Lettria NLP Studio

Text Mining API

Trained meticulously on our proprietary datasets, our text mining solution delivers 30% better performance* on average over open-source alternatives, while ensuring full transparency and accessibility from day one.

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See how Lettria's Sentiment Analysis outperforms other options

Read a detailed analysis of the performance of the world's most widely used models for sentiment analysis tasks. See how Lettria compares and outperforms the rest.

Read our sentiment analysis benchmark →

Amplify Insights with Sentiment Analysis

Leverage Lettria's Deep Learning-powered Sentiment Analysis, that is 30% more accurate* than a comparable open source model.

Our advanced solution deciphers and quantifies sentiment from -1 to 1 and detects different sentiments in different parts of the same sentence, allowing you to propel informed decisions, optimize brand reputation, and enhance customer experience with actionable insights.

Image showing an analyzed conversation and a report
Image showing an analyzed conversation

Unleash Advanced Emotion Analysis

Empower your business with Lettria's deep learning-powered Emotion Analysis, capable of detecting up to 28 distinct emotions in text. A game-changer for elevating customer satisfaction, gauging public sentiment, and enriching user experiences.

Understand meaning with Entity Recognition

Lettria's Entity Recognition capabilities go way beyond standard open-source NER tools. In the same text, you can recognize regular entities, numeric entities, as well as meanings.

Identify a cappuccino as a "hot beverage" or a MacBook as an "electronic device", while extracting email IDs, phone numbers and scientific measurements from your text. The possibilities are endless.

Image showing an analyzed conversation
The key to any successful data science project is the data collection phase.

Patrick Duvaut

Head of Innovation

The key to any successful data science project is the data collection phase.

Patrick Duvaut

Head of Innovation

The key to any successful data science project is the data collection phase.

Patrick Duvaut

Head of Innovation

More modules
Our Suite of Superior NLP Modules

Unlock the potential of Natural Language Processing with Lettria's suite of high-performing NLP modules.
Designed to deliver comprehensive linguistic analysis, these tools can transform your text data into meaningful insights.

Proposition Detection

Reveal underlying propositions, bringing depth to your text analysis.

Syntax Analysis

Unpack the grammatical structure of your text with detection of lemmas, POS tags, and dependency tags.

Language Detection

Identify the primary language of any text, bolstering your global communication efforts.

Sentence Type Detection

Classify sentence types for a more nuanced understanding of content.

The most comprehensive
labeling platform

Coreference Extraction

Decode textual relationships by identifying parts of the text that refer to one another.

See the Text Mining API in action

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*30% more accurate when comparing F1 scores of the best HuggingFace model and Lettria’s model, on a dataset of 20,000 customer reviews generated by GPT. Lettria’s model attained a 94% F1 score, which is a 30% increase over the best HuggingFace model, which attained 75%.