Top 45 Natural Language Processing startups in USA
Jun 17, 2026
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24
1
Funding: $189B
OpenAI develops generative AI models: GPT for language, DALLE for images and Codex for code. The company's main product is the chatbot ChatGPT, which is used as a personal smart assistant and in enterprise customer support and knowledge management systems via APIs. The company also conducts scientific research aimed at achieving artificial general intelligence. The company's initial goal was the security and openness of artificial intelligence, but it has gradually moved toward closing and commercializing its ML and NLP technologies. According to CEO Sam Altman, AGI is achieving a certain amount of revenue. The primary OpenAI's investor is Microsoft and it has strategic partnership with NVidia. OpenAI is also a primary AI provider for the US Department of War
OpenAI develops generative AI models: GPT for language, DALLE for images and Codex for code. The company's main product is the chatbot ChatGPT, which is used as a personal smart assistant and in enterprise customer support and knowledge management systems via APIs. The company also conducts scientific research aimed at achieving artificial general intelligence. The company's initial goal was the security and openness of artificial intelligence, but it has gradually moved toward closing and commercializing its ML and NLP technologies. According to CEO Sam Altman, AGI is achieving a certain amount of revenue. The primary OpenAI's investor is Microsoft and it has strategic partnership with NVidia. OpenAI is also a primary AI provider for the US Department of War
2
Funding: $862.7M
Fractal partners with Fortune 500 companies to power every human decision in the enterprise.
Fractal partners with Fortune 500 companies to power every human decision in the enterprise.
3
Funding: $451M
SoundHound develops a platform for creating voice-enabled AI agents for customer service, sales and marketing, IT service management. Its proprietary automatic speech recognition (ASR) model Polaris is designed with acoustics in mind for noisy environments and can be customized to the unique context of a business. The platform integrates with any LLM and uses proprietary real-time speech-to-meaning and deep understanding technology, which can be integrated into business services and devices. SoundHound is also known for its music recognition apps, Chat AI personal voice assistant, and Amelia automated customer support platform.
SoundHound develops a platform for creating voice-enabled AI agents for customer service, sales and marketing, IT service management. Its proprietary automatic speech recognition (ASR) model Polaris is designed with acoustics in mind for noisy environments and can be customized to the unique context of a business. The platform integrates with any LLM and uses proprietary real-time speech-to-meaning and deep understanding technology, which can be integrated into business services and devices. SoundHound is also known for its music recognition apps, Chat AI personal voice assistant, and Amelia automated customer support platform.
4
Funding: $326M
Writer is the AI writing assistant for the world’s smartest brands. We help brand owners and content leaders scale their messaging, communication style, and must-have language, no matter who’s writing. Top brands like Twitter, Intuit, and McKesson have standardized their content creation on Writer.
Writer is the AI writing assistant for the world’s smartest brands. We help brand owners and content leaders scale their messaging, communication style, and must-have language, no matter who’s writing. Top brands like Twitter, Intuit, and McKesson have standardized their content creation on Writer.
5
Funding: $279M
TaskUs is a customer care and back office support company that helps companies provide exceptional experiences for their customers. TaskUs provides AI training and social network content moderation services.
TaskUs is a customer care and back office support company that helps companies provide exceptional experiences for their customers. TaskUs provides AI training and social network content moderation services.
6
Funding: $237M
Primer builds machines that can read and write, automating the analysis of very large datasets. It trawls thousands of sources online, using natural language processing to read and try to make sense of the vast amount of “open source intelligence”.
Primer builds machines that can read and write, automating the analysis of very large datasets. It trawls thousands of sources online, using natural language processing to read and try to make sense of the vast amount of “open source intelligence”.
7
Funding: $214M
Observe.AI is building a Voice AI platform for call centers. Its first product "Agent Assist" empowers call center agents to do their jobs better. The platform provides the agent with real-time feedback on customer sentiment and guides them on next best action during the customer call. The AI platform listens to the call stream in real time, uses deep learning and natural language processing (NLP) to understand the context and generates suggestions and guidance for the agent.
Observe.AI is building a Voice AI platform for call centers. Its first product "Agent Assist" empowers call center agents to do their jobs better. The platform provides the agent with real-time feedback on customer sentiment and guides them on next best action during the customer call. The AI platform listens to the call stream in real time, uses deep learning and natural language processing (NLP) to understand the context and generates suggestions and guidance for the agent.
8
Funding: $201.5M
Invoca provides complete call intelligence for business. Its machine learning algorithms analyze live phone conversations to understand caller intent and outcomes. Marketers can utilize these insights to make smarter decisions on everything from PPC bidding strategy to digital retargeting audiences.
Invoca provides complete call intelligence for business. Its machine learning algorithms analyze live phone conversations to understand caller intent and outcomes. Marketers can utilize these insights to make smarter decisions on everything from PPC bidding strategy to digital retargeting audiences.
10
Funding: $162.9M
Lilt is a technology company that develops an artificial intelligence-powered enterprise language software.
Lilt is a technology company that develops an artificial intelligence-powered enterprise language software.
11
Funding: $119.2M
Notable uses AI to automate and digitize every physician-patient interaction. It automtes recording of doctor’s visits and updating of electronic health records. The company has developed a technology that uses natural language processing and voice recognition to automatically record doctor-patient interactions and structure the data for inclusion in a patient’s medical records.
Notable uses AI to automate and digitize every physician-patient interaction. It automtes recording of doctor’s visits and updating of electronic health records. The company has developed a technology that uses natural language processing and voice recognition to automatically record doctor-patient interactions and structure the data for inclusion in a patient’s medical records.
12
Funding: $90.4M
Klarity is a legal company that accelerates contract review using Artificial Intelligence to match one's company legal policy.
Klarity is a legal company that accelerates contract review using Artificial Intelligence to match one's company legal policy.
13
Funding: $87M
Developer of products for the security industry. It develops AI-based solutions for counter-terrorism missions tackling national security problems. It also uses natural language processing and caters mainly to the defense and intelligence industries.
Developer of products for the security industry. It develops AI-based solutions for counter-terrorism missions tackling national security problems. It also uses natural language processing and caters mainly to the defense and intelligence industries.
14
Funding: $78.6M
DefinedCrowd develops a Crowd-as-a-Service intelligent data platform intended to accelerate enterprise data training and modeling.
DefinedCrowd develops a Crowd-as-a-Service intelligent data platform intended to accelerate enterprise data training and modeling.
15
Funding: $73M
WisdomAI offers enterprise AI analytics chatbot that answers business-related questions based on structured and unstructured data (as promised - without hallucinations). The company uses a clever method to address the problem of hallucinations. It doesn't use LLM to write answers, instead LLM is used only to write the query code that will be sent to the data warehouse. Therefore, if the LLM is hallucinating, it will simply write a wrong query and the user will recognize this from the result. WisdomAI has developed its own logic, which it calls the "enterprise context layer" and examines customer data to understand it and generate query code.
WisdomAI offers enterprise AI analytics chatbot that answers business-related questions based on structured and unstructured data (as promised - without hallucinations). The company uses a clever method to address the problem of hallucinations. It doesn't use LLM to write answers, instead LLM is used only to write the query code that will be sent to the data warehouse. Therefore, if the LLM is hallucinating, it will simply write a wrong query and the user will recognize this from the result. WisdomAI has developed its own logic, which it calls the "enterprise context layer" and examines customer data to understand it and generate query code.
16
Funding: $58.2M
Neuron7.ai is a service Intelligence platform that enables companies to deliver crucial service outcomes. Neuron7 uses natural language processing to guide users step by step, analyzing metadata from knowledge bases, product documentation, customer support call logs and transcripts to create a “collective intelligence” that can help diagnose and solve problems.
Neuron7.ai is a service Intelligence platform that enables companies to deliver crucial service outcomes. Neuron7 uses natural language processing to guide users step by step, analyzing metadata from knowledge bases, product documentation, customer support call logs and transcripts to create a “collective intelligence” that can help diagnose and solve problems.
18
Funding: $50.8M
Regie is using OpenAI’s GPT-3 text-generating system to create sales and marketing content for brands
Regie is using OpenAI’s GPT-3 text-generating system to create sales and marketing content for brands
19
Funding: $46.5M
Pypestream’s Customer Engagement Solution enables businesses to connect with customers using the power of smart messaging, driving satisfaction and loyalty. The patented, secure and compliant platform combines pragmatic AI and chatbots to enable transactions over messaging.
Pypestream’s Customer Engagement Solution enables businesses to connect with customers using the power of smart messaging, driving satisfaction and loyalty. The patented, secure and compliant platform combines pragmatic AI and chatbots to enable transactions over messaging.
20
Funding: $45M
Spectrum helps gaming, dating, marketplaces and social platforms recognize and respond to toxic online behavior across any language.
Spectrum helps gaming, dating, marketplaces and social platforms recognize and respond to toxic online behavior across any language.
21
Funding: $44M
Quiq is a customer service messaging platform that allows brands to engage with customers easily, across digital messaging channels.
Quiq is a customer service messaging platform that allows brands to engage with customers easily, across digital messaging channels.
22
Funding: $42.5M
Augmented writing is fueled by massive quantities of data, contributed by companies across industries and around the world. Textio’s predictive engine uses this data to uncover meaningful patterns in language, guiding you to stronger communication and better business outcomes.
Augmented writing is fueled by massive quantities of data, contributed by companies across industries and around the world. Textio’s predictive engine uses this data to uncover meaningful patterns in language, guiding you to stronger communication and better business outcomes.
23
Funding: $43.2M
Calypso AI provides a platform that allows organizations to accelerate their use of language models. Its solution protects sensitive information from unauthorized access via public large language models, detects and prevents malicious attacks deployed through generative AI tools and verifies LLM output to enhance decision-making.
Calypso AI provides a platform that allows organizations to accelerate their use of language models. Its solution protects sensitive information from unauthorized access via public large language models, detects and prevents malicious attacks deployed through generative AI tools and verifies LLM output to enhance decision-making.
24
Funding: $34.9M
Orby AI is an AI platform designed to bring the auto-complete experience to everyday business users and automate all mundane tasks.
Orby AI is an AI platform designed to bring the auto-complete experience to everyday business users and automate all mundane tasks.
25
Funding: $33.8M
Sorcero supports medical, insurance, and engineering experts to make better decisions, at scale, with the Language Intelligence Platform.
Sorcero supports medical, insurance, and engineering experts to make better decisions, at scale, with the Language Intelligence Platform.
27
Funding: $30.7M
Kea drives the world’s commerce by empowering restaurants to operate more intelligently and own their relationship with customers.
Kea drives the world’s commerce by empowering restaurants to operate more intelligently and own their relationship with customers.
28
Funding: $29.5M
Arcee.ai develops context-adapted LLMs through their domain-adapted language model system (DALM).
Arcee.ai develops context-adapted LLMs through their domain-adapted language model system (DALM).
30
Funding: $25M
LexCheck uses AI, including natural language processing, to support processes around editing and negotiating contracts.
LexCheck uses AI, including natural language processing, to support processes around editing and negotiating contracts.
32
Funding: $14.8M
ROSS Intelligence builds artificially intelligent tools to enhance lawyer’s abilities – allowing them to do more than ever before humanly possible. Their vision is to create the world’s smartest lawyer. Their first product, ROSS, is an artificially intelligent lawyer. With cutting edge NLP technology, pose your research questions like you’re talking to another lawyer.
ROSS Intelligence builds artificially intelligent tools to enhance lawyer’s abilities – allowing them to do more than ever before humanly possible. Their vision is to create the world’s smartest lawyer. Their first product, ROSS, is an artificially intelligent lawyer. With cutting edge NLP technology, pose your research questions like you’re talking to another lawyer.
33
Funding: $10M
The world's best AI copywriter. Use AI to write copy for ads, product descriptions, social media posts, landing pages, blog posts, and more.
The world's best AI copywriter. Use AI to write copy for ads, product descriptions, social media posts, landing pages, blog posts, and more.
34
Funding: $10M
Tektonic AI provides GenAI agents for business operations meant to automate complicated and dynamic tasks.
Tektonic AI provides GenAI agents for business operations meant to automate complicated and dynamic tasks.
35
Funding: $10M
With data driven insight, Lex Machina enables law firms and lawyers to pitch and land new clients and win lawsuits.
With data driven insight, Lex Machina enables law firms and lawyers to pitch and land new clients and win lawsuits.
36
Funding: $6M
Agamon is an AI-powered healthcare platform that converts clinical text into structured data.
Agamon is an AI-powered healthcare platform that converts clinical text into structured data.
37
Funding: $5.4M
OthersideAI is a provider of an AI-driven software which turns summaries and shorthand notes into written emails.
OthersideAI is a provider of an AI-driven software which turns summaries and shorthand notes into written emails.
39
Funding: $4.2M
MonkeyLearn is a Text Analysis platform with Machine Learning to automate business workflows and save hours of manual data processing.
MonkeyLearn is a Text Analysis platform with Machine Learning to automate business workflows and save hours of manual data processing.
40
Funding: $4M
Infactory provides the fact platform to extract, structure, and refine data for AI, enabling your AI applications to deliver accurate, high quality results.
Infactory provides the fact platform to extract, structure, and refine data for AI, enabling your AI applications to deliver accurate, high quality results.
41
Funding: $3.7M
Reply.ai is an enterprise platform does more than provide an enterprise solution to chatbot creation and management. It uses AI to help bots learn from conversations over time while also providing them with the “smarts” to let customer service know a more personal, “human” touch is needed. Acquired by Kustomer
Reply.ai is an enterprise platform does more than provide an enterprise solution to chatbot creation and management. It uses AI to help bots learn from conversations over time while also providing them with the “smarts” to let customer service know a more personal, “human” touch is needed. Acquired by Kustomer
42
Funding: $3.6M
Agolo summarizes information faster and with broader coverage than any human.
Agolo summarizes information faster and with broader coverage than any human.
43
Kadaxis uses data science to improve book discovery across the publishing value chain, for authors (at AuthorCheckpoint with metadata and marketing tools), publishers (with metadata optimisation and data APIs) and readers (at experimental book discovery site BookDiscovery).
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An AI tool that teachers can insert seamlessly into their existing workflows. The AI takes a topic and an optional reading and writes questions aligned to standards and learning outcomes.
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AppTek combines cutting-edge artificial intelligence research with meaningful and transformative real-world applications. Our team consists of world-leading scientists with an extensive list of patents, innovations and academic publications contributing to the advancement of neural network and machine learning science and technology. Based on our scientific research, our engineering team helps convert these advancements into commercially viable real-world applications that improve the daily life in areas including accessibility, commerce, trade, and communication across languages.
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