LMSYS Corp

EIN: 994817542 501(c)(3) Science & Technology

Sacramento, CA

Total Revenue
$889,293
Total Expenses
$202,508
Total Assets
$686,785
Net Assets
$686,785
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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year
2024
Legal Domicile
CA
Principal Officer
Ying Sheng
Tax Period
2025-01-01 to 2025-12-31

LMSYS Corp, founded in 2024, is a small nonprofit in the Science & Technology sector that reported $889K in total revenue in fiscal year 2025. The organization ran a surplus of $687K, a strong 77% operating margin.

Mission

LMSYS Corp advances open research and education in large-scale model systems by developing and sharing open-source models, datasets, systems, and evaluation tools that promote transparency, accessibility, and collaboration across the global research community.

Program Service Accomplishments

Program 1
Expenses: $145,523

Open Research and Model Development: LMSYS Corp leads collaborative efforts in developing open large language models and related systems. Through initiatives such as Vicuna, Chatbot Arena, and LMSYS...

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Open Research and Model Development: LMSYS Corp leads collaborative efforts in developing open large language models and related systems. Through initiatives such as Vicuna, Chatbot Arena, and LMSYS Chatbot Leaderboard, we support open benchmarking, transparency, and knowledge sharing across the AI research community. These programs provide critical infrastructure for reproducible AI research and foster innovation through open collaboration and comparative evaluation.

Program 2
Expenses: $48,508

AI Benchmarking and Transparency Initiatives: The Organization develops and maintains public evaluation platforms that allow researchers and the public to test and compare AI models in real time. By...

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AI Benchmarking and Transparency Initiatives: The Organization develops and maintains public evaluation platforms that allow researchers and the public to test and compare AI models in real time. By operating open, accessible benchmarking environments, LMSYS Corp promotes fairness, reproducibility, and accountability in AI performance measurement. These initiatives help ensure that AI development serves both academic progress and societal benefit.

Program 3
Expenses: $1,800

Educational Outreach and Community Engagement: LMSYS Corp hosts workshops, tutorials, and educational events to bridge the gap between cutting-edge AI research and broader public understanding. We...

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Educational Outreach and Community Engagement: LMSYS Corp hosts workshops, tutorials, and educational events to bridge the gap between cutting-edge AI research and broader public understanding. We engage with universities, research groups, and open-source communities to support hands-on learning opportunities and promote best practices in responsible AI development. Our outreach activities foster global participation and empower individuals to contribute meaningfully to the open AI ecosystem.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2025)

Revenue Breakdown

Contributions & Grants $889,147
Program Service Revenue $0
Investment Income $146
Other Revenue $0
TOTAL REVENUE $889,293

Expense Breakdown

Grants Paid $0
Salaries & Benefits $20,201
Fundraising Expenses $0
Program Expenses $195,831
Other Expenses $182,307
TOTAL EXPENSES $202,508

Year-over-Year Comparison

2025 2024 Change
Revenue $889,293 N/A N/A
Expenses $202,508 N/A N/A
Net Income $686,785 $0 N/A
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
5
Independent Members
3
Employees
N/A
Volunteers
5

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
3
$0
Total Directors
5
$0
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
Ying Sheng Prsident 2.00
Officer Director
$0 $0 $0
Lianmin Zheng Vice President & Secretary 1.00
Officer Director
$0 $0 $0
Tiancheng Xie Treasurer 0.50
Officer Director
$0 $0 $0
Jerry Yuan Zhou Director 1.00
Director
$0 $0 $0
Clark Barrett Director 0.10
Director
$0 $0 $0
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $889,293 $202,508 $686,785 $686,785
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