About OpenAI Startup Fund
OpenAI Startup Fund is a venture capital firm founded in 2015. It is primarily based out of San Francisco, United States. As of Nov 2025, OpenAI Startup Fund is an active investor, having invested in 14 companies, with 3 new investments in the last 12 months. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and FinTech. Most recently it participated in the $***** Series B round of Kick Overall, OpenAI Startup Fund portfolio has seen 4 unicorns and 2 acquisitions including key companies like Speak, Harvey and Ambience. A lot of funds co-invest with OpenAI Startup Fund, with names like Arash Ferdowsi sharing a substantial percentage of its portfolio. OpenAI Startup Fund has team of 2 people including 2 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A & 3 more
Portfolio Acquisitions
OpenAI Startup Fund's List of Top Investments
OpenAI Startup Fund has a portfolio of 14 companies, including 4 unicorns. Their most notable investments are in Mem Technologies and Anysphere.Their portfolio spans across and United States. They have invested in Enterprise Applications, High Tech, FinTech and 8 other sectors, across stages such as Series B, Series A and 3 more. Here is the list of top investments by OpenAI Startup Fund:1. Speak
AI-powered language learning platform. Its platform helps users to practice conversational English with an AI bot. Its mobile app is available for iOS and Android devices.
Key facts about Speak
- Founded Year: 2016
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $162M
- Employee Count: 294 as on May 31, 2026
- Investors: Accel, Sound Ventures and 25 Others
- Latest Funding Round: Series C, Nov 13, 2024, $*****
- Highlight: Editors' Pick
2. Harvey
Provider of an AI software for legal and professional services. It allows users to ask question in natural language, and the AI generates answers based on user speicifications. The AI performs research to find relevant case law, statutes, and regulations to support legal arguments. It offers services including legal research and analysis, contract analysis, litigation support, regulatory compliance, and more.
Key facts about Harvey
- Founded Year: 2022
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series G
- Total Funding till date: $1.22B
- Employee Count: 1,441 as on May 31, 2026
- Investors: T. Rowe Price, GIC and 19 Others
- Latest Funding Round: Series G, Mar 24, 2026, $*****
- Highlight: Editors' Pick

3. Ambience
Provider of AI-based medical scribe software for providers. The company offers a fully automated AI medical scribe that Embeds into EMR workflows and generates notes within seconds.
Key facts about Ambience
- Founded Year: 2020
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series C
- Total Funding till date: $313M
- Employee Count: 237 as on May 31, 2026
- Investors: Founders Circle Capital, Georgian and 13 Others
- Latest Funding Round: Series C, Jul 01, 2025, $*****
- Highlight: Editors' Pick
4. Anysphere
Developer of software and models for automating code and improving programmers. The company builds tools intended to create a human-AI hybrid programmer. The software and model are designed to enhance control over codebases. It builds intelligent coding tools, including an AI-powered code editor.
Key facts about Anysphere
- Founded Year: 2022
- Location: San Francisco (United States)
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $3.38B
- Employee Count: 1,423 as on May 31, 2026
- Investors: Accel, DST Global and 11 Others
- Latest Funding Round: Series D, Nov 13, 2025, $*****
- Highlight: Acquired
5. Adaptive
Provider of security training platform. It is a platform that protects companies from deepfakes and AI threats. The company offers AI-powered security solutions to ensure the SaaS security hygiene for organizations. Businesses can learn about the cybersecurity risks and adapt to threats in real-time.
Key facts about Adaptive
- Founded Year: 2025
- Location: Manhattan (United States)
- Stage: Series B
- Total Funding till date: $124M
- Investors: Andreessen Horowitz, Nvidia and 10 Others
- Latest Funding Round: Series B, Dec 16, 2025, $*****
- Highlight: Editors' Pick
OpenAI Startup Fund's Year-on-Year Investment Trends
OpenAI Startup Fund has invested in 14 companies over the last 4 years, with an average of 4 new investments annually in the last 3 years. In 2025, it made 10 investments. Its most recent first time investment was in Kick and most recent follow-on round was in Harvey.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 5 | 5 | 10 |
2024 | 2 | 2 | 4 |
2023 | 6 | 0 | 6 |
2022 | 1 | 0 | 1 |
OpenAI Startup Fund's Investments by Stage
OpenAI Startup Fund has made 5 investments in Series B stage with an average round size of $161M, 4 investments in Series A stage with an average round size of $25.4M, 3 investments in Seed stage with an average round size of $15M, 1 investment in Series C stage with an average round size of $243M and 1 investment in Series D stage with an average round size of $5M.Stage of entry | No. of Investments |
|---|---|
Series B | 5 |
Series A | 4 |
Seed | 3 |
Series C | 1 |
Series D | 1 |
Note: We have considered here, only first round of investments
OpenAI Startup Fund's Investments by Sector
OpenAI Startup Fund has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, Artificial Intelligence - Industry Applications, Consumer and EdTech. Notably, it has invested in 14 Software companies, 14 Tech companies, 11 Enterprise (B2B) companies and at least 5 companies focusing on AI-Native.Sector | No. of Investments |
|---|---|
Enterprise Applications | 9 |
High Tech | 4 |
Artificial Intelligence - Industry Applications | 2 |
Consumer | 2 |
EdTech | 2 |
Others | 14 |
Note: We have considered here, only first round of investments
OpenAI Startup Fund's Investments by Geography
OpenAI Startup Fund has made most investments in United States (14).OpenAI Startup Fund's recent investments
OpenAI Startup Fund has not made any investment in 2026 so far.Here are the most recent investments by OpenAI Startup Fund:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Nov 05, 2025 | United States | Series B | 4776 | [+2] | |
Oct 29, 2025 | United States | Series F | 4843 | [+8] | |
Sep 09, 2025 | United States | Series A | 4939 | - | |
Aug 14, 2025 | United States | Seed | 6042 | [+1] | |
Aug 06, 2025 | United States | Series B | 5306 | - |
Unicorns in OpenAI Startup Fund's Portfolio
OpenAI Startup Fund has 4 unicorns in its portfolio - Ambience, Speak, Harvey and others. The most recent unicorn in their portfolio is Ambience. It became a unicorn in 2025.Here is a list of unicorns in OpenAI Startup Fund's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
70 | Provider of AI-based medical scribe software for providers | 2020 | San Francisco | Series C | fssdgbr | ||
78 | AI-powered language learning platform | 2016 | San Francisco | Series C | xdkhoao | ||
74 | Provider of an AI software for legal and professional services | 2022 | San Francisco | Series G | bhgmsnl | ||
59 | Developer of AI-powered humanoid robots designed for everyday home assistance | 2022 | San Jose | Series C | edueqgd |
Acquired companies in OpenAI Startup Fund's Portfolio
2 companies from OpenAI Startup Fund's portfolio have been acquired. The most recent acquisition was Anysphere in Jun 2026 by SpaceX for $*****.Here are OpenAI Startup Fund's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jun 16, 2026 | Sep 01, 2023 | Seed | 4804 | |
Apr 24, 2025 | Oct 07, 2023 | Seed | 9222 |
Team profile of OpenAI Startup Fund
OpenAI Startup Fund has a team of 2 members including 2 Partners located in United States and India. OpenAI Startup Fund's team does not sit on the board of any company as of now.Co-investors of OpenAI Startup Fund
Over the past 4 years, 113 investors have co-invested in OpenAI Startup Fund's portfolio companies. This includes funds and angels.
- Invested before OpenAI Startup Fund: OpenAI, Andreessen Horowitz and 31 others have invested in rounds before OpenAI Startup Fund. There are 3 companies where OpenAI has invested before OpenAI Startup Fund and 2 companies where Andreessen Horowitz has invested before OpenAI Startup Fund.
- Top Co-investors of OpenAI Startup Fund: 42 investors entered a company along with OpenAI Startup Fund. These include investors like Arash Ferdowsi (2 companies).
- Invested after OpenAI Startup Fund: A total of 38 investors have invested in OpenAI Startup Fund's portfolio after their investments. Top Investors include Accel (2 companies), Google Ventures (2 companies) and Coatue (2 companies).
Recent News related to OpenAI Startup Fund
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Adaptive Security Secures $81M to Enhance AI Social Engineering Defense PlatformSiliconAngle•Dec 17, 2025•PayPal, Bain Capital Ventures, Adaptive, Xerox and 7 others
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Nvidia-backed Cursor raises $2.3b series D at $29.3b valuationTech in Asia•Nov 14, 2025•Cursor, Google, Coatue, Nvidia and 7 others
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Polish Kick closes new funding round and sets future of AI accountingMamStartup•Nov 05, 2025•Kick, OpenAI Startup Fund, Google Ventures, Felicis Ventures and 5 others
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OpenAI joins $30m funding for biotech AI startup ValthosTech in Asia•Oct 25, 2025•OpenAI Startup Fund, Founders Fund, Lux Capital, Valthos and 1 other
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OpenAI Fund Extends Investment in Adaptive Security, Totaling $55M in Series ACIO Influence•Sep 09, 2025•Adaptive, OpenAI, OpenAI Startup Fund
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Endex.ai Secures $14M in OpenAI-Led Funding to Integrate AI Agents into ExcelTechStartups.com•Aug 07, 2025•Endex, OpenAI Startup Fund, Adarga Systems, Microsoft and 4 others
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Unify Secures $40 Million Series B to Revolutionize Go-To-Market with AIintelligence360•Jul 31, 2025•Unify, Capital 49, Cannon Project, OpenAI Startup Fund and 4 others
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Ambience Healthcare Announces $243 Million Series C to Scale its AI Platform for Health Systems
Access Newswire•Jul 29, 2025•Ambience, OpenAI Startup Fund, Smash Capital, Georgian and 11 others
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Unify Raises $40 Million Series B to Transform Go-To-Market with AITMC•Jul 16, 2025•Unify, Battery Ventures, OpenAI Startup Fund, Thrive Capital and 3 others
