Promptfoo develops software tools that support testing, evaluation, and security analysis of applications built with language models.
Promptfoo has raised $18.4M in total funding. The most recent round was Series A. The last funding was announced in July 2025.
Promptfoo's investors include Andreessen Horowitz, Insight Venture Management, LLC., Tobias Lütke, Frederic Kerrest, Stanislav Vishnevskiy.
Promptfoo is headquartered in San Francisco, United States.
Promptfoo develops software tools that support testing, evaluation, and security analysis of applications built with language models.
Promptfoo is at the Series A stage.
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"Promptfoo — Funding & Investors." VCBacked, July 29, 2025, https://www.vcbacked.co/company/promptfoo. Accessed November 13, 2026.
VCBacked. (2025). Promptfoo — Funding & Investors. Retrieved November 13, 2026, from https://www.vcbacked.co/company/promptfoo
{{cite web |title=Promptfoo — Funding & Investors |url=https://www.vcbacked.co/company/promptfoo |website=VCBacked |access-date=November 13, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated
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