LLM Stats
YC S25New York City, US · Founded 2025 · 2 employees · 1 known investors
llm-stats.com provides open, reproducible evaluation and benchmarking infrastructure for large language models and AI systems. The platform aggregates 200+ benchmarks and enables performance comparisons across frontier AI models to support informed decision-making by researchers, enterprises, and model developers.
Also known as CallingBox · ZeroEval
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareInfrastructureAIUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S25)
LLM Stats was founded in 2025 by Jonathan Chávez and Sebastian Crossa.
JC
Jonathan Chávezin𝕏Co-FounderJonathan Chávez previously worked as an early employee on the LLM Observability team at Datadog and founded LLM-Stats.com. He has conducted undergraduate research in computer vision and machine learning, including work on Vision Transformers for particle physics applications and reinforcement learning for robotics.
SC
Sebastian Crossain𝕏Co-FounderSebastian Crossa is a founding engineer who has worked at Micro, an email infrastructure company backed by a16z, and Atrato Pago (W21), a fintech startup. He co-founded LLM Stats.
Investors · 1
Competitors · 8
by search overlap
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Zapier573 shared keywordsZapier provides a platform for connecting AI models and agents to workflows and business applications, enabling teams to automate tasks across over 9,000 apps without coding. The platform serves enterprises, operations teams, and businesses of all sizes looking to deploy AI-driven automation for lead capture, customer support, employee onboarding, and other business processes.
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Frequently asked questions
- What does LLM Stats do?
- llm-stats.com provides open, reproducible evaluation and benchmarking infrastructure for large language models and AI systems. The platform aggregates 200+ benchmarks and enables performance comparisons across frontier AI models to support informed decision-making by researchers, enterprises, and model developers.
- Who founded LLM Stats?
- LLM Stats was founded by Jonathan Chávez, Sebastian Crossa in 2025.
- Who are LLM Stats's investors?
- LLM Stats's investors include Y Combinator.
- Where is LLM Stats headquartered?
- LLM Stats is headquartered in New York City, US.