Lemma

San Francisco, United States

Lemma offers an AI platform that automates prompt optimization and continuous learning for model improvement.

$500K raised

Dec 2025

Pre-Seed

Top Investors

Y Combinator

19,000+ verified contacts

Emails, phones & LinkedIn profiles

How much funding has Lemma raised?

Lemma has raised $500K in total funding. The most recent round was Pre-Seed. The last funding was announced in December 2025.

Who are Lemma's investors?

Lemma's investors include Y Combinator.

Where is Lemma headquartered?

Lemma is headquartered in San Francisco, United States.

What does Lemma do?

Lemma offers an AI platform that automates prompt optimization and continuous learning for model improvement.

What stage is Lemma at?

Lemma is at the Pre-Seed stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated December 19, 2025.

MLA

"Lemma — Funding & Investors." VCBacked, December 19, 2025, https://www.vcbacked.co/company/lemma. Accessed June 17, 2026.

APA

VCBacked. (2025). Lemma — Funding & Investors. Retrieved June 17, 2026, from https://www.vcbacked.co/company/lemma

Wikipedia (cite web)

{{cite web |title=Lemma — Funding & Investors |url=https://www.vcbacked.co/company/lemma |website=VCBacked |access-date=June 17, 2026}}

Profile data sourced and verified per the VCBacked methodology. Last funding round dated December 19, 2025.