Overview
An open platform for evaluating AI through human preference
Funding
Amounts as reported; USD estimates shown only when they matchListed 3 funding records. Latest funding: $200M (Series B), Oct 9, 2026.
| Date | Amount | Investors | Sources |
|---|---|---|---|
| Oct 9, 2026 | $200M · Series B | 1 source Source ↗ | |
Evidence LMArena raised $200M Series B at $3.1B valuationOn October 9, 2026, per TechCrunch, LMArena raised a $200M Series B at a $3.1B valuation. Translated source brief, not a quotation. Check the original before citing. Sources · 1
| |||
| Jan 7, 2026 | $150M | Andreessen Horowitz, Felicis, Kleiner Perkins, Lauderdale Ventures, LDVP, Lightspeed Venture Partners, The House Fund, University of California Investments | 1 source Source ↗ |
Evidence LMArena reaches USD 30 million in ARROn 2026/1/7, X reported that AI model evaluation platform LMArena raised USD 150 million at a USD 1.7 billion valuation and reached USD 30 million in ARR. The company did not disclose the specific investors. Translated source brief, not a quotation. Check the original before citing. Sources · 1
Andreessen Horowitz, Felicis, Kleiner Perkins, Lauderdale Ventures, LDVP, Lightspeed Venture Partners, The House Fund, University of California Investments | |||
| May 23, 2025 | $100M · Seed | Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Venture Partners, The House Fund, UC Investments | No source link |
Evidence No source brief is attached to this record. Sources · 0
Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Venture Partners, The House Fund, UC Investments | |||
Select ▸ on a row to see its source brief and links.
Valuation
Amounts as reported; USD estimates shown only when they matchListed 3 valuation records. Latest valuation: $3.1B (Series B), Oct 9, 2026.
1 listed record lack a clear date or positive USD estimate for the chart.
| Date | Amount | Investors | Sources |
|---|---|---|---|
| Oct 9, 2026 | $3.1B · Series B | 1 source Source ↗ | |
Evidence LMArena raised $200M Series B at $3.1B valuationOn October 9, 2026, per TechCrunch, LMArena raised a $200M Series B at a $3.1B valuation. Translated source brief, not a quotation. Check the original before citing. Sources · 1
| |||
| Jan 7, 2026 | $1.7B | Andreessen Horowitz, Felicis, Kleiner Perkins, Lauderdale Ventures, LDVP, Lightspeed Venture Partners, The House Fund, University of California Investments | 1 source Source ↗ |
Evidence LMArena reaches USD 30 million in ARROn 2026/1/7, X reported that AI model evaluation platform LMArena raised USD 150 million at a USD 1.7 billion valuation and reached USD 30 million in ARR. The company did not disclose the specific investors. Translated source brief, not a quotation. Check the original before citing. Sources · 1
Andreessen Horowitz, Felicis, Kleiner Perkins, Lauderdale Ventures, LDVP, Lightspeed Venture Partners, The House Fund, University of California Investments | |||
| May 23, 2025 | — · Seed | Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Venture Partners, The House Fund, UC Investments | No source link |
Evidence No source brief is attached to this record. Sources · 0
Andreessen Horowitz, Felicis, Kleiner Perkins, Laude Ventures, Lightspeed Venture Partners, The House Fund, UC Investments | |||
Select ▸ on a row to see its source brief and links.
Revenue
Amounts as reported; USD estimates shown only when they matchListed 2 revenue records. Latest revenue: over $100M (annualized), Jul 1, 2026.
| Revenue date | Amount | Sources |
|---|---|---|
| Jul 1, 2026 | over $100M (annualized) | 1 source Source ↗ |
Evidence LMArena exceeds USD 100 million annualized revenue within 8 months of launchOn 2026/7/1, X reported that US company LMArena’s evaluation product had exceeded USD 100 million annualized revenue 8 months after launch. Its Agent Mode supports complex tasks and multiple tool-call rounds, evaluating models through measures such as task completion rate. Translated source brief, not a quotation. Check the original before citing. Sources · 1
| ||
| Jan 7, 2026 | $30M (ARR) | 1 source Source ↗ |
Evidence LMArena reaches USD 30 million in ARROn 2026/1/7, X reported that AI model evaluation platform LMArena raised USD 150 million at a USD 1.7 billion valuation and reached USD 30 million in ARR. The company did not disclose the specific investors. Translated source brief, not a quotation. Check the original before citing. Sources · 1
| ||
Select ▸ on a row to see its source brief and links.
Team, products & investors
Explore
More MaaS companies
Sources · 0Sources & provenance
English text is maintained separately from the original record. Consult the original source before citing a fact.
No source links are available for this profile.
Original source text
Names may use phonetic renderings when no English name is supplied. The original wording is retained below.
通过人类偏好评测AI的开放平台 An open platform for evaluating AI through human preference