LMArena vs Zillow
LMArena vs Zillow, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: LMArena is on 67/100 and Zillow on 70/100.
Where each one leads
LMArena
- agent readiness: 40/100 against 36/100
- funding raised: $250M against $134M
Zillow
- domain rating: 92/100 against 80/100
- headcount: 9,954 against 71
- LinkedIn following: 533,258 against 18,425
At a glance
| Measure | LMArena | Zillow |
|---|---|---|
| What it is | A platform for evaluating AI models through anonymous, crowd-sourced pairwise human comparisons and leaderboards. | Real estate marketplace |
| Category | AI, SaaS, Data | Real Estate, Internet, Software, Data |
| Sells toBusiness model | B2B | B2C |
| Offering | Platform | Marketplace |
| Founded | 2025 | 2006 |
| Headquarters | San Francisco, United States | Seattle, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | LMArena | Zillow |
|---|---|---|
| Employees | 71 | 9,954 |
| Headcount growthLast 12 months | +116.0% | Not published |
| Total funding | $250M | $134M |
| Latest round | Series A | Series C |
| Valuation | $1.7B | $1.1B |
| LinkedIn followers | 18,425 | 533,258 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | LMArena | Zillow |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 70/100 |
| Traction | 59/100 | 60/100 |
| Team | 60/100 | 30/100 |
| Community | 8/100 | Not published |
| Search visibility | 38/100 | 44/100 |
| Quality | 78/100 | 88/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (40/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 80/100 | 92/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LMArena | Zillow |
|---|---|---|
| Hosting | Vercel | AWS |
| CDN | Cloudflare | CloudFront |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Google Analytics 4 | Not detected |
LMArena vs Zillow: common questions
Which is better, LMArena or Zillow?
On our 0-100 score Zillow rates higher (70/100 against 67/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do LMArena and Zillow compare on the numbers?
LMArena leads on agent readiness (40/100 against 36/100), funding raised ($250M against $134M). Zillow leads on domain rating (92/100 against 80/100), headcount (9,954 against 71), LinkedIn following (533,258 against 18,425).
Read the full LMArena review and pricing or the Zillow review and pricing. You can also browse other LMArena alternatives we track.