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LMSYS Org
Arena AI provides a benchmarking platform and leaderboard for evaluating large language models through crowdsourced evaluations and battle modes.
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LMSYS Org at a glance
LMSYS Org is an artificial intelligence company headquartered in United States. It has raised at least $250M across the 2 funding rounds on record. Its most recent funding round, Seed, raised $150M in January 2026.
LMSYS Org funding rounds
At least $250M raised across the 2 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | $150M | — | |
| Seed | $100M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
LMSYS Org competitors
A few of LMSYS Org's closest competitors — see the full list of competitors and alternatives →
Apollo Research conducts fundamental research into frontier AI safety, focusing on detecting and mitigating scheming, strategic deception, and misaligned behavior. The company provides pre-deployment evaluations and runtime monitoring tools, such as Watcher, to secure AI systems for enterprise clients, developers, and governments.
Epoch AI is a data-first research nonprofit that investigates the trajectory, trends, and governance of artificial intelligence. The institute develops databases and hosting tools tracking AI inputs such as machine learning hardware, training compute, data centers, and investments, while also running independent model evaluations and benchmarks.
Arena AI provides a crowdsourced platform for ranking large language models and evaluating AI capabilities through interactive leaderboards and battles.
CoArena provides a benchmarking platform and evaluation arena for computer-use AI agents. It offers live tasks, blind human judgment, and published metrics to test and compare the performance of AI agents on real-world tasks.
Design Arena is a software development company headquartered in San Francisco, California. It operates the world's first crowdsourced benchmark for AI-generated design and visuals, providing the same creative prompts to top AI models and showcasing their results.
Artificial Analysis is a technology and information company headquartered in San Francisco, California, focused on building the future of AI benchmarking and analysis for models and API providers.
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More on LMSYS Org in Xcout Intel
- 2 funding rounds with the investors in each, and who they co-invest with
- The full competitor set, tracking, exports and API access