Mem0, a Y Combinator-backed startup, has successfully raised $24 million to advance its 'Memory Passport' technology, which aims to enhance AI models' memory retention across applications. The funding includes a $3.9 million seed round and a $20 million Series A round led by Basis Set Ventures, with contributions from Kindred Ventures, Y Combinator, Peak XV Partners, and GitHub Fund. The company's open-source API has achieved significant traction, amassing over 41,000 stars on GitHub and 13 million Python downloads. API usage has seen a substantial increase, rising from 35 million calls in the first quarter of 2025 to 186 million by the third quarter, highlighting growing interest and adoption in the AI community.