Onebrief
Onebrief is a defence software company based in Honolulu, United States, founded in 2019. AI planning and command software for militaries. It was valued at $2.15bn on 13 January 2026 (Series D funding round ($200m primary and secondary)), which makes it a unicorn in the 311 Unicorn Index.
Part of the 311 Unicorn Index (311institute.com). Last updated .
Source: Company announcement
About Onebrief
AI planning and command software for militaries. Lead investors in its latest round: Battery Ventures, Sapphire Ventures. Website: onebrief.com.
How this figure is calculated
The valuation set by the latest priced funding round or company-run share sale, as announced by the company or its lead investor, or reported by a major news organisation. Figures in other currencies are converted at the rate on the day of the round. Talks that have been reported but not closed do not count.
Related
- Innovation profile of Honolulu
- United States: economy and key statistics
- The 311 Unicorn Index
- Global Startups Directory
- Global Investors Directory
- All 311 Indexes
Other unicorns in United States
- Anthropic ($965bn)
- OpenAI ($852bn)
- Databricks ($190bn)
- Stripe ($159bn)
- Anduril Industries ($61bn)
- Ramp ($60bn)
- Cognition ($48bn)
- Project Prometheus ($41bn)
- Ripple ($40bn)
- Figure AI ($39bn)
- Safe Superintelligence ($32bn)
- Crusoe Energy Systems ($30.9bn)
- VAST Data ($30bn)
- Scale AI ($29bn)
- The Boring Company ($23bn)
Questions and answers
How much is Onebrief worth?
Onebrief was valued at $2.15bn on 13 January 2026 (Series D funding round ($200m primary and secondary)), according to the 311 Unicorn Index.
Where is Onebrief based?
Onebrief is headquartered in Honolulu, United States.
When was Onebrief founded?
Onebrief was founded in 2019.
What does Onebrief do?
AI planning and command software for militaries.
Is Onebrief a unicorn?
Yes. Onebrief is a privately held company valued at $1 billion or more, so it is a unicorn in the 311 Unicorn Index.
© 311 Institute 2026. Facts from the sources linked on this page. The selection, classification and links are the proprietary work of the 311 Institute, protected by copyright and database rights.