LMArena vs VAST Data
LMArena vs VAST Data, compared side by side on 25 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 VAST Data on 74/100.
Where each one leads
LMArena
- domain rating: 80/100 against 72/100
- headcount growth: +116.0% against +35.5%
VAST Data
- our overall score: 74/100 against 67/100
- agent readiness: 53/100 against 40/100
- headcount: 1,201 against 71
- funding raised: $881M against $250M
- LinkedIn following: 65,250 against 18,425
At a glance
| Measure | LMArena | VAST Data |
|---|---|---|
| What it is | A platform for evaluating AI models through anonymous, crowd-sourced pairwise human comparisons and leaderboards. | A universal data platform for AI and analytics, offering high-performance flash storage and a data lakehouse architecture. |
| Category | AI, SaaS, Data | Storage, Computing, Data Center, Infrastructure |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Hardware |
| Founded | 2025 | 2016 |
| Headquarters | San Francisco, United States | New York, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | LMArena | VAST Data |
|---|---|---|
| Employees | 71 | 1,201 |
| Headcount growthLast 12 months | +116.0% | +35.5% |
| Total funding | $250M | $881M |
| Latest round | Series A | Unknown |
| Valuation | $1.7B | $30K |
| LinkedIn followers | 18,425 | 65,250 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | LMArena | VAST Data |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 74/100 |
| Traction | 59/100 | 60/100 |
| Team | 60/100 | 70/100 |
| Community | 8/100 | 8/100 |
| Search visibility | 38/100 | 47/100 |
| Quality | 78/100 | 86/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (40/100) | D (53/100) |
| Domain ratingLink authority, 0-100 | 80/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | LMArena | VAST Data |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Next.js, Tailwind CSS | Nuxt, Tailwind CSS |
| Analytics | Google Analytics 4 | Not detected |
| Support stack | Not detected | HubSpot |
| Open source | No | Yes |
LMArena vs VAST Data: common questions
Which is better, LMArena or VAST Data?
On our 0-100 score VAST Data rates higher (74/100 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 25 data points above: read the rows that match what you are buying for.
How do LMArena and VAST Data compare on the numbers?
LMArena leads on domain rating (80/100 against 72/100), headcount growth (+116.0% against +35.5%). VAST Data leads on our overall score (74/100 against 67/100), agent readiness (53/100 against 40/100), headcount (1,201 against 71), funding raised ($881M against $250M), LinkedIn following (65,250 against 18,425).
Read the full LMArena review and pricing or the VAST Data review and pricing. You can also browse other LMArena alternatives we track.