Top AI Startups 2026: Biggest Rounds, Most Valuable Companies & Top Investors

Value Add VC has tracked 111 AI venture rounds in 2026 totaling $281.0B, including 15 rounds ($2.5B) in Q4 2026. Ranked below: the biggest rounds, the companies that raised the most in 2026 and the ones with the highest reported valuations, and the most active lead investors.

AI model labs, AI infrastructure, compute and cloud startups. Private companies only; rounds tracked by Value Add VC, not a market total.

Methodology

Rounds tracked by Value Add VC from filings, wire releases and news outlets — not a total for the whole market or a complete list of every AI company. Data window: 2026 year-to-date for the biggest rounds, the companies that raised the most, and lead-investor rankings. Companies by valuation show each company's latest reported valuation (since mid-2025) — an older figure is left off rather than shown as current.

Ranked by dollar amount (rounds, companies by funding), by latest reported figure (companies by valuation), and by number of tracked deals led (investors). Public companies, debt, fund closes, acquisitions and unverified/rumored rounds are excluded.

Last updated 2026-10-14. Missing a company or round? Submit it →

Biggest AI rounds, 2026 year-to-date

Biggest AI rounds, Q4 2026

#DateCompanyStageAmountLed bySource
1Oct 9, 2026TypeSafe AISeries A$870MAndreessen HorowitzTypeSafe AI
2Oct 8, 2026ManusUndisclosed$500M+IDG CapitalSiliconANGLE
3Oct 9, 2026Oxide ComputerSeries D$445MEclipse VenturesPR Newswire
4Oct 2, 2026PaleBlueDot AISeries C$200MB CapitalThe SaaS News
5Oct 8, 2026ArenaSeries B$200MLightspeed Venture Partners, Khosla VenturesTechCrunch
6Oct 7, 2026Nous ResearchSeries B$90MRobot VenturesTechCrunch
7Oct 7, 2026TeddyHoldings.AISeed$60M—Pulse 2.0
8Oct 5, 2026Clockwork.ioUndisclosed$31MPremji Invest, Wing Venture Capital, Seligman VenturesThe SaaS News
9Oct 1, 2026HalluminateSeries A$30M—Fortune
10Oct 12, 2026MistlabsPre-A$26M—SiliconANGLE
11Oct 8, 2026Rein SecuritySeries A$25MGlilot CapitalSiliconANGLE
12Oct 11, 2026Preference ModelSeed$16MAndreessen HorowitzThe SaaS News
13Oct 11, 2026ProximalSeed$15MGeneral CatalystThe SaaS News
14Oct 5, 2026ReactorUndisclosedUndisclosed—Fortune
15Oct 7, 2026TabUndisclosedUndisclosed—TechCrunch

AI companies that raised the most in 2026

#Company2026 tracked fundingTracked roundsLatest round
1OpenAI$122.0B1Mar 31, 2026
2Anthropic$95.0B2May 28, 2026
3xAI$20.0B1Jan 6, 2026
4Prometheus$12.0B1Jun 11, 2026
5Databricks$5.0B1Aug 13, 2026
6Crusoe$3.9B1Sep 17, 2026
7Fluidstack$2.3B2Sep 3, 2026
8Baseten$1.5B1Jun 22, 2026
9Fireworks AI$1.5B1Jul 16, 2026
10Instinct$1.3B2Sep 28, 2026
11Ineffable Intelligence$1.1B1Apr 17, 2026
12Etched$1.0B2Aug 18, 2026
13SB Energy$1.0B1Jan 9, 2026
14TypeSafe AI$910M2Oct 9, 2026
15Oxide Computer$890M2Oct 9, 2026

Most valuable AI companies (latest reported valuation, since mid-2025)

#CompanyValuationAs ofSource
1Anthropic$965B2026-05-29TechCrunch
2OpenAI$852B2026-08-10CNBC
3xAI$230–250B2026-07-09no source link
4Databricks~$190B2026-08-13Databricks Raises $5B at $190B Valuation (Value Add VC)
5Prometheus$41B2026-07MSN
6Crusoe$30.9B2026-09-17Crusoe
7Etched$21B2026-08-18TechCrunch
8Perplexity$20B2025-09-10TechCrunch
9Fluidstack$18B2026-09-03Forbes
10Fireworks AI$17.5B2026-07-16SiliconANGLE
11Baseten$13B2026-06-23Dealroom / company announcement
12Thinking Machines$12B2025-07-15TechCrunch
13Instinct$10B2026-09-28TechCrunch
14Mercor$10B2026no source link
15Together AI$8.3B (Jul 2026)2026-07no source link

Most active AI lead investors, 2026

Latest AI rounds (last 30 days)

#DateCompanyStageAmountLed bySource
1Oct 12, 2026MistlabsPre-A$26M—SiliconANGLE
2Oct 11, 2026Preference ModelSeed$16MAndreessen HorowitzThe SaaS News
3Oct 11, 2026ProximalSeed$15MGeneral CatalystThe SaaS News
4Oct 9, 2026Oxide ComputerSeries D$445MEclipse VenturesPR Newswire
5Oct 9, 2026TypeSafe AISeries A$870MAndreessen HorowitzTypeSafe AI
6Oct 8, 2026ArenaSeries B$200MLightspeed Venture Partners, Khosla VenturesTechCrunch
7Oct 8, 2026ManusUndisclosed$500M+IDG CapitalSiliconANGLE
8Oct 8, 2026Rein SecuritySeries A$25MGlilot CapitalSiliconANGLE
9Oct 7, 2026Nous ResearchSeries B$90MRobot VenturesTechCrunch
10Oct 7, 2026TabUndisclosedUndisclosed—TechCrunch
11Oct 7, 2026TeddyHoldings.AISeed$60M—Pulse 2.0
12Oct 5, 2026Clockwork.ioUndisclosed$31MPremji Invest, Wing Venture Capital, Seligman VenturesThe SaaS News
13Oct 5, 2026ReactorUndisclosedUndisclosed—Fortune
14Oct 2, 2026PaleBlueDot AISeries C$200MB CapitalThe SaaS News
15Oct 1, 2026HalluminateSeries A$30M—Fortune

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