis on human-in-the-loop precision and security. With five ISO 27001-certified secure facilities and full GDPR compliance, the company can handle sensitive data that automated systems might misinterpret or expose. Their background in linguistics and phonetics gives them a unique advantage in speech data collection and benchmarking, where they maintain high data acceptance rates for industry-leading technology companies.

LXT pros & cons

Pros

Covers a massive geographic range with support for 1,000+ language locales.
Access to a diverse global crowd of over 8 million vetted contributors.
Maintains high security standards with ISO 27001 certification and GDPR compliance.
Specialized workflows for advanced generative AI safety and model alignment.
High data quality with a 99% acceptance rate for enterprise video projects.

Cons

Pricing is not transparent and requires direct contact for custom quotes.
Optimized for enterprise scale which may be overkill for solo developers.
On-site data collection is limited to their five secure facility locations.

LXT use cases

AI Research Teams can source domain-specific datasets in multiple dialects to train LLMs for global markets.
Automotive Manufacturers can utilize video annotation to train computer vision systems for autonomous vehicle safety.
E-commerce Providers can use search relevance evaluation to improve product discovery and classification accuracy.
Speech Technology Developers can leverage high-volume audio transcription to build recognition services for rare languages.
Compliance Officers can use red-teaming services to stress-test AI models for bias and ethical risks before launch.

LXT features

transcription services
supervised fine-tuning (sft)
iso 27001 secure facilities
search relevance evaluation
llm red-teaming
rlhf alignment
expert data annotation
multimodal data collection

LXT pricing

Is LXT free? No, LXT doesn't offer a free plan.

Enterprise

Price varies

Data collection in 1,000+ locales
RLHF and SFT workflows
LLM red-teaming
ISO 27001 certified facilities
Multimodal data annotation
Dedicated project management
99%+ data acceptance rates
API/Crowd-as-a-Service options

LXT FAQs

What modalities does LXT support for data collection?

LXT supports text, audio, image, and video data collection, providing the necessary foundation for training NLP, speech recognition, and computer vision models.

How does LXT ensure the safety of generative AI models?

LXT provides specialized evaluation services including LLM red-teaming and safety tests to identify bias and risks, feeding these insights back into the alignment process.

Does LXT comply with international security standards?

Yes, the platform is ISO 27001-certified and fully GDPR compliant, operating through five secure facilities for high-sensitivity data processing.

Can LXT handle data transcription in multiple languages?

LXT offers transcription services for audio, video, and documents in over 1,000 language locales, utilizing a global crowd for high-volume delivery.

What is the typical quality standard for LXT projects?

The platform utilizes built-in QA processes like gold tasks and multi-pass reviews, achieving a 99%+ data acceptance rate on enterprise-level projects.

Open roles

All AI jobs

LXT

Korean - Data Entry Clerk (Transcriber)

operations onsite Mississauga, CA$22 Hourly - $29 Hourly contract

Benefits:

Medical Insurance
Competitive Incentive Program

Experience Requirements:

Entry-level

Other Requirements:

Be 18+ years old
Legally eligible to work in Canada
Fluent/Native in Korean
Passing background checks

Responsibilities:

Listening and transcribing audio or video files
Data classification and data labeling
Ability to meet deadlines and daily KPIs
Follow instructions, quality standards, and productivity requirements

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LXT

Indonesian - Data Entry Clerk (Transcriber)

operations onsite Montreal, CA$20 Hourly - $27 Hourly contract