Andreessen Horowitz led GitButler's Series A investment. GitButler is redesigning version control for AI‑driven development, introducing parallel branching, stacked branching, and agent‑specific commands to address limitations of traditional Git under parallel agent workflows. The startup is co‑founded by Scott Chacon (co‑founder of GitHub, author of Pro Git), Kiril Videlov, and Anne Leuschner.
EliseAI 是一家提供 24/7 AI 物业管理与医疗行政服务的平台,已在美国公寓市场占据超过 10% 的份额,2025 年初实现 ARR 超过 1 亿美元并保持年同比翻倍以上增长。平台支持租赁、维修、账单、续约等全流程,并在皮肤科、妇产科、眼科、骨科等专科实现 9 成通话完全由 AI 处理,成本降至三分之一。公司由 Minna Song 与 Tony Stoyanov 联合创立,已获 a16z Growth 领投的最新融资并加入董事会。
LMArena is a continuous AI evaluation platform that collects human preference data via real‑user votes to assess model performance, addressing the benchmark contamination problem faced by static tests. Originally a Berkeley research project, it has grown to host over 400 models and millions of monthly active users generating novel prompts, creating the largest living dataset of human preferences on AI outputs. Andreessen Horowitz (a16z) and UC Investments co‑led the seed round as founding investors, with additional backing from partners committed to open science. LMArena’s mission is to make AI reliable, predictable, and trustworthy—‘as boring as databases’—by positioning itself as the de‑facto reliability layer for the AI ecosystem. The company is incorporating to scale, expanding its evaluation scope, and pursuing a ‘Arena‑tested’ seal akin to Good Housekeeping. Challenges include preserving neutrality under commercial pressure, scaling infrastructure to billions of users, and evolving evaluation methods as AI capabilities advance. Government agencies and regulated industries are already engaging, piloting private arena deployments to meet mission‑critical AI reliability requirements.
Andreessen Horowitz announced a Series A investment in Hedra, an AI video startup that animates characters from a single image and audio/text, generating realistic lip‑sync, facial gestures and background motion. The platform has attracted nearly three million users who have produced over ten million videos across consumer, enterprise and creative use cases, with plans to expand control, motion range and expressiveness.