Best Sentiment Analysis Tools

Compare the Top Sentiment Analysis Tools as of October 2025

What are Sentiment Analysis Tools?

Sentiment analysis tools are software that uses AI to deduce the sentiment from written language. Sentiment analysis software is useful for monitoring the sentiment and feelings about your brand or business online. Sentiment analysis software tools utilize natural language processing in order to analyze sentiment, and arrive at a conclusion on overall sentiment about your brand. Sentiment analysis tools can be used to scan social media and the web at large to generate a report on how people feel about the brand or terms you are tracking. Being aware of overall brand sentiment can help you make more informed business and product decisions. Compare and read user reviews of the best Sentiment Analysis tools currently available using the table below. This list is updated regularly.

  • 1
    LM-Kit.NET
    On-device sentiment analysis for .NET delivers real-time, private insights. It classifies text as positive, negative, or neutral, detects emotions like joy, anger, sadness, fear, and flags sarcasm for deeper profiling. Turn raw text into actionable intelligence for support, social listening, marketing, and product strategy.
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    Starting Price: Free (Community) or $1000/year
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  • 2
    Google Cloud Natural Language API
    Get insightful text analysis with machine learning that extracts, analyzes, and stores text. Train high-quality machine learning custom models without a single line of code with AutoML. Apply natural language understanding (NLU) to apps with Natural Language API. Use entity analysis to find and label fields within a document, including emails, chat, and social media, and then sentiment analysis to understand customer opinions to find actionable product and UX insights. Natural Language with speech-to-text API extracts insights from audio. Vision API adds optical character recognition (OCR) for scanned docs. Translation API understands sentiments in multiple languages. Use custom entity extraction to identify domain-specific entities within documents, many of which don’t appear in standard language models, without having to spend time or money on manual analysis. Train your own high-quality machine learning custom models to classify, extract, and detect sentiment.
  • 3
    RapidMiner
    RapidMiner is reinventing enterprise AI so that anyone has the power to positively shape the future. We’re doing this by enabling ‘data loving’ people of all skill levels, across the enterprise, to rapidly create and operate AI solutions to drive immediate business impact. We offer an end-to-end platform that unifies data prep, machine learning, and model operations with a user experience that provides depth for data scientists and simplifies complex tasks for everyone else. Our Center of Excellence methodology and the RapidMiner Academy ensures customers are successful, no matter their experience or resource levels. Simplify operations, no matter how complex models are, or how they were created. Deploy, evaluate, compare, monitor, manage and swap any model. Solve your business issues faster with sharper insights and predictive models, no one understands the business problem like you do.
    Starting Price: Free
  • 4
    Dandelion API

    Dandelion API

    SpazioDati

    Find mentions of places, people, brands and events in documents and social media. Easily get additional data about the entities. Classify multilingual text into standard, pre-defined taxonomies or build your own custom classification scheme in minutes. Identify whether the expressed opinion in short texts (like product reviews) is positive, negative, or neutral. Automatically identify important, contextually relevant, concepts and key-phrases in articles and social media posts. Compare two texts and compute their syntactic and semantic similarity. Understand when two texts are about the same subject. Extract clean text article from newspapers, blogs and other websites. Remove boilerplate and advertising and get the article full text and images.
    Starting Price: $49 per month
  • 5
    Clarabridge

    Clarabridge

    Clarabridge

    The Clarabridge Platform aggregates all VoC data, customer interactions and feedback, into a single platform. We use AI-powered speech and text analytics, with the industry’s best Natural Language Understanding (NLU), to evaluate the conversations your customers and employees are having every day in phone calls, live chats, private messages and on social media. Clarabridge gives you timely answers about ease of doing business (Effort), customer loyalty and emotions, root cause of NPS change, churn or high contact volume and much more. Clarabridge insights help you make decisions, act fast, and track results. Partner with Clarabridge, whose solutions are purpose-built for customer experience and backed by an AI-powered best-in-class text analytics engine, to transcend from complexity to clarity and truly understand every customer interaction. Clarabridge is the only platform that provides a highly effective means of capturing what customers are saying.
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