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LMSYS Org competitors & alternatives
The 12 closest competitors and alternatives to LMSYS Org among artificial intelligence companies — ranked by similarity to what LMSYS Org actually does, not by market-cap band.
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About LMSYS Org
Arena AI provides a benchmarking platform and leaderboard for evaluating large language models through crowdsourced evaluations and battle modes.
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 | 5 named | |
| Seed | $100M | 5 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Top 12 LMSYS Org competitors
Ranked by semantic similarity — how close each company is to LMSYS Org by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
AI/ML
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.
AI/ML
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.
Similar artificial intelligence company
Arena AI provides a crowdsourced platform for ranking large language models and evaluating AI capabilities through interactive leaderboards and battles.
AI/ML
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.
AI/ML
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.
AI/ML
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.
AI/ML
LLM Stats is a platform that indexes over 601 AI and LLM benchmarks across various domains, including reasoning, coding, math, vision, and tool use. It also aggregates the latest news, updates, and releases concerning LLMs and AI models.
AI/ML
Vals provides independent evaluation and benchmarking services for artificial intelligence models, testing them on economically valuable and real-world tasks such as finance, software engineering, and frontier risks. The company develops in-house benchmarks and issues regular performance reports and indexes to compare leading AI systems.
AI/ML
Snorkel AI builds specialized training data, benchmarks, and evaluation environments. These tools help frontier models and agents perform effectively in high-stakes domains.
AI/ML
ARC Prize Foundation is a nonprofit organization focused on advancing open-source artificial general intelligence research. It achieves this by establishing benchmarks and offering prizes, such as the ARC Prize 2026, and maintains a verified testing policy for AI systems.
Similar artificial intelligence company
OpenTrain AI operates a talent network and platform that connects artificial intelligence companies with pre-vetted domain experts for tasks such as data labeling, RLHF, red teaming, and model evaluation.
AI
Arato.ai is an Israeli software development company that provides an end-to-end platform for building, evaluating, and scaling GenAI applications. The platform focuses on structured, reliable, and production-ready LLM development. It also simulates real-world user behavior to ensure AI systems meet business objectives.
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