# AI funding rounds led by Andreessen Horowitz Lead investor · Presspool · https://presspool.ai/investors/andreessen-horowitz Andreessen Horowitz led or co-led 8 funding rounds at 8 AI companies on Presspool's record, announced between January 22, 2026 and October 9, 2026. The most recent: TypeSafe AI, Ghost and Armadin. | Company | Amount | Round | Announced | Co-leads | | --- | --- | --- | --- | --- | | [TypeSafe AI](https://presspool.ai/companies/typesafe-ai) | $870 million | Series A | October 9, 2026 | None named | | [Ghost](https://presspool.ai/companies/ghost-ai) | $11 million | Seed | October 5, 2026 | None named | | [Armadin](https://presspool.ai/companies/armadin-com) | $255.5 million | Series B | October 1, 2026 | [Accel](https://presspool.ai/investors/accel) | | [Aleph](https://presspool.ai/companies/alephsurgical-com) | $7.5 million | Pre-seed | September 30, 2026 | None named | | [EliseAI](https://presspool.ai/companies/eliseai-com) | $350 million | Round type not disclosed | September 29, 2026 | [Bessemer Venture Partners](https://presspool.ai/investors/bessemer-venture-partners) | | [Cognition](https://presspool.ai/companies/cognition-com) | $2B | Series E | September 8, 2026 | [Accel](https://presspool.ai/investors/accel) | | [Exa](https://presspool.ai/companies/exa-ai) | $250M | Series C | May 20, 2026 | None named | | [Inferact](https://presspool.ai/companies/inferact-ai) | $150 million | Seed | January 22, 2026 | [Lightspeed Venture Partners](https://presspool.ai/investors/lightspeed-venture-partners) | ## Each round and its sources ### 1. TypeSafe AI: $870 million Series A Valuation: $7.5 billion; Sequoia Capital and existing investor DCVC participated. - Announced: October 9, 2026 - Company record: [TypeSafe AI on Presspool](https://presspool.ai/companies/typesafe-ai) - Listed in the [AI startup funding roster for October 5–10, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-10-05) - Sources: [TypeSafe AI announcement](https://typesafe.ai/blog/series-ai), [TechCrunch](https://techcrunch.com/2026/10/09/the-maker-of-non-text-ai-model-jev-valued-at-7-5b-just-weeks-after-launch/) ### 2. Ghost: $11 million Seed Ghost emerged from stealth with the round; Abstract, Audacious Ventures, SV Angel and Nova also invested. - Announced: October 5, 2026 - Company record: [Ghost on Presspool](https://presspool.ai/companies/ghost-ai) - Listed in the [AI startup funding roster for October 5–10, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-10-05) - Sources: [TechCrunch](https://techcrunch.com/2026/10/05/at-19-ghost-founder-raises-11-million-to-build-a-3499-computer-for-your-personal-ai/), [Crypto Briefing](https://cryptobriefing.com/ghost-emerges-stealth-11m-ai-computer/) ### 3. Armadin: $255.5 million Series B Valuation: over $2.5 billion. - Announced: October 1, 2026 - Company record: [Armadin on Presspool](https://presspool.ai/companies/armadin-com) - Listed in the [AI startup funding roster for September 28, 2026 – October 3, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-09-28) - Sources: [PR Newswire](https://www.prnewswire.com/news-releases/armadin-raises-255-5-million-series-b-to-scale-effective-autonomous-security-302895278.html), [TechCrunch](https://techcrunch.com/2026/10/01/kevin-mandias-new-agent-swarm-security-startup-armadin-raises-255-5m-at-2-5b-valuation/) ### 4. Aleph: $7.5 million Pre-seed BoxGroup, Reveille VC, Constellation, FDVC, Valkyrie Ventures, Discipulus Ventures and Maniac Ventures participated. - Announced: September 30, 2026 - Company record: [Aleph on Presspool](https://presspool.ai/companies/alephsurgical-com) - Listed in the [AI startup funding roster for September 28, 2026 – October 3, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-09-28) - Sources: [Aleph](https://alephsurgical.com/blogs/pre-seed-funding), [WOWTALE](https://en.wowtale.net/2026/10/01/235322/) ### 5. EliseAI: $350 million, round type not disclosed Valuation: $4 billion. - Announced: September 29, 2026 - Company record: [EliseAI on Presspool](https://presspool.ai/companies/eliseai-com) - Listed in the [AI startup funding roster for September 28, 2026 – October 3, 2026](https://presspool.ai/ai-startup-funding/week-of-2026-09-28) - Sources: [GlobeNewswire](https://www.globenewswire.com/news-release/2026/09/29/3370681/0/en/eliseai-raises-350-million-at-4-billion-valuation-to-bring-ai-deeper-into-housing-and-healthcare-operations.html), [TechCrunch](https://techcrunch.com/2026/09/29/a16z-backed-eliseai-raises-350m-doubles-valuation-to-4b/) ### 6. Cognition: $2B Series E - Announced: September 8, 2026 - Company record: [Cognition on Presspool](https://presspool.ai/companies/cognition-com) - Sources: [cognition.com](https://cognition.com/blog/series-e) ### 7. Exa: $250M Series C - Announced: May 20, 2026 - Company record: [Exa on Presspool](https://presspool.ai/companies/exa-ai) - Sources: [exa.ai](https://exa.ai/blog/announcing-series-c) ### 8. Inferact: $150 million Seed - Announced: January 22, 2026 - Company record: [Inferact on Presspool](https://presspool.ai/companies/inferact-ai) - Sources: [techcrunch.com](https://techcrunch.com/2026/01/22/inference-startup-inferact-lands-150m-to-commercialize-vllm/) ## What this page covers Presspool records the lead investors of each round, as the company's announcement or the confirming outlets name them. This page lists the rounds this investor led on Presspool's record: every weekly AI startup funding roster, and the latest round of each company on a niche map. It is not the investor's full portfolio, and rounds it joined without leading are not listed. All lead investors: [Investors](https://presspool.ai/investors) --- Presspool is a sourced record of AI startup funding. Rounds are listed because they were publicly announced, and no company pays to be listed. Who publishes it and how it stays editorially independent: [About](https://presspool.ai/about). More: [Tracker](https://presspool.ai/) · [Funding](https://presspool.ai/ai-startup-funding) · [Niches](https://presspool.ai/niches) · [Investors](https://presspool.ai/investors) · [Method](https://presspool.ai/method) · [About](https://presspool.ai/about) · [Contact](https://presspool.ai/contact) · [llms.txt](https://presspool.ai/llms.txt)