Best Natural Language Processing Software

Compare the Top Natural Language Processing Software as of May 2025

What is 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 Natural Language Processing software currently available using the table below. This list is updated regularly.

  • 1
    Cogito

    Cogito

    Cogito Tech LLC

    Cogito Tech is a leading AI data solutions provider specializing in data labeling and annotation services. We deliver high-quality data for applications across computer vision, natural language processing (NLP), and content services. Our expertise extends to fine-tuning large language models (LLMs) through techniques like Reinforcement Learning from Human Feedback (RLHF), enabling rapid deployment and customization to meet business objectives. The company is headquartered in the United States and was featured in The Financial Times’ FT ranking: The Americas’ Fastest-Growing Companies 2025 and Everest Group’s report Data Annotation and Labeling (DAL) Solutions for AI/ML PEAK Matrix® Assessment 2024 Services offered by Cogito: • Image Annotation Service • AI-assisted Data Labeling Service • Medical Image Annotation • NLP & Audio Annotation Service • ADAS Annotation Services • Healthcare Training Data for AI • Audio & Video Transcription Services
    Starting Price: $25/Hour
  • 2
    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
  • 3
    Ginger

    Ginger

    Ginger Software

    Ginger Software is an award-winning productivity-focused company that helps you write faster and better, thanks to grammar checker, punctuation, and spell checker tools which automatically detect and correct misused words and grammar mistakes. With Ginger, the AI-powered writing assistant, correct your texts, improve your style and boost your creativity. Ginger goes beyond spelling and grammar. It takes into account full sentences to suggest context-based corrections. This drastically speeds up your writing - especially for long emails or documents! Let the magic of Ginger’s AI suggest inspiring alternatives for conveying your intended message. It’s particularly useful for streamlining wordy sentences. Double-click a word on any website to enjoy a rich variety of synonyms and expressions to find the perfect match.
    Starting Price: $20.97/month
  • 4
    Tisane

    Tisane

    Tisane Labs

    Tisane is NLU API with a focus on abusive content and law enforcement needs. Tisane detects: * hate speech * cyberbullying * criminal activity * sexual advances * attempts to establish external contact and more. Tisane classifies the actual issue, and pinpoints the offending text fragment; optionally, explanation can be supplied for a sanity check or audit purposes. Tisane supports 30 languages, even if the text contains slang and obfuscation.
  • 5
    Sphinx iQ3

    Sphinx iQ3

    Le Sphinx

    Sphinx iQ 3 is the intuitive and efficient multi-channel survey solution to support you at every stage of your projects: from the design of your questionnaires to the analysis of results and their communication. Combining quantitative and qualitative approaches to data visualization, Sphinx iQ 3 makes your data speak to obtain a vision of results that is as synthetic as it is rich and precise. Sphinx iQ 3, is the innovative solution to get the most out of your studies and guide your decisions. Individualize your invitation messages. Develop your tailor-made forms (design, number of questions per page, types of questions, thank you message, etc.). Ask the right question to the right contact by scripting your form with conditional questions and referrals. Distribute dynamic and interactive questionnaires with a display adapted to different media, computers, tablets, smartphones, etc. for a better user experience (responsive design).
  • 6
    Blox.ai

    Blox.ai

    Blox.ai

    Business data is usually present in different formats, across sources. A lot of business data is unstructured and semi-structured. IDP (Intelligent Document Processing) leverages AI, along with programmable automation (such as repetitive tasks), to convert data into usable, structured formats, and for consumption by downstream systems.Using Natural Language Processing (NLP), Computer Vision (CV), Optical Character Recognition (OCR) and machine learning tools, Blox.ai identifies, labels and extracts relevant data from any type of document. The AI then maps this extracted information into a structured format while configuring a model which can be applied to all similar document types. The Blox.ai stack is set up to reconcile the data based on business requirements and to push the output to downstream systems automatically.
    Starting Price: $650
  • 7
    Saifr

    Saifr

    Saifr

    A human-machine partnership enables computers to do monotonous tasks, freeing up humans to focus on the creative, interesting details. Saifr began with access to millions of documents representing the work of regulatory and compliance experts, and thousands of content creators. These data informed Saifr’s Natural Language Understanding (NLU) models, and these data are what make Saifr uniquely able to help mitigate regulatory and reputational risk. Traditional content workflows typically have many touchpoints and email hand-offs which are inefficient and pose security risks. Saifr's solutions foster collaboration between professionals, both inside and outside the organization, as well as with our NLU engine resulting in compliant materials that are created, reviewed, approved, and filed more efficiently. Our solutions help companies create compliant public communications faster.
  • 8
    Perspective API

    Perspective API

    Perspective

    Toxicity online poses a serious challenge for platforms and publishers. Online abuse and harassment silence important voices in conversation, forcing already marginalized people offline. Publishers, platforms, and individuals can use Perspective to power a variety of different use cases, in comment sections, forums, or any text-based conversations. Developers integrate and customize Perspective for many different audiences. Moderators use Perspective to quickly prioritize and review comments that have been reported. Perspective can give feedback to commenters who post toxic comments. Developers create tools so readers can control which comments they see, like hiding comments. Perspective has been shown to increase engagement by helping platforms and publishers create safe environments for conversation, and by helping individuals make healthier contributions online.
  • 9
    Semiform

    Semiform

    Semiform

    With Semiform, respondents can type their answers in natural language instead of filling out complex forms. You get higher response rates and happier users. Semiform uses an AI agent to parse your users' natural langague responses into structured data. It can even ask follow-up questions if necessary. With Semiform, users can fill out forms right in their inbox, without needing to click a link.
  • 10
    Samurai

    Samurai

    Samurai Labs

    Samurai is a Frontier Artificial Intelligence Lab Dedicated to Eliminating Online Violence. Samurai is an evolved form of AI that can read what people write and reason so effectively that it can anticipate, thereby preventing toxic commentary. Samurai can be used on a wide variety of platforms including: Real-time protection of users from cyberbullies, sexual predators and abusive content. Immediate detection and elimination of sexual harassment and violence. Ensuring a non-violent and non-toxic atmosphere for all users of any platform. Samurai Labs’ novel approach represents the third wave of AI that combines deep neural networks with reasoning based on language and expert knowledge. We believe the internet should be safe for everyone. People of all creeds and colors deserve safe access to the online communities and platforms that matter to them. Our mission at Samurai is to protect those most vulnerable, especially children, online.
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