Letter AI

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

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Total raised

$53.4M

Last round

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How much has Letter AI raised?

$53.4Macross 0 recorded rounds

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Letter AI investors

10 investors are on record for Letter AI, including Y Combinator, Pioneer Fund, Soma Capital and Battery Ventures. By type, the record holds 6 venture capital firms and 1 growth equity firm.

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Frequently asked about Letter AI

How much has Letter AI raised?: Letter AI has raised $53.4M in total across 0 recorded funding rounds.