Arsi AI raises Series B funding at $1 billion valuation led by Vista Equity Partners, Cambium Capital, and Emergence Capital.
Amount Raised
$150 Million
Round Type
Series B
Investors
Description
Arsi AI, a U.S. startup developing open-weight AI models, has closed a Series B funding round at a valuation of approximately $1 billion. The round was worth at least $150 million, according to reports. Vista Equity Partners, Cambium Capital, and Emergence Capital led the investment, with participation from A10 Ventures, Hitachi, IAG, Microsoft M12, P7, and Wipro
Quick answer
Arsi AI raised $150 Million in a Series B round, dated September 17, 2026. Investors: Iag, Hitachi, A10 Ventures, M12, P7, Wipro, Vista Equity Partners and Emergence Capital.
- How much did Arsi AI raise?
- Arsi AI raised $150 Million in a Series B round on September 17, 2026.
- Who invested in Arsi AI?
- Iag, Hitachi, A10 Ventures, M12, P7, Wipro, Vista Equity Partners and Emergence Capital are named as investors in this round.
- What does Arsi AI do?
- Arsi AI is a U.S. startup that develops open-weight AI models, giving companies greater control over the AI systems they use.
- Where is Arsi AI based and how big is it?
- Fundz records about 13 employees.
- Who are the decision-makers at Arsi AI?
- Fundz holds 1 contact at Arsi AI, including the Chief Technology Officer. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Natural Language Processing and Software around the same time
Companies in the same sectors as Arsi AI that raised within 45 days of this round, from Fundz verified event records.
- Ares Intelligence raised $2.9M (Seed) on October 30, 2026.
- Avante raised $30M (Series A) on October 27, 2026.
- Live2.ai raised $14M on October 27, 2026.
- Estha (Esther.AI Pte. Ltd.) raised $1M (Pre-Seed) on October 26, 2026.
- Caju AI raised an undisclosed amount (Corporate Round) on October 26, 2026.
- Data-Limited Regime raised $3.5M (Seed) on October 26, 2026.
Who to call at Arsi AI, and when
A new round usually means Arsi AI is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Arsi AI raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Arsi AI, from your own LinkedIn network
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Funding Insights
What this usually meansArsi AI raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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