Letter AI is the world's first generative AI powered enablement platform. Build and maintain all the sales collateral and training you need 10x faster with generative AI. Personalize instantly by vertical or even individual customer using your existing data. Ask questions in real-time to your own ChatGPT-like co-pilot and scale rep coaching with AI-generated mock customers. Reduce your system complexity and supercharge your enablement efforts with Letter AI's unified enablement platform. Reach out today to learn more. Backed by Y Combinator (S23)
Location: United States
Employees: 1-10
Total raised: $40M
Founded date: 2023
Investors 1
| Date | Name | Website |
| 22.10.2023 | Y Combinat... | ycombinato... |
Funding Rounds 1
| Date | Series | Amount | Investors |
| 25.02.2026 | Series B | $40M | Stage 2 Ca... |
Mentions in press and media 7
| Date | Title | Description |
| 07.08.2026 | Battery Ventures Promotes Brandon Gleklen to Partner | Investment firm Battery Ventures announced it has promoted Brandon Gleklen to partner, continuing its strategy of backing the most innovative tech companies worldwide, including at the earliest stages. This press release features multimedia... |
| 27.02.2026 | Letter AI Secures $40 Million to Revolutionize Revenue Enablement with AI | Letter AI, a Chicago-based innovator, successfully raised $40 million in Series B funding. Battery Ventures championed the round. This significant capital influx will propel the company's AI-native revenue enablement platform. The platform ... |
| 25.02.2026 | Letter AI Pulls In $40M Series B Round | CHICAGO, IL, Letter AI, the AI-native revenue enablement platform for the world's leading go-to-market teams, today announced it has raised a $40 million Series B funding round. >> Click here for more funding data on Letter AI >&g... |
| 24.02.2026 | Letter AI Raises $40M in Series B Funding | Letter AI, a Chicago, IL -based AI-native revenue enablement platform for go-to-market teams, raised $40m in Series B funding. The round was led by Battery Ventures, with participation from Y Combinator, Lightbank, Northwestern Mutual Futur... |
| 24.02.2026 | Letter AI: $40 Million Series B Raised For AI-Native Revenue Enablement Platform | Letter AI, an AI-native revenue enablement platform for enterprise go-to-market teams, has raised $40 million in a Series B funding round led by Battery Ventures, with participation from Y Combinator, Lightbank, Northwestern Mutual Future V... |
| 24.02.2026 | Letter AI Raises $40M Series B for Revenue Intelligence | Letter AI just pulled in $40 million in Series B funding. This is a huge step for this Chicago startup as it ramps up its AI revenue tools for go-to-market teams. Battery Ventures led the round along with Y Combinator, Lightbank, Northweste... |
| - | Letter AI | “Empower your revenue teams to win more deals, faster. Get our all-in-one revenue enablement platform that unifies content, training, coaching, and buyer engagement.” |