# LMArena

**Source:** https://www.startuphub.ai/startups/lmarena
**Profile type:** Startup

> A platform for evaluating AI models through anonymous, crowd-sourced pairwise human comparisons and leaderboards.

## About

LMArena provides a transparent, community-driven evaluation platform where users compare anonymous AI model responses to determine performance. It serves as a critical benchmark for AI developers and enterprises to assess real-world model utility and reliability.

## Key facts

- **Slug:** lmarena
- **Website:** https://arena.ai
- **Location:** San Francisco, United States
- **Founded:** 2025-05-01
- **Employees:** 71
- **Operating status:** Active
- **Total funding:** $250M
- **Sectors / tags:** AI, SaaS, Data
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/arenaai
  - Twitter: https://x.com/lmarena_ai

## Frequently asked

### What does LMArena do?

LMArena provides a transparent, community-driven evaluation platform where users compare anonymous AI model responses to determine performance. It serves as a critical benchmark for AI developers and enterprises to assess real-world model utility and reliability.

### How much funding has LMArena raised?

LMArena has raised a total of $250M in funding. The most recent round on record is Series A.

### Where is LMArena headquartered?

LMArena is headquartered in San Francisco, United States.

### When was LMArena founded?

LMArena was founded in 2025.

### What industry does LMArena operate in?

LMArena operates in AI, SaaS, Data.

### How many employees does LMArena have?

LMArena has approximately 71 people on record.

### What is LMArena's revenue?

StartupHub estimates LMArena's annual revenue at $16.5M (range $10.3M to $35.4M, 66% confidence), based on comparable companies in the sector.

### What is LMArena's valuation?

StartupHub estimates LMArena's effective valuation at $113.9M (range $51.0M to $270.2M, 56% confidence), based on comparable companies in the sector.

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