Soumith Chintala reflects on his eleven years at Meta and nearly eight years leading PyTorch in his farewell blog post. He acknowledges the deep connections made during this time and the monumental growth of PyTorch, which now sees over 90% adoption in the AI industry. He highlights its ability to handle exascale training, its widespread use across major AI companies, and its presence in educational settings globally. Chintala feels a mix of pride and sadness in leaving, recognizing both the accomplishments and the ongoing challenges in AI development. Chintala emphasizes the strength of the current PyTorch team, expressing confidence in their ability to continue the project without him. He notes that key figures like Edward, Suo, Alban, Greg, John, Joe, and Jana are ready to lead, having tackled significant challenges independently. He believes the product is now resilient and that its core values will persist despite changes in leadership. His departure marks a shift towards new, smaller projects that excite him, and he intends to remain involved with the PyTorch community, likely filing issues and offering support. He reminisces about the early days at Meta’s FAIR lab, recalling a collaborative and vibrant atmosphere among talented colleagues. The memories of building PyTorch, engaging with the community, and witnessing its impact on users are particularly poignant for him. He acknowledges the importance of open-source principles championed by Meta's leadership and thanks numerous individuals who contributed to PyTorch's development, illustrating the collective effort behind its success.