Private companiesCovered
Guardrails AI
San Francisco, CA
Guardrails AI built open-source validators and tooling to test, monitor and control the outputs of language-model applications and AI agents.
Funding
- Last round or tender
- Seed, Feb 15, 2024, $8M raisedGuardrails AI (GlobeNewswire, via Yahoo Finance), Feb 15, 2024Led by Zetta Venture Partners. No valuation was stated.
- Last valuation
- No citable valuation
Secondary venues
No public venue page on file.
A venue is listed when its public page named the company on the date shown. Nothing is recorded from behind a login, and no indicative price is shown anywhere on this site.
Reads
Acquisition: Closed
The acquisition completed.
Prepared by PiggyGPT, as of Oct 7, 2026
Signals
- Sep 9, 2026Harvey announced its acquisition of Guardrails AI, its fourth of 2026; no price was disclosed.Harvey, Sep 9, 2026
Named counterparties
- HarveyThe acquirer, by its announcement of September 9, 2026.Harvey, Sep 9, 2026
Counterparties are named for a cited reason: a partnership, an investment, or a stated appetite. Naming is not a forecast.
A summary of what the figures on this page add up to, prepared by PiggyGPT from the record on file and its cited sources. Not the Street's view, and not advice.
Sources
- Guardrails AI Joins HarveyHarvey, Sep 9, 2026
- Guardrails AI is Solving the LLM Reliability Problem for AI Developers With $7.5 Million in Seed FundingGuardrails AI (GlobeNewswire, via Yahoo Finance), Feb 15, 2024
Researched Oct 7, 2026