12 tools based on OpenAI GPT — every link checked and refreshed for 2026.

1

Copysmith

Copysmith now builds Frase, Describely, and Rytr – specialized AI platforms helping brands rank in search, get cited by AI, and scale content.

2

Algolia

Algolia enables developers to build next generation apps with APIs that deliver relevant content in milliseconds.

3

Bird (formerly MessageBird)

Bird is an omnichannel communications platform for email, SMS, WhatsApp, and voice, built for global scale.

4

Sapling

Sapling is able to fetch the most helpful suggestions from your team's response bank and knowledge base using GPT-3, a state-of-the-art neural network model for language understanding.

5

CopyAI

CopyAI has evolved into a GTM AI platform that automates go-to-market workflows for sales, marketing, and operations teams.

6

HyperWrite

HyperWrite is the world's most powerful document editor, enabling writers to compose beautiful stories, blogs and more in minutes.

7

AI Channels

AI Channels is a social network platform that enables people to collaborate with artificial intelligence agents along with their friends and co-workers.

8

Headlime

Headlime offers you the smartest copy generator, which uses the latest advancements in Natural Language Processing (NLP) techniques to write you the best sales copy on the web.

9

Topic

Topic helps editors and agencies create content briefs in half the time.

10

Dover

Dover is a startup recruiting platform offering a marketplace of fractional recruiters plus a free ATS, with AI-powered resume scoring.

11

ABtesting.ai

ABtesting.ai offers automated text suggestions for your headline – A/B testing has never been easier.

12

CoCounsel (formerly Casetext)

Casetext's site now redirects to Thomson Reuters CoCounsel, an AI assistant for legal research and writing.