Hackathons in Los Angeles, 2026

Hack123 tracks 3 hackathons held in Los Angeles (in person or hybrid); 1 are open for registration. Next deadlines: Swarm Alignment Hackathon 2026 (Nov 8). Biggest prizes: Swarm Alignment Hackathon 2026 ($8k), Dual-Use Hackathon at USC Viterbi ($1.7k).

RelatedCybersecurity & AI Safety hackathonsHackathons in October 2026Startup hackathonsAI hackathonsStudent hackathonsAI Agent hackathonsHackathons in November 2026Online hackathons

• Open · soonest deadline first (1)
• Swarm Alignment Hackathon 2026$8k

  Due 11-08Hybrid · Los Angeles

  ProfessionalsInternationalAdvancedMulti-agentAI securityAgent
  Source↗
• Closed · most recent first (2)
• AI Hackathon 2026 by LA Hacks (UCLA, Los Angeles)

  Due 10-18In person · Los Angeles

  StudentsInternationalIntermediateAI
  黑123Website↗
• Dual-Use Hackathon at USC Viterbi (LA Tech Week, $1,700 cash)$1.7k

  Due 10-16In person · Los Angeles

  ProfessionalsFoundersInternationalIntermediateStartups
  黑123Partiful↗

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