Top 8 Natural Language Generation (Generative AI) startups in USA
Mar 29, 2026
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26
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
3
Funding: $132M
Conversica’s AI platform intelligently convert leads into sales opportunities via natural, two-way email conversations. It creates engaging conversations so that you can reach your sales goals
Conversica’s AI platform intelligently convert leads into sales opportunities via natural, two-way email conversations. It creates engaging conversations so that you can reach your sales goals
4
Funding: $102.9M
Infinitus is a startup company that develops voice robotic process automation tools for the health care industry. Infinitus uses “voice RPA” to become the machine-generated voice that makes calls from, say, healthcare providers or pharmacies to insurance companies
Infinitus is a startup company that develops voice robotic process automation tools for the health care industry. Infinitus uses “voice RPA” to become the machine-generated voice that makes calls from, say, healthcare providers or pharmacies to insurance companies
5
Funding: $96M
Persado Marketing Language Cloud delivers AI-generated language that resonates the most with any audience, segment or individual. Imagine having a data scientist and a copywriter for each person in your audience; you get the language that performs and the analytics explaining why, resulting in more business and unseen insights.
Persado Marketing Language Cloud delivers AI-generated language that resonates the most with any audience, segment or individual. Imagine having a data scientist and a copywriter for each person in your audience; you get the language that performs and the analytics explaining why, resulting in more business and unseen insights.
6
Funding: $10.8M
Automated Insights develops technology that automatically generates narratives on a massive scale that sound like a person crafted each one.
Automated Insights develops technology that automatically generates narratives on a massive scale that sound like a person crafted each one.
7
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.
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