Chicago, IL · Founded 2023 · Privately Held (backing)
Developer of a generative artificial intelligence platform designed to accelerate content creation for sales teams. Letter AI is based in Chicago, IL and was founded in 2023. Its last reported valuation was $306 million in Feb 2026. It has raised $53.4 million.
Last reported valuation
$305.5M
Oct 2026
Priced at
—
Total raised
$53.4M
Last round
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Team — not yet on record
No current team members for Letter AI are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·Watch Letter AI: the Monday email on marks, rounds and moves
