Atlas / Distribution, hosting and standards / Arena
Arena
AI Market Atlas · by Pro Pluribus
Formerly LMArena · San Francisco
The crowdsourced model leaderboard, now a commercial evaluation company: $200M at $3.1B (8 Oct).
Same job, different name: Its rankings, with Artificial Analysis and OpenRouter usage, are the market's de facto scoreboard.
What it offers
Main offerings
- Arena leaderboard
- Free head-to-head model comparisons.
- AI Evaluations
- Commercial evaluation analytics for labs and enterprises.
Recent news
- Arena raises $200M Series B at a $3.1B valuationEvaluations become a funded infrastructure layer; valuation nearly doubled in ten months.TechCrunch ↗
Compiled from public sources by Pro Pluribus; updated 16 Oct 2026. General information, not advice. Company names and logos belong to their owners and are used to identify them, without affiliation or endorsement. Terms