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Top 10 AI Writing Assistants SaaS Companies (November 2026)

As of November 2026, Latka tracks 1,375 AI writing assistants SaaS companies. They have combined revenues of $56B and employ 39K people. They have raised $142.8B and serve 6.9M customers combined.

Every company below sells AI writing assistants software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What AI Writing Assistants SaaS Companies do

AI Writing Assistants are software solutions designed to enhance the writing process by utilizing artificial intelligence technologies. These tools can assist users with various writing tasks such as content generation, grammar checking, plagiarism detection, and style optimization. They are widely used in settings such as marketing, academia, and business, where effective communication is essential. Typical features of AI writing assistants include real-time feedback on grammar and style, suggestions for improving clarity and tone, and the ability to generate content based on user prompts. Common user personas include content writers, marketers, educators, and professionals who seek to polish their written communication. By streamlining the writing process, these tools not only save time but also help ensure that the content meets specific quality standards.

Companies
1,375
Revenue
$56B
Funding
$142.8B
Employees
39K

Filters

Sorting: Highest -> Lowest

Filters

Top AI Writing Assistants SaaS Companies by revenue

Showing 10 of 1,375 companies ranked by annual revenue.

1OpenAI logo
OpenAI

San Francisco, United States

AI research and deployment company

Revenue
$50B
Customers
2M
Year founded
2015
Funding
$138.1B
Team size
4.5K
Growth
150%
2Harvey logo
Harvey

San Francisco, California, United States

Harvey is a generative AI company backed by Sequoia and OpenAI's startup fund building the future of professional services.

Revenue
$400M
Year founded
2022
Funding
$1B
Team size
1.3K
Growth
110.53%
3Trip AI logo
Trip AI

London, United Kingdom

Trip AI is your personal travel planner, powered by artificial intelligence. It creates customized itineraries, suggests activities and accommodations based on your preferences, and adapts to changes in real-time for a stress-free travel experience.

Revenue
$396.8M
4KnowBox logo
KnowBox

Beijing, China

Knowbox is a China-based educational technology company offering artificial intelligence-assisted mobile applications for schools and consumers to help children manage their homework.

Revenue
$275M
Year founded
2014
Funding
$250M
Team size
2.5K
5Genspark Inc. logo
Genspark Inc.

Palo Alto, California, United States

An AI Agent engine where specialized AI agents perform research and generate custom pages called Sparkpages. Free from biases and SEO-driven content, Sparkpages synthesize trustworthy information, offering more valuable results and saving users time.

Revenue
$250M
Customers
1K
Year founded
2023
Funding
$535M
Team size
41
Growth
400%
6Learneo logo
Learneo

Redwood City, California, United States

Productivity and learning platform supercharging businesses with AI-augmented writing and mathematics tools, study guides, proofreading services and other academic resources

Revenue
$200M
Year founded
2006
Team size
68
7Entertainment AI logo
Entertainment AI

London, United Kingdom

We're a team of passionate engineers and storytellers using AI to craft the future of entertainment. From personalised experiences to immersive worlds, we push boundaries to bring you the most engaging entertainment. Let's play!

Revenue
$191M
Year founded
2023
8Hypertype AB logo
Hypertype AB

Stockholm, Sweden

Hypertype's AI detects the most relevant information from you or your company's emails, document and Notion and then auto-generates custom replies to each incoming email with just the click of a button.

Revenue
$188M
Team size
10
9DeepL logo
DeepL

Cologne, Germany

AI machine translation services

Revenue
$185.2M
Customers
500K
Year founded
2017
Funding
$400M
Team size
1K
10Anyword logo
Anyword

New York, New York, United States

For marketers, every word counts. Over 1 billion marketing messages are created daily across digital channels, many of which are biased, costly to produce, and ineffective. Anyword's mission is to solve these issues. Anyword is a natural language generation platform designed to assist marketers in crafting messages tailored to their target audience. Our platform utilizes a model trained on millions of marketing messages and integrates with your historical data to generate high-quality messages across various channels and formats. Anyword is trusted by leading publishers and brands globally, including The New York Times, PetCareRx, NBA, Red Bull, Ted Baker, and others.

Revenue
$100M
Year founded
2013
Funding
$30.1M
Team size
512

Frequently asked questions about AI Writing Assistants SaaS Companies

How many AI writing assistants SaaS companies are there?

Latka tracks 1,375 AI writing assistants SaaS companies with reported revenue. Together they generate $56B in annual revenue and employ 39K people.

Which AI writing assistants SaaS company is the largest?

OpenAI is the largest, with $50B in annual revenue, founded in 2015.

How much revenue does a typical AI writing assistants SaaS company make?

The average AI writing assistants SaaS company in this list makes $40.7M a year, across 1,375 companies with reported revenue. They serve 6.9M customers combined.

Who are the leading AI Writing Assistants vendors?

Ranked by annual revenue, the leaders are OpenAI, Harvey, Trip AI, KnowBox and Genspark Inc..

How much funding have AI writing assistants SaaS companies raised?

The 1,375 AI writing assistants SaaS companies tracked here have raised $142.8B in disclosed funding between them.

Related Artificial Intelligence Software categories

Inclusion Criteria

- Must provide tools for grammar correction and writing style optimization - Should offer features for content generation or enhancement - Must support various content formats (e.g., articles, reports, blogs) - Should include plagiarism detection capabilities - Must cater to users in business, education, or content creation sectors - Not just a simple text editor; must also offer AI-driven improvements and suggestions