The Hottest AI Startups of 2026
A live ranking of the fastest-growing private AI companies past ~$100M ARR. Every row is sourced, dated, and re-verified weekly — and scored on the SR Momentum Score, a 0–100 composite of funding momentum, hiring velocity, backer quality, corroboration and heat.
Pulled from the $100M ARR Breakout Club (SR30, Class of 2026). Excludes saturated frontier labs (OpenAI, Anthropic, xAI) and non-AI breakouts.
Companies
11
Combined disclosed ARR
$2.9B+
Combined raised
$14B
Refreshed
Weekly
- 1
Perplexity
🇺🇸 · AI answer engine.ReportedARR $450MValuation $23BRaised $1.7BTeam 200Mom.84/100 - 2
Lovable
🇸🇪 · AI app builder.ReportedARR $500MValuation $6.6BRaised $545MTeam 250Mom.83/100 - 3
Mercor
🇺🇸 · AI training-data & expert talent marketplace.EstimatedARR —Valuation $10BRaised $492MTeam 350Mom.82/100 - 4
Mistral AI
🇫🇷 · Open-weight frontier AI models.ReportedARR $400MValuation $20BRaised $6.5BTeam 880Mom.82/100 - 5
Harvey
🇺🇸 · Legal AI for elite law firms.VerifiedARR $300MValuation $11BRaised $1.3BTeam 460Mom.80/100 - 6
Sierra
🇺🇸 · Conversational AI agents for enterprise.ReportedARR $200MValuation $16BRaised $1.5BTeam 500Mom.78/100 - 7
Replit
🇺🇸 · AI-native coding & agents.EstimatedARR $525MValuation $9BRaised $922MTeam 282Mom.76/100 - 8
Granola
🇬🇧 · AI meeting notes.ReportedARR —Valuation $1.5BRaised $192MTeam 116Mom.76/100 - 9
Clay
🇺🇸 · GTM data & outbound automation.ReportedARR $100MValuation $3.1BRaised $204MTeam 300Mom.73/100 - 10
Synthesia
🇬🇧 · Enterprise AI video.ReportedARR $150MValuation $4BRaised $537MTeam 600Mom.70/100 - 11
Freepik (Magnific)
🇪🇸 · Design assets & AI creative tools (rebranded Magnific Apr 2026).ReportedARR $230MValuation —Raised $0Team 1,436Mom.65/100
Why this list is different
- Every figure is sourced and dated. No vibes-based "hottest" — each ARR, valuation and headcount links to a primary source with the verification date.
- Ranked by momentum, not size. Size pins the biggest company at #1 forever. The SR Momentum Score measures how fast each company is breaking out right now.
- Real-time funding news. The per-company changelog logs every round, hire, product launch and expansion as it lands. Refreshed weekly.
- Each row decoded. Most companies link to a full Startup Riders Growth Playbook — how they actually got from $0 to $100M+ ARR.
AI startup funding news, by company
Latest rounds in the cohort, newest first.
- 2026-06-12Mistral AI — Raised ~$3.5B at a ~$20B valuation, roughly doubling its Series C mark [Sacra]
- 2026-05-30Replit — Added a Visa strategic round; total raised ~$922M [Tracxn]
- 2026-05-04Sierra — Raised $950M Series E at a $15.8B valuation, led by Tiger Global and GV [CNBC]
- 2026-04-01Clay — $100M Series C at $3.1B (CapitalG); employee tender marked $5B [Sacra]
- 2026-03-25Granola — Raised $125M Series C at a $1.5B valuation, led by Index Ventures [TechCrunch]
- 2026-03-25Harvey — Raised $200M at an $11B valuation, co-led by GIC and Sequoia [CNBC]
- 2026-03-11Replit — Raised $400M Series D at a $9B valuation, led by Georgian [TechCrunch]
- 2026-01-26Synthesia — Raised $200M Series E at a $4B valuation, led by GV [TechCrunch]
- 2026-01-09Perplexity — Series E-6 lifted valuation to $22.6B; total raised ~$1.72B [Tracxn]
See the full ranking, including non-AI breakouts, on the $100M ARR Breakout Club leaderboard →