lmarena.ai vs lmsys.org
Market traction comparison · Updated Jul 2026
| lmarena.ai | lmsys.org | Leads | |
|---|---|---|---|
| Monthly Visits | 414.7K | 289.2K | lmarena.ai |
| Bounce Rate | 78.6% | 43.2% | lmsys.org |
| SEO & Keywords | 34 | 30 | lmarena.ai |
| Domain Age | 2y 2m | 3y 5m | lmsys.org |
lmarena.ai leads in 2 of 4 dimensions, while lmsys.org leads in 2.
Growth Momentum
| lmarena.ai | lmsys.org | Leads | |
|---|---|---|---|
| Monthly Visits | 414.7K | 289.2K | lmarena.ai |
| MoM Change | -3% | +6% | lmsys.org |
| Avg. Session | 1m16s | 0m23s | lmarena.ai |
| Pages / Visit | 1.2 | 2.0 | lmsys.org |
Growth Momentum · Insight
lmsys.org is growing faster (+6%) but visitors stay 3.4x shorter (0m23s vs 1m16s). Rapid growth with declining engagement depth often signals lower-quality traffic or shallow product usage.
Acquisition Strategy
| lmarena.ai | lmsys.org | Leads | |
|---|---|---|---|
| Primary Channel | Direct 69% | Search 49% | |
| Bounce Rate | 78.6% | 43.2% | lmsys.org |
| SEO & Keywords | 34 | 30 | lmarena.ai |
Keyword Overlap Rate: 100%
Acquisition Strategy · Insight
lmarena.ai acquires users primarily through Direct (69%), while lmsys.org relies on Search (49%). This reflects fundamentally different go-to-market strategies — lmarena.ai's higher direct traffic suggests stronger brand recognition or product-led growth, while lmsys.org's search reliance means growth is more scalable but more vulnerable to algorithm changes.
Business Maturity
| lmarena.ai | lmsys.org | Leads | |
|---|---|---|---|
| Domain Age | 2y 2m | 3y 5m | lmsys.org |
| Registered | Jun 2024 | Mar 2023 | |
| Expires | Jun 2028 | Mar 2035 |
Business Maturity · Insight
lmsys.org has been in the market 1 years longer (3y vs 2y). lmsys.org's longer track record suggests established operations, while lmarena.ai's entry timing indicates the market still attracts new players.
Market Position
| lmarena.ai | lmsys.org | Leads | |
|---|---|---|---|
| Global Rank | #163.2K | #173.7K | lmarena.ai |
| Category Rank | #2.2K | — | |
| PH Upvotes | 3 | — |
lmarena.ai only
lmsys.org only
Market Position · Insight
lmarena.ai is heavily concentrated in China (73%), creating dependency risk on a single market. lmsys.org has a more diversified audience.
Each has untapped markets the other serves: lmarena.ai could expand into Germany, Canada, while lmsys.org could target Brazil, Pakistan.
Key Takeaways
- •lmarena.ai is losing traffic (-3%) despite 414.7K monthly visits. lmsys.org's +6% growth puts it on a trajectory to overtake.
- •lmsys.org is growing faster (+6%) but visitors stay 3.4x shorter (0m23s vs 1m16s). Rapid growth with declining engagement depth often signals lower-quality traffic or shallow product usage.
- •lmarena.ai acquires users primarily through Direct (69%), while lmsys.org relies on Search (49%). This reflects fundamentally different go-to-market strategies — lmarena.ai's higher direct traffic suggests stronger brand recognition or product-led growth, while lmsys.org's search reliance means growth is more scalable but more vulnerable to algorithm changes.
- •lmarena.ai has 1.4x more traffic (414.7K vs 289.2K), though both operate at comparable scale.
- •lmsys.org is growing (+6%) while lmarena.ai is declining (-3%).
- •lmarena.ai keeps visitors significantly longer (1m16s avg session vs lmsys.org's 0m23s), suggesting deeper product engagement or stickier content.
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Report based on data from July 2026