Letter AI Closes $40M Series B Round
Y Combinator alum Letter AI has closed a $40 million Series B funding round led by Battery Ventures. The company provides a deal-level intelligence platform for revenue enablement. The raise comes just four months after its previous funding round, with its pitch deck highlighting rapid feature iteration and strong user metrics as key to attracting investment.
- The company was founded by CEO Ali Akhtar, who previously led machine learning products at project44 and Samsara, and CTO Armen Forget, a software architect with a background in military and aerospace engineering. - This Series B round follows a $10.6 million Series A announced just four months prior in October 2025, which was led by Stage 2 Capital. - As part of the funding announcement, the company launched a new product called Letter Compass, which embeds into a seller's workflow to provide real-time guidance by integrating with live CRM data and customer interactions. - Letter AI positions itself against legacy sales enablement platforms like Highspot and Seismic by emphasizing its "AI-native" architecture, designed to provide dynamic, deal-specific coaching rather than managing static content libraries. - The company's value proposition is to increase the amount of time sales teams spend with customers, citing a Salesforce metric that sellers currently spend less than 30% of their time with buyers. - Despite being founded in 2023, the platform has already secured major enterprise clients such as Adobe, Lenovo, Plaid, and SolarWinds. - Lead investor Battery Ventures recently closed a $3.25 billion fund to back companies across stages in sectors including AI and software, signaling a strong focus on AI-native enterprise applications.
