According to AlphaMoat, in September 2026 lmsys (lmsys.org) received 245,747 monthly visits (-8.2% MoM) — ranked #2,103 of 18,341 AI websites with traffic data, and #319 of 2,485 in General AI; its largest market is United States (20.4% of visits).
What is lmsys
LMSYS is a nonprofit research org focused on large models and systems, advancing open, accessible, and scalable infrastructure.
- 01Incubate open-source projects
- 02research large-model systems
- 03release technical projects
- 04advance efficient inference
- 05conduct model-training research
- 06partner with cloud platforms
- 07share blogs and research progress
12-Month Traffic Trend
| Month | Monthly visits | MoM |
|---|---|---|
| 2025-10 | 227.6K | +14.8% |
| 2025-11 | 223.4K | -1.9% |
| 2025-12 | 261.4K | +17.0% |
| 2026-01 | 278.6K | +6.6% |
| 2026-02 | 308.3K | +10.6% |
| 2026-03 | 288.0K | -6.6% |
| 2026-04 | 320.5K | +11.3% |
| 2026-05 | 285.6K | -10.9% |
| 2026-06 | 272.6K | -4.6% |
| 2026-07 | 289.2K | +6.1% |
| 2026-08 | 267.8K | -7.4% |
| 2026-09 | 245.7K | -8.2% |
Visits by Country · Top 5
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FAQ
How many monthly visits does lmsys get?
According to AlphaMoat, lmsys (lmsys.org) received 245,747 visits (about 245.7K) in September 2026 (-8.2% month over month), ranking #2,103 of 18,341 AI websites with traffic data, and #319 in General AI.
Is lmsys’s traffic growing?
Over the last 12 months, lmsys’s monthly visits went from 227.6K in October 2025 to 245.7K in September 2026 — up 8.0% overall; traffic peaked in April 2026 (320.5K).
Where do lmsys’s visitors come from?
In September 2026, lmsys’s largest markets by share of visits are United States 20.4%, China 17.7%, Brazil 4.2%.
What are some alternatives to lmsys?
In General AI, the other products with the most monthly visits are ChatGPT (5.9B), Gemini (2.6B), Claude (1.0B), DeepSeek (357.6M), Grok (205.5M).
Data month: 2026-09 · Visit figures are third-party traffic estimates aggregated monthly — best for scale and trends. Multiple domains of the same product are merged. See methodology.