LX Topics

Measure what consumers talk about

What consumers write also reveals what they care about. LX Topics converts consumer text into clear, research-grade topics, revealing what consumers discuss and care about.

What you can discover

Core topics

What consumers talk about across products, services, and experiences

Topic differences

How topics vary by sentiment, segment, or context

Topic evolution

How consumer topics change over time and where new topics emerge

How it works

1

Prepare your data

.csv with text column

2

Upload your file

Select dataset and text column (max 5MB)

3

Select topic settings

Let LX determine the number of topics or choose yourself

4

Receive your results

secure .csv via email

Try LX Topics

Ready to discover themes? Follow our secure multi-step process to upload your text data and receive research-grade topic insights.

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How to use LX Topics

  • Upload a .csv file with unstructured text
  • Configure topic discovery parameters
  • Verify your identity with a secure code
  • Advanced neural topic modeling (LLM-ITL)

Important Guidelines

  • • Ideal for 5,000+ rows of text
  • • Secure email verification required
  • • Files deleted immediately after use
  • • Results stored for 7 days
Security Verification

Data Security & Privacy

Immediate input file deletion after LX processing is complete

Secure storage of Output File for 7 days, then deleted

Confidentiality (no reuse or sharing)

Research foundations

If you use LX Topics in academic research, please cite:

  • Ludwig, Stephan, Peter J. Danaher, and Xiaohao Yang. "A Neural Topic Method Using a Large-Language-Model-in-the-Loop for Business Research." arXiv preprint arXiv:2603.03623 (2026).

    → Read the paper