Best Natural Language Processing Companies in United States
The 308 best Natural Language Processing companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Inflection.
When you want the best Natural Language Processing companies in the United States ranked by disclosed equity funding and recent momentum, the numbers tell the story first. Our directory tracks 308 companies carrying $6.3B in total disclosed funding, five of which have crossed unicorn thresholds. Augment leads the individual funding table at $110M, with AppZen close behind at $103M and ElevenLabs at $101M. That's real capital, not speculation. The broader market context backs the scale: the global NLP market sat at roughly $16.2B in 2022 and is forecast to reach $52.6B by 2027 at a 26.1% CAGR, driven by cloud adoption and the expanding footprint of smart devices.
So what's actually moving the sector right now? Coverage is rising fast, and hot application themes include disaster relief logistics and asylum seeker processing, areas where NLP's ability to parse unstructured text at volume matters enormously. I'd also flag the recent exploration of NLP paired with supervised learning on social data as a signal of where applied research is heading. Backers like Y Combinator, Accel, and the National Science Foundation are the most active investors across this cohort, a mix that tells you both commercial and public-interest capital sees durable value here.
Ranked: Best Natural Language Processing companies in United States
| # | Company | Disclosed funding | Last round | Employees | Tech stack | Web popularity | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Inflection 🦄 Provider of emotionally intelligent artificial intelligence for personal and enterprise use | $1.5B | 35 mo ago | 35 35 → 87 (+149%) · sector median +23% | Framer SitesReactPostHog+12 | Top 5M | — | — | 1 job opening |
| 2 | Poolside 🦄 Developer of artificial intelligence models and systems for software engineering | $626M | 20 mo ago | — | TurbopackSentryZendesk+14 | Top 5M | 6 signals ▼65% Funding · Contracts | — | 3 launchs · 1 award |
| 3 | Meltwater Cloud based suite of marketing solutions | $340M | 30 mo ago | 3 | PrismicAtlassian Jira Issue CollectorZendesk+30 | Top 500k | — | — | — |
| 4 | Primer AI based text summarization and contextualization software tool | $237M | 36 mo ago | 194 194 → 118 (-39%) · sector median +23% | WordPressApple iCloud MailGoogle Workspace+34 | Top 5M | — | — | — |
| 5 | Axtria 🦄 Provider of AI-powered data analytics and commercial solutions for life sciences | $199M | 61 mo ago | 749 | HubSpot CMS HubZohoSalesforce+25 | Top 5M | 5 signals ▲150% New product · M&A · Funding | — | 1 launch · 4 awards |
| 6 | SoundHound 🦄 Provider of cloud and AI-based sound recognition solutions for multiple applications | $191M | 27 mo ago | 201 | DrupalApple iCloud MailGoogle Workspace+38 | Top 500k | 30 signals ▼25% Earnings · M&A · New product | 442 patents Patents concentrated in computing, sensing & instrumentation | — |
| 7 | Sobot Contact center solution provider | $191M | 52 mo ago | — | Node.jsSvelteVue.js+12 | Top 1M | — | — | — |
| 8 | Suki Developer of an AI assistant for clinical documentation and reasoning 80AI top 18%Funding top 19%Innovation top 20%Patents top 24% All 14 signals ▾AItop 18% Fundingtop 19% Innovationtop 20% Patentstop 24% Techtop 28% Moattop 28% Producttop 29% Growthtop 36% Newstop 39% Talenttop 41% Partnerstop 45% Marketbottom 49% Globalbottom 42% Customersbottom 10% AI: Classified as an AI company · Holds AI/ML patents (G06N-family CPC) Funding: Raised $165M across 5 rounds · 5 rounds over 9 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 80/100 | $165M | 16 mo ago | 45 | WordPressMySQLPHP+20 | Top 5M | 6 signals Leadership · Incorporation | 62 patents AI-powered speech-to-text and contextual note generation for clinical documentation | 3 partnerships |
| 9 | LinkSquares Provider of a contract management platform with AI-powered capabilities | $164M | 50 mo ago | 344 344 → 231 (-33%) · sector median +23% | ContentfulSentryAtlassian Statuspage+41 | Top 5M | — | — | 1 job opening · 1 launch · 1 award |
| 10 | Cerence Developer of voice and AI solutions for automotive and transportation industries | $150M | 65 mo ago | 1,700 1,700 → 1,195 (-30%) · sector median +23% | DrupalPHPAmazon Web Services+33 | Top 5M | 14 signals ▼30% Earnings · Announcements · New product | — | 2 partnerships |
| 11 | Kensho Provider of AI-based software solutions for law enforcement and businesses | $123M | 111 mo ago | 98 98 → 189 (+93%) · sector median +23% | SentryApple iCloud MailGoogle Workspace+24 | Top 5M | — | 7 patents Financial data analytics and predictive modeling for investment decision support | 2 launchs · 2 partnerships · 1 award |
| 12 | AssemblyAI Provider of speech to text solutions | $115M | 30 mo ago | 39 | WebflowSentryZendesk+23 | Top 500k | — | — | 1 launch · 1 partnership |
| 13 | Augment Developer of an AI teammate for logistics and knowledge management 57AI top 8%Funding top 21%Growth top 35%Talent top 38% All 10 signals ▾AItop 8% Fundingtop 21% Growthtop 35% Talenttop 38% Moattop 42% Techtop 49% Globalbottom 44% Patentsbottom 39% Innovationbottom 36% Marketbottom 35% AI: Classified as an agentic-AI company Funding: Raised $110M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $110M | 9 mo ago | — | Framer SitesApple iCloud MailReact+21 | Top 10M | — | 2 patents Bio-signal stress monitoring and AI-driven conversational analytics for health and CRM | 1 launch |
| 14 | AppZen Provider of AI-powered software for expense auditing and accounts payable 76Funding top 19%AI top 20%Moat top 31%Growth top 33% All 12 signals ▾Fundingtop 19% AItop 20% Moattop 31% Growthtop 33% Producttop 34% Innovationtop 37% Talenttop 38% Newstop 41% Patentstop 42% Markettop 46% Techbottom 47% Globalbottom 45% Funding: Raised $103M across 6 rounds · 6 rounds over 11 yrs (0.5/yr) AI: Classified as an agentic-AI company · Holds AI/ML patents (G06N-family CPC) rank vs industry peers · Fliar Intelligence Index 76/100 | $103M | 8 mo ago | 141 | HubSpot CMS HubAmazon Web ServicesMicrosoft Clarity+21 | Top 5M | 4 signals ▲33% Funding | 7 patents AI-powered invoice/expense automation with fraud detection and line-item image-text matching | 3 launchs |
| 15 | Yellow.ai Provider of an AI platform for automating customer and employee service | $102M | 58 mo ago | 469 469 → 860 (+83%) · sector median +23% | WordPress Block EditorWordPressApple iCloud Mail+32 | Top 500k | — | — | — |
| 16 | ElevenLabs 🦄 AI platform for speech, voice cloning, music, and AI agents 93Customers top 10%Funding top 14%Growth top 18%Tech top 19% All 13 signals ▾Customerstop 10% Fundingtop 14% Growthtop 18% Techtop 19% AItop 20% Newstop 23% Moattop 26% Producttop 31% Innovationtop 32% Partnerstop 32% Talenttop 40% Markettop 41% Globaltop 42% Customers: Play-Store rating 4.76★ across 129,012 ratings (1 apps) Funding: Raised $101M across 7 rounds · 7 rounds over 3 yrs (2.3/yr) rank vs industry peers · Fliar Intelligence Index 93/100 | $101M | 3 mo ago | 15 | SentryZendeskApple iCloud Mail+29 | Top 5k | 42 signals ▲147% Announcements · Funding · Capital raise | — | 4 launchs · 1 partnership · 2 expansions |
| 17 | Chorus.ai Conversational intelligence platform for sales | $100M | 70 mo ago | 90 | Apple iCloud MailJavaEnvoy+17 | Top 50M | — | 37 patents Disinfection/decontamination hardware and gas-sensing technologies for hygiene and safety applications | — |
| 18 | Lilt Provider of cloud-based machine translation tools and services | $93M | 19 mo ago | 59 | SanitySentryZendesk+34 | Top 500k | — | 14 patents AI-powered machine translation workflow with neural word alignment and in-browser collaborative editing | 1 partnership |
| 19 | Syllable Provider of an AI-based digital assistant for healthcare communication system | $86M | 49 mo ago | 46 | Apple iCloud MailGoogle WorkspaceNode.js+12 | Top 50M | — | — | — |
| 20 | Vectara Provider of a platform for building governed, grounded, auditable AI agents | $74M | 23 mo ago | 48 | SanityApple iCloud MailGoogle Workspace+33 | Top 5M | — | 2 patents AI-driven cross-lingual multimedia information retrieval and query optimization | 1 launch · 1 partnership · 1 award |
| 21 | Planck Provider of GenAI-powered risk insights and underwriting solutions for commercial insurance | $73M | 28 mo ago | 80 | Framer SitesReactAmazon Web Services+11 | Top 50M | — | — | — |
| 22 | Rasa Developer of a platform for building and deploying AI agent solutions | $71M | 28 mo ago | 26 | WebflowApple iCloud MailGoogle Workspace+29 | Top 1M | — | — | — |
| 23 | Otter.ai Developer of an AI meeting agent providing transcription and summarization | $70M | 63 mo ago | 125 | Amazon WebstoreWebflowSentry+33 | Top 50k | 4 signals ▲33% New product · Leadership | 34 patents Real-time AI transcription, summarization, and context-aware meeting capture technologies. | — |
| 24 | rabbit Developer of an AI agent designed to automate digital tasks | $65M | 27 mo ago | 6 | ShopifyApple iCloud MailNode.js+22 | Top 5M | — | 33 patents Networked voice-enabled user interfaces for product and service interaction | — |
| 25 | Inbenta AI-based self-service platform with chatbots and NLP search | $60M | 41 mo ago | 7 | WordPressApple iCloud MailMicrosoft 365+26 | Top 5M | — | — | — |
| 26 | Unsupervised AI powered text data analytics platform for enterprises | $57M | 61 mo ago | 57 | TurbopackApple iCloud MailGoogle Workspace+12 | Top 50M | — | 8 patents Graph-based data comparison and similarity analysis for large, non-adjacent datasets | — |
| 27 | Voiceflow Provider of a platform to build and scale AI agent solutions | $38M | 34 mo ago | 73 | WebflowSentryZendesk+28 | Top 500k | — | — | — |
| 28 | Deepsee Analytics Provider of AI agents designed for financial services process automation 69AI top 8%Funding top 33%Growth top 35%Tech top 36% All 8 signals ▾AItop 8% Fundingtop 33% Growthtop 35% Techtop 36% Talenttop 38% Moattop 39% Marketbottom 40% Globalbottom 29% AI: Classified as an agentic-AI company Funding: Raised $30.7M across 1 rounds · 1 rounds over 5 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $31M | 5 mo ago | 48 | WordPress Block EditorWordPressApple iCloud Mail+34 | Top 5M | — | — | 1 partnership · 1 award |
| 29 | LynxCare Provider of real-world data infrastructure and insights for healthcare and life sciences | $26M | 47 mo ago | 50 | WebflowSentryWistia+26 | Top 50M | — | — | 4 job openings |
| 30 | Whiz Provider of data, analytics, and technology solutions for healthcare industries | $21M | 43 mo ago | 106 | WebflowVimeocore-js+17 | Top 10M | — | — | — |
| 31 | Indico Data Developer of an agentic decisioning platform for insurance underwriting and claims 72AI top 8%Innovation top 23%Talent top 28%Funding top 33% All 11 signals ▾AItop 8% Innovationtop 23% Talenttop 28% Fundingtop 33% Moattop 39% Techtop 40% Producttop 49% Marketbottom 47% Globalbottom 43% Growthbottom 40% Newsbottom 38% AI: Classified as an agentic-AI company Innovation: 4 new-product events in 24 mo · Deep-tech classification: Artificial Intelligence, Agentic Ai rank vs industry peers · Fliar Intelligence Index 72/100 | $19M | 7 mo ago | 100 | WordPressMySQLPHP+26 | Top 5M | 3 signals ▼73% Funding | — | — |
| 32 | AppOrchid Provider of AI-based applications for IoT devices | $14M | 25 mo ago | 129 129 → 159 (+23%) · sector median +23% | Webflow EcommerceWebflowcore-js+15 | Top 10M | — | — | 1 partnership |
| 33 | Archetype AI Platform developing physical AI | $13M | 6 mo ago | — | WebflowGSAPFancyBox+20 | Top 10M | — | 9 patents AI-powered multimodal content generation, sensor data compression, and IoT device detection/control | 2 launchs · 1 award |
| 34 | Sybill AI Developer of an AI sales assistant platform for revenue teams | $13M | 26 mo ago | 33 | SentryAtlassian StatuspageApple iCloud Mail+33 | Top 5M | — | — | — |
| 35 | Yseop Provider of automated natural language generation software for regulatory writing | $13M | 30 mo ago | 84 | WordPressPleskApple iCloud Mail+38 | Top 10M | — | — | 2 awards |
| 36 | Intento Provider of AI-driven language translation and localization platform for enterprises | $12M | 8 mo ago | 80 | WordPressMySQLPHP+39 | Top 10M | — | 7 patents Semantic intent-driven API organization and management platform | — |
| 37 | Docugami Developer of AI that transforms unstructured documents into structured, actionable data | $12M | 14 mo ago | 37 | HubSpot CMS HubApple iCloud MailMicrosoft 365+19 | Top 5M | — | 20 patents AI-driven semantic document analysis and cross-document authoring automation | 1 partnership |
| 38 | Recruit Bot Provider of an AI-powered platform to streamline and improve talent acquisition | $11M | 31 mo ago | 14 14 → 11 (-21%) · sector median +23% | WordPressMySQLPHP+32 | Top 50M | — | — | — |
| 39 | Oumi Open-source AI platform for model development and deployment | $10M | 16 mo ago | — | TurbopackSentryNode.js+17 | Top 10M | — | — | — |
| 40 | Aiberry AI-powered digital health platform offering mental health screening and assessments | $9M | 25 mo ago | — | WebflowAmazon Web ServicesHubSpot+21 | Top 10M | — | 11 patents AI-powered multimodal mental health assessment and monitoring platforms | — |
| 41 | Gnani.ai Provider of AI-powered voice and chat automation platform for enterprises | $8M | 2 mo ago | 119 119 → 265 (+123%) · sector median +23% | WordPressApple iCloud MailMicrosoft 365+42 | Top 5M | 15 signals ▲25% Funding · New product · Capital raise | — | 1 job opening · 3 internships · 2 launchs |
| 42 | Voicing AI Developer of voice AI agents that automate customer calls and actions | $6M | 18 mo ago | — | WordPressMySQLPHP+13 | Top 10M | — | — | 1 award |
| 43 | Vellum Provider of a platform for building and deploying AI agent workflows | $5M | 11 mo ago | 8 | Webflow EcommerceWebflowSentry+24 | Top 1M | — | — | — |
| 44 | Willow Voice Provider of AI-powered voice dictation software for all applications | $5M | 7 mo ago | — | Framer SitesReactTikTok Pixel+18 | Top 5M | — | — | 3 launchs |
| 45 | Infrrd Provides machine learning based solutions for enterprises | $2M | 9 mo ago | 228 | WebflowCart FunctionalityAmazon Web Services+24 | Top 5M | — | 20 patents AI-powered document and image analysis: data extraction, entity verification, and model optimization. | — |
| 46 | Certus Core Developer of an AI-powered platform that transforms data into actionable intelligence 24AI top 30%Talent top 38%Funding bottom 41%Tech bottom 41% All 6 signals ▾AItop 30% Talenttop 38% Fundingbottom 41% Techbottom 41% Globalbottom 29% Marketbottom 25% AI: Classified as an AI company · Product described with: ai-powered Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 24/100 | $2M | 2 mo ago | — | WebflowAmazon Web Servicescore-js+10 | Top 50M | — | — | 1 award |
| 47 | TRAICE Labs Developer of personality-driven artificial intelligence personas | $1M | 4 mo ago | — | — | — | — | — | — |
| 48 | MOVEdot Developer of AI agents for hardware test data analysis tasks | $500K | 8 mo ago | — | Node.jsRadix UITailwind CSS+12 | Top 50M | — | — | — |
| 49 | Retell Developer of an AI voice agent platform for call automation | $500K | 21 mo ago | — | Webflow EcommerceWebflowApple iCloud Mail+27 | Top 500k | — | — | 2 launchs · 4 partnerships |
| 50 | Govobo Provider of a live automatic transcription and translation app for deaf and hard-of-hearing users | $288K | 12 mo ago | — | — | — | — | — | — |
Top 12 Natural Language Processing companies in United States
#1
Series D · New York City, New York · founded 2022 · 15 employees$101Mraised▾
AI platform for speech, voice cloning, music, and AI agents. It provides tools for creating realistic speech, converting text to natural-sounding audio, cloning voices, generating music and sound effects, and building conversational AI agents. It serves developers, enterprises, and creators through APIs and integrated products designed for applications such as content production, customer support automation, media localization, and interactive AI experiences.
- Mar 2026Series D$20M
- Feb 2026Series D$500M
- Sep 2025Series C$10M
- Jun 2025Series C—
#2
Series D · San Jose, California · founded 2012 · 141 employees$102.5Mraised▾
Provider of AI-powered software for expense auditing and accounts payable. The company offers autonomous accounts payable, email management, and global e-invoicing compliance. It provides automated auditing for expense reports and corporate card programs. The AI platform offers low-code automation, pre-built application library, and integration with existing systems. The company's solutions address fraud detection, operational expenditure reduction, and regulatory compliance.
- Sep 2025Series D$180M
- Sep 2019Series C$50M
- Oct 2018Series B$35M
- Nov 2017Series A$13M
#3
Series A · San Francisco, California · founded 2024$110Mraised▾
Developer of an AI teammate for logistics and knowledge management. The AI teammate handles tasks such as calling, emailing, and logging into systems. It extracts and retains knowledge from communications, building a knowledge base. The AI teammate integrates with existing communication channels and adapts to business needs. It assists sales teams, improves margins, boosts productivity, and speeds up invoicing.
- Sep 2025Series A$85M
- Mar 2025Seed$25M
#4
Series A · Salt Lake City, Utah · founded 2017 · 48 employees$30.7Mraised▾
Provider of AI agents designed for financial services process automation. These agents analyze data and automate banking tasks, providing transparency for compliance teams. The agents streamline labor-intensive tasks, improve operational efficiency, and unlock new revenue opportunities. They integrate with existing systems, enriching them with contextual intelligence to address financial market complexities.
- Jan 2026Series A—
- Mar 2021Series A$22.6M
#5
Series B · Covina, California · founded 2016 · 119 employees$7.7Mraised▾
Provider of AI-powered voice and chat automation platform for enterprises. The platform offers tools for building agentic AI agents, speech-to-text conversion, and real-time translation. It provides features such as voice biometrics, call analytics, and automated quality assurance. The platform supports omnichannel automation, multilingual capabilities, and integration with various enterprise systems.
- Mar 2026Series B$10M
- Jul 2024Series A$4M
- Mar 2022Series A$832.2K
- Aug 2021Series A$1.2M
#6
Series B · Boston, Massachusetts · founded 2014 · 100 employees$19Mraised▾
Developer of an agentic decisioning platform for insurance underwriting and claims. The platform streamlines submission processing, automates data enrichment, and recommends next actions. It helps insurance carriers transform complex submissions and claims into decision-ready insights. The platform supports policy changes, renewals, and customer communications with document processing and workflow automation.
- Oct 2025Series B—
- Jun 2024Series B$19M
- Dec 2020Series B$22M
- May 2019Series A$4.1M
#7
Poolside 🦄Series B · San Francisco, California · founded 2023$626Mraised▾
Developer of artificial intelligence models and systems for software engineering. It builds models purpose-built to excel at software engineering. It allows models to learn through trial and error, navigating ambiguity to discover solutions. The intelligence understands architecture, development processes, and how software reflects business. It delivers intelligence that integrates across the entire development ecosystem.
- Oct 2024Series B$500M
- Aug 2023Series A$100M
- May 2023Seed$26M
#8
Series D · Redwood City, California · founded 2017 · 45 employees$165Mraised▾
Developer of an AI assistant for clinical documentation and reasoning. The AI solution captures patient conversations to generate notes, instructions, and orders. It adapts to clinician workflows, streamlining documentation across care settings. The platform integrates with major EHRs and health technology applications. It offers capabilities spanning pre-charting, documentation, and clinical decision support.
- Jan 2025Series D—
- Oct 2024Series D$70M
- Dec 2021Series C$55M
- Mar 2020Series B$20M
#9
Series A · Palo Alto, California · founded 2023$13Mraised▾
Platform developing physical AI. Its model can perceive and reason about the physical world by fusing multimodal sensor data and natural language. The platforms approach involves sensor fusion, integrating information from multiple sensor modalities like radars, cameras, accelerometers, and more to analyze unstructured sensor data and uncover hidden patterns of behavior.
- Nov 2025Series A$35M
- Apr 2024Seed$13M
#10
Series A · Berkeley, California · founded 2013 · 80 employees$12.3Mraised▾
Provider of AI-driven language translation and localization platform for enterprises. The platform automates localization across various touchpoints using AI agents and machine translation. It delivers consistent language experiences for customers and employees. The platform integrates with existing localization, document management, and customer support systems.
- Sep 2025Series A$3.9M
- May 2023Series A$8M
- Jul 2020Seed$3M
- Dec 2018Seed$1.3M
#11
Seed · Tampa, Florida · founded 2021$1.6Mraised▾
Developer of an AI-powered platform that transforms data into actionable intelligence. The platform enables users to ask questions and receive organized answers. It facilitates data connections and delivers insights. The company provides solutions for data organization, engineering, integration, and processing. The platform offers a simplified data interface and verified results.
- Apr 2026Seed—
- Jan 2024Seed$1.6M
#12
Series C · Palo Alto, California · founded 2015 · 59 employees$93.1Mraised▾
Provider of cloud-based machine translation tools and services. It comes with features such as auto-suggest based on previously translated segments and an intelligent pre-translation feature with smart tag placement that does not require editing segments anymore. They also offer a real-time adaptive translation API that provides multiple suggestions, incremental domain adaptations, sub-segment matching, and word alignments.
- Nov 2024Series C$45.4M
- Apr 2022Series C$55.5M
- May 2020Series B$25M
- Dec 2019Series B$25M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Natural Language Processing coverage by sub-theme.
Regulatory-risk over time flat
Funding & growth over time
funding flat · growth flat
How research on Natural Language Processing is moving in the United States
A read on the academic research around Natural Language Processing — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,087 United States-affiliated papers.
- Stanford University209
- Carnegie Mellon University173
- Google170
- University of Washington104
- Johns Hopkins University97
- Language model19→149
- Semantics (computer science)25→119
- Benchmark (surveying)24→113
- Key (lock)2→86
- Feature (linguistics)18→95
- Language model7→74
- Context (archaeology)15→59
- Generative grammar3→46
- Key (lock)3→43
- Task (project management)28→61
- Language model1→65
- Feature (linguistics)1→35
- Context (archaeology)8→40
- Key (lock)1→31
- Semantics (computer science)2→30
Where nlp is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing nlp patents in the United States
United States nlp patent filing is accelerating — 3,366 filings from 1,105 assignees (2016–2025), led by IBM, Microsoft, Google; annual filings 265→347.
- IBM1054
- Microsoft271
- Google206
- Amazon145
- Oracle107
- Salesforce COM102
- Xerox79
- BANK Of America70
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.