Arthur AI
PrivateLast Round
Series B
Sep 27, 2022
Est. Valuation
$154.35M
Total Funding Raised
$63.6M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Arthur AI is an enterprise software company that provides a machine learning observability and performance platform to monitor, measure, and secure artificial intelligence models in production.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Data Governance, NLP & Conversational AI, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Arthur AI Comparables
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Arthur AI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Sep 27, 2022 | ||||
| Series A | Dec 9, 2020 | ||||
| Seed | Dec 11, 2019 | ||||
| Seed | Aug 1, 2019 |
Arthur AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Work-Bench | Series A, Series B, Seed |
| BAM Elevate | Series B |
| Acrew Capital | Series A, Series B |
| AME Ventures | Seed, Series A |
| Greycroft | Series B |
| Index Ventures | Series B, Seed, Series A |
| Quarry Ventures | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 8, 2026
Added opentoworld, an HR Technology/Recruiting startup, as a customer.
- Dec 8, 2025
Added Axios Media, Inc. from the Media industry.
Arthur AI Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Arthur AI's valuation, stock price, and market status.