Compare the Top On-Premises Natural Language Processing Software as of October 2025

What is On-Premises Natural Language Processing Software?

Natural language processing (NLP) software analyzes both written and spoken human languages and interprets them for translation, deep learning and automation purposes. Natural language processing software may also include natural language understanding (NLU) capabilities. Compare and read user reviews of the best On-Premises Natural Language Processing software currently available using the table below. This list is updated regularly.

  • 1
    kama DEI

    kama DEI

    kama.ai

    kama.ai is a Responsible AI Agent platform that blends knowledge graph AI with advanced generative models for trustworthy Hybrid AI Agents. It empowers industries such as finance, education, healthcare, and Indigenous services with culturally aware, ethical, and accurate AI. By incorporating human governed-in-advance processes and information, kama.ai lowers the barriers for enterprise AI Agent adoption, making sure organizations gain efficiency without risking reliability and reputation. Our Virtual Agents support your organization over website chat interfaces, Facebook Messenger, smart speakers, or from within mobile applications. Ultimately, we get the right information, to the right people, at the right time. That increases client engagement, 24x7, and builds your brand's credibility, trust, and loyalty. When it’s got be right, it’s got to be kama.ai.
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    Starting Price: $399 per month (plus setup)
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  • 2
    LM-Kit.NET
    The on-device NLP Toolkit for .NET processes large text volumes privately and instantly. It never sends data to the cloud. Core features include multilingual sentiment analysis, emotion and sarcasm detection, custom text classification, keyword extraction, and semantic embeddings for deep context. Dynamic sampling uses both CPU and GPU resources for maximum speed and efficiency.
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    Starting Price: Free (Community) or $1000/year
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  • 3
    Quaeris

    Quaeris

    Quaeris, Inc.

    Align analytics to your everyday business workflows. Your business relies on people, data and documents, but the process of using them is broken. QuaerisAI enables seamless downstream workflows across your People, Documents and Data Assets. Use natural language search on data, documents and collaborate in private or within Communities - all in one platform! QuaerisAI offers time savings of at-least 30 minutes to an hour/day/resource - imagine the productivity enhancements you give your users without the expense of buying and consolidating a bunch of AI tools. Quaeris can be rolled out to team of 10s or 1000s of users seamlessly within a matter of days - without much need of IT, and that is why IT & data teams love us!
    Starting Price: $100 per month
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  • 4
    Speechmatics

    Speechmatics

    Speechmatics

    Best-in-Market Speech-to-Text & Voice AI for Enterprises. Speechmatics delivers industry-leading Speech-to-Text and Voice AI for enterprises needing unrivaled accuracy, security, and flexibility. Our enterprise-grade APIs provide real-time and batch transcription with exceptional precision—across the widest range of languages, dialects, and accents. Powered by Foundational Speech Technology, Speechmatics supports mission-critical voice applications in media, contact centers, finance, healthcare, and more. With on-prem, cloud, and hybrid deployment, businesses maintain full control over data security while unlocking voice insights. Trusted by global leaders, Speechmatics is the top choice for best-in-class transcription and voice intelligence. 🔹 Unmatched Accuracy – Superior transcription across languages & accents 🔹 Flexible Deployment – Cloud, on-prem, and hybrid 🔹 Enterprise-Grade Security – Full data control 🔹 Real-Time & Batch Processing – Scalable transcription
    Starting Price: $0 per month
  • 5
    Graphlogic GL Platform
    Graphlogic Conversational AI Platform consists on: Robotic Process Automation (RPA) and Conversational AI for enterprises, leveraging state-of-the-art Natural Language Understanding (NLU) technology to create advanced chatbots, voicebots, Automatic Speech Recognition (ASR), Text-to-Speech (TTS) solutions, and Retrieval Augmented Generation (RAG) pipelines with Large Language Models (LLMs). Key components: - Conversational AI Platform - Natural Language understanding - Retrieval augmented generation or RAG pipeline - Speech-to-Text Engine - Text-to-Speech Engine - Channels connectivity - API builder - Visual Flow Builder - Pro-active outreach conversations - Conversational Analytics - Deploy everywhere (SaaS / Private Cloud / On-Premises) - Single-tenancy / multi-tenancy - Multiple language AI
    Starting Price: $75/1250 MAU/month
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    Mistral AI

    Mistral AI

    Mistral AI

    Mistral AI is a pioneering artificial intelligence startup specializing in open-source generative AI. The company offers a range of customizable, enterprise-grade AI solutions deployable across various platforms, including on-premises, cloud, edge, and devices. Flagship products include "Le Chat," a multilingual AI assistant designed to enhance productivity in both personal and professional contexts, and "La Plateforme," a developer platform that enables the creation and deployment of AI-powered applications. Committed to transparency and innovation, Mistral AI positions itself as a leading independent AI lab, contributing significantly to open-source AI and policy development.
    Starting Price: Free
  • 7
    Cohere

    Cohere

    Cohere AI

    Cohere is an enterprise AI platform that enables developers and businesses to build powerful language-based applications. Specializing in large language models (LLMs), Cohere provides solutions for text generation, summarization, and semantic search. Their model offerings include the Command family for high-performance language tasks and Aya Expanse for multilingual applications across 23 languages. Focused on security and customization, Cohere allows flexible deployment across major cloud providers, private cloud environments, or on-premises setups to meet diverse enterprise needs. The company collaborates with industry leaders like Oracle and Salesforce to integrate generative AI into business applications, improving automation and customer engagement. Additionally, Cohere For AI, their research lab, advances machine learning through open-source projects and a global research community.
    Starting Price: Free
  • 8
    Clarifai

    Clarifai

    Clarifai

    Clarifai is a leading AI platform for modeling image, video, text and audio data at scale. Our platform combines computer vision, natural language processing and audio recognition as building blocks for developing better, faster and stronger AI. We help our customers create innovative solutions for visual search, content moderation, aerial surveillance, visual inspection, intelligent document analysis, and more. The platform comes with the broadest repository of pre-trained, out-of-the-box AI models built with millions of inputs and context. Our models give you a head start; extending your own custom AI models. Clarifai Community builds upon this and offers 1000s of pre-trained models and workflows from Clarifai and other leading AI builders. Users can build and share models with other community members. Founded in 2013 by Matt Zeiler, Ph.D., Clarifai has been recognized by leading analysts, IDC, Forrester and Gartner, as a leading computer vision AI platform. Visit clarifai.com
    Starting Price: $0
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    NLSQL

    NLSQL

    NLSQL

    NLSQL is a cutting-edge B2B SaaS platform designed to empower employees by transforming natural language into actionable business data through an intuitive text-based interface. By leveraging Natural Language Processing (NLP), NLSQL enables users to query corporate databases using plain English, streamlining decision-making and accelerating operational efficiency. As the first NLP-to-SQL API of its kind, NLSQL allows seamless integration within existing enterprise systems without the need to transfer any sensitive or confidential information outside the corporate IT environment. This ensures robust data security and compliance with industry regulations. With NLSQL, companies benefit from faster insights, reduced reliance on technical teams for report generation, and improved accessibility to data across departments. The platform is ideal for large enterprises seeking to enhance productivity, boost data-driven culture, and maintain complete control over internal information flow.
    Starting Price: $987/month/unlimited users
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    MeaningCloud

    MeaningCloud

    MeaningCloud

    MeaningCloud is the easiest, most powerful, and most affordable way to extract the meaning from unstructured content: documents, articles, social conversations, web content, etc. We provide text analytics products to extract the most accurate insights from any content in many languages. And we do it SaaS and On-prem. We work for different industries (pharma, finance, media, retail, hospitality, telco, etc.) developing personalized and industry-oriented solutions.  Pay only for what you use, without any activation fees, minimum time commitment and with the most generous free plan of the market. If you don't like it, you can stop using it, just like that. Without software to install or infrastructure to deploy. All the reliability and scalability of solutions in the cloud, and the possibility of testing it for free.
    Starting Price: $99 per month
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    TextRazor

    TextRazor

    TextRazor

    The TextRazor API helps you extract and understand the Who, What, Why and How from your news stories with unprecedented accuracy and speed. Entity Extraction, Disambiguation and Linking. Keyphrase Extraction. Automatic Topic Tagging and Classification. All in 12 languages. Deep analysis of your content to extract Relations, Typed Dependencies between words and Synonyms, enabling powerful context aware semantic applications. Rapidly extract custom products, companies and build problem specific rules for tagging your content with your own categories. TextRazor offers a complete cloud or self-hosted text analysis infrastructure. We combine state-of-the-art natural language processing techniques with a comprehensive knowledgebase of real-life facts to help rapidly extract the value from your documents, tweets or web pages.
    Starting Price: $200 per month
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    SimpleX

    SimpleX

    Simple Decisions

    Handle text data with a no-code console that can read natural language. Never again with a spreadsheet. Spreadsheets have no clue about words meaning and languages. You do, and SimpleX does too. No complicated queries nor machine learning gibberish. A.I. is well hidden behind a simple and intuitive UI. Analyze 10x faster free text answers. Import, tag, categorize, and filter hundreds of quotes in seconds. Our A.I. does all the heavy lifting for you. Instant treemaps or word clouds, ready to be pasted in your presentation. And tidy exports with all the right insights. Understands and processes natively 50 languages, even mixed up. Deals with up to 10k text answers such as quotes, feedback, comments, and reviews. Extracts insights 10 times faster thanks to AI-powered analytical features. Performs in real-time time-consuming tasks you thought only humans could do. Sophisticated AI is a simple & friendly solution.
    Starting Price: €6 per month
  • 13
    NLP Cloud

    NLP Cloud

    NLP Cloud

    Fast and accurate AI models suited for production. Highly-available inference API leveraging the most advanced NVIDIA GPUs. We selected the best open-source natural language processing (NLP) models from the community and deployed them for you. Fine-tune your own models - including GPT-J - or upload your in-house custom models, and deploy them easily to production. Upload or Train/Fine-Tune your own AI models - including GPT-J - from your dashboard, and use them straight away in production without worrying about deployment considerations like RAM usage, high-availability, scalability... You can upload and deploy as many models as you want to production.
    Starting Price: $29 per month
  • 14
    Komprehend

    Komprehend

    Komprehend

    Komprehend AI APIs are the most comprehensive set of document classification and NLP APIs for software developers. Our NLP models are trained on more than a billion documents and provide state-of-the-art accuracy on most common NLP use cases such as sentiment analysis and emotion detection. Try our free demo now and see the effectiveness of our Text Analysis API. Maintains high accuracy in the real world, and brings out useful insights from open-ended textual data. Works on a variety of data, ranging from finance to healthcare. Supports private cloud deployments via Docker containers or on-premise deployment ensuring no data leakage. Protects your data and follows the GDPR compliance guidelines to the last word. Understand the social sentiment of your brand, product, or service while monitoring online conversations. Sentiment analysis is contextual mining of text which identifies and extracts subjective information in the source material.
    Starting Price: $79 per month
  • 15
    Spark NLP

    Spark NLP

    John Snow Labs

    Experience the power of large language models like never before, unleashing the full potential of Natural Language Processing (NLP) with Spark NLP, the open source library that delivers scalable LLMs. The full code base is open under the Apache 2.0 license, including pre-trained models and pipelines. The only NLP library built natively on Apache Spark. The most widely used NLP library in the enterprise. Spark ML provides a set of machine learning applications that can be built using two main components, estimators and transformers. The estimators have a method that secures and trains a piece of data to such an application. The transformer is generally the result of a fitting process and applies changes to the target dataset. These components have been embedded to be applicable to Spark NLP. Pipelines are a mechanism for combining multiple estimators and transformers in a single workflow. They allow multiple chained transformations along a machine-learning task.
    Starting Price: Free
  • 16
    Azure Text Analytics
    Mine insights in unstructured text using NLP—no machine-learning expertise required—using text analytics, a collection of features from Cognitive Service for Language. Gain a deeper understanding of customer opinions with sentiment analysis. Identify key phrases and entities such as people, places, and organizations to understand common topics and trends. Classify medical terminology using domain-specific, pretrained models. Evaluate text in a wide range of languages. Identify important concepts in text, including key phrases and named entities such as people, events, and organizations. Examine what customers are saying about your brand and analyze sentiments around specific topics through opinion mining. Extract insights from unstructured clinical documents such as doctors' notes, electronic health records, and patient intake forms using text analytics for health.
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    Botpress

    Botpress

    Botpress

    The Leading Conversational AI Platform for Enterprise Automation. Botpress is a flexible, fully on-premise conversational platform for enterprises to automate conversations & workflows. Our NLU technology significantly outperforms the competitors and leads to much higher levels of customer satisfaction. Built-in collaboration with large enterprises. Whether you are a Bank or the National Defence, we got you covered. Botpress has been battle-tested by thousands of developers. You can trust it's been proven to be flexible, secure and highly scalable. With Botpress, you won’t need to hire PhD’s for your conversational projects. Our job is to keep track of the latest state-of-the-art research papers in the various fields of NLP, NLU & NDU and to deliver that in a product that non-technical people can use seamlessly. It just works.
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    Lexalytics

    Lexalytics

    Lexalytics

    Integrate our text analytics APIs to add world-leading NLP into your product, platform, or application. The most feature-complete NLP feature stack on the market, 19 years in development and constantly being improved with new libraries, configurations, and models. Determine whether a piece of writing is positive, negative, or neutral. Sort and organize documents into customizable groups. Determine the expressed intent of customers and reviewers. Find people, places, dates, companies, products, jobs, titles, and more. Deploy our text analytics and NLP systems across any combination of on-premise, private cloud, hybrid cloud, and public cloud infrastructure. Our core text analytics and natural language processing software libraries are at your command. Suitable for data scientists and architects who want complete access to the underlying technology or who need on-premise deployment for security or privacy reasons.
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    Salience

    Salience

    Lexalytics

    Text analytics and NLP software libraries for on-premise deployment or integration. Integrate Salience into your enterprise business intelligence architecture or white label it inside your own data analytics product. Salience can process 200 tweets per second while scaling from single process cores to entire data centers with a small memory footprint. Use Java, Python, .NET/C# bindings for higher level ease or the native C/C++ interface for maximum speed. Enjoy full access to the underlying technology. Tune every text analytics function and NLP feature, from tokenization and part of speech tagging to sentiment scoring, categorization, theme analysis, and more. Built on a pipeline model of NLP rules and machine learning models. When issues arise, see exactly where they are in the pipeline. Adjust specific features without disrupting the larger system. Salience runs entirely on your servers while staying flexible enough to offload insensitive data to cloud servers.
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    Twixor

    Twixor

    Twixor

    Run multiple campaigns across channels like WhatsApp, Facebook Messenger, Google Business Messaging, and more. Reap sales benefits by building the conversational flow, publishing omnichannel, and analyzing each report to hit the target. Engage and deliver meticulous responses to consumers in the form of rich snippets while customizing them to fit any scenario. Enrich customer experience by populating and intuitively visualizing data. Powered your conversations with an AI chatbot that keeps getting smarter every time. Auto-segment inquiries to the right agent, trigger handoffs when needed, and take complete control over your customer support management. Intelligent assistants automatically identify each user’s intent using NLP and respond back with intent-specific solutions. The response uses pattern recognition and metadata extraction from the service providers or databases. Keep track of everything happening across your channels to maintain an optimum customer relationship.
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    BLOOM

    BLOOM

    BigScience

    BLOOM is an autoregressive Large Language Model (LLM), trained to continue text from a prompt on vast amounts of text data using industrial-scale computational resources. As such, it is able to output coherent text in 46 languages and 13 programming languages that is hardly distinguishable from text written by humans. BLOOM can also be instructed to perform text tasks it hasn't been explicitly trained for, by casting them as text generation tasks.
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    GlazeGPT

    GlazeGPT

    GlazeGPT

    Describe your workflows using everyday language, and let GlazeGPT handle the complexities. Read, write, and edit data from multiple sources - PostgreSQL, MySQL. Connect with your favorite tools, apps, and databases to create efficient, automated processes.
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    Tune AI

    Tune AI

    NimbleBox

    Leverage the power of custom models to build your competitive advantage. With our enterprise Gen AI stack, go beyond your imagination and offload manual tasks to powerful assistants instantly – the sky is the limit. For enterprises where data security is paramount, fine-tune and deploy generative AI models on your own cloud, securely.
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