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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Cap table — not yet on record
Letter AI's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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