LMArena
Last verified 2026-05-25. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | withheld, implausible source figure |
|---|---|
| Latest round | series-a, $150.0M, 2026-01-06attributed |
| Founded | 2025 |
| Headquarters | Berkeley |
| Industry | ai |
| Stage | series-a |
| Website | lmarena.ai |
LMArena is a platform where users can compare responses from different large language models side-by-side through Battle Mode. It is designed for researchers, developers, and AI enthusiasts who want to evaluate and rank model performance across various tasks. The service distinguishes itself by publicly sharing user conversations to build a community-driven leaderboard that benchmarks AI systems in real-world conditions.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2026-01-06 | series-a | $150.0M | undisclosed |
Detected tech stack
unknown
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series A, $150.0M | attributed | news-misc named as publisher. No document URL on file. |
| Company existence | self-reported | lmarena.ai, read 2026-05-25 |
| Description | self-reported | lmarena.ai, read 2026-05-25 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.