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acquisitionAnnounced · Mar 9, 2026Artificial IntelligenceSource · CredibleArticle · Factual
OpenAI acquires Promptfoo Inc.
David Najork · Founding Software Engineer
Announced · Updated · 1 min read
Deal value
—
Target
Promptfoo Inc.
Acquirer
OpenAI
Full Acquisition
Status
Announced
OpenAI agreed to acquire Promptfoo Inc.. Reported deal value: Undisclosed. Status: Announced. Sector: Artificial Intelligence. Target headquarters context: Location not specified.
This page summarizes publicly available information about the transaction as of 2026-03-09. Figures and status may change as filings and press coverage update.
OpenAI to acquire Promptfoo to expand AI application testing capabilities by Duncan Riley SHARE OpenAI Group PBC announced today that it plans to acquire testing and security evaluation platform for artificial intelligence application s startup Promptfoo Inc. for an undisclosed price
Deal timeline
Announced
Mar 9, 2026 · siliconangle.com
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context
This transaction is classified in Artificial Intelligence. Figures and status may change as sources update.
Sources: siliconangle.com · Primary article · FireStrike proprietary index