ColiseoHead-to-Head Startup Ranking & Discovery
A
AI safety company and creator of Claude, a family of frontier language models built for reliability and interpretability.
Founded
2021
Headquarters
San Francisco, USA
Team size
1,001–5,000
Total funding
$18B+
Valuation
$183B
Stage
Late-stage
Founders
Dario Amodei · Daniela Amodei · Jared Kaplan · Tom Brown
📊 Coliseo ratings
🏆 Overall 1625 Elo
Total matchups10
⚔️ Vote on today's matchups →Ratings are live Elo scores from head-to-head crowd votes — opinion, not fact or financial advice. How it works →