Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents

Agent37, a low-cost agent sandbox provider, has launched, offering sandboxes at under 10% of the cost of most providers. The company, founded by Vishnu, a former Senior Software Engineer at Amazon and Engineering Manager at Quantcast, has optimized its infrastructure to achieve this cost savings. Techniques used include efficient CPU and RAM management, using non-hyperscaler hosts, leveraging gVisor for resource sharing and caching, and optimizing server size and shape. Agent37 now offers a free plan, with over 90% of new signups using it. The company is targeting developers building messaging agents.