Top US funding rounds: AI drives varied megadeals

Crunchbase's weekly roundup shows AI chipmaker Tenstorrent raised $1.5B in Series E at a $6.2B valuation, while year-old AI lab Flapping Airplanes raised $1B in Series A less than 10 months after a $180M seed. ASI raised $325M Series C and Xona $250M Series D.

• AI Research Startup Flapping Airplanes Raises $1B at $6B Valuation2026-10-21
• Acquirers snap up boom-era startups that haven't raised funding in years2026-10-22
• Crunchbase: 195 AI startups acquired so far this year2026-10-21
• ASI raises $325M at $3B valuation2026-10-20
• Crunchbase: four AI firms took 65% of Q1 VC funding2026-10-20