Announcements
Transformers v5 Goes All-In on PyTorch
Hugging Face announced that Transformers v5 moves fully to PyTorch by default. The PyTorch Foundation continues collaborating with the Transformers team to ensure strong performance across training, inference, and deployment. Learn more >
PyTorch Ecosystem Working Group Update & Project Spotlights, Q4 2025
Our latest PyTorch Ecosystem Working Group update shares new projects joining the PyTorch Ecosystem and highlights additional projects under consideration. Recent additions include: FlagGems, Kubeflow Trainer, LMCache, DeepInverse, Feast, NeuralOperator, PINA, and verl, reflecting continued growth across AI infrastructure, LLM serving, reinforcement learning, and scientific machine learning. Read the full Q4 2025 ecosystem update >
PyTorch Foundation Spotlight Series
Recent Spotlights feature contributors, members, ambassadors, and prominent community members. New Spotlights are added regularly. Watch here >
Recent Events
Inside Helion: Live Q&A with the Developers
On December 11, PyTorch Foundation hosted “Inside Helion: Live Q&A” with Jason Ansel, Oguz Ulgen, Will Feng, and Jongsok Choi from Meta’s PyTorch Compiler and Helion teams. The session explored Helion’s design philosophy, how it compiles to Triton, its autotuning system, and what’s ahead on the roadmap. Watch here >
NeurIPS 2025
PyTorch Foundation had a major presence at NeurIPS 2025, driving high-visibility programming across the conference. We led a full slate of workshops, talks, posters, and community events, anchored by a busy booth in the Exhibit Sponsor Hall alongside Cloud Native Computing Foundation that drew continuous foot traffic from researchers, practitioners, and industry leaders. Read our recap >
One of the standout moments of the week was the Agentic AI and Reinforcement Learning Workshop, powered in part by PyTorch contributors, which reached near-capacity with close to 2,000 attendees, one of the most packed sessions of the conference.
Our momentum carried into the evening with the Open Source AI Reception, co-hosted by PyTorch Foundation, CNCF, Anyscale, Featherless AI, Hugging Face, and Unsloth AI. The event brought together more than 600 attendees, creating one of the largest and most energetic gatherings at NeurIPS and underscoring PyTorch’s central role in the open source AI ecosystem.
ICYMI: PyTorch Conference 2025 Recap
PyTorch Conference 2025 brought together over 3,400 developers, researchers, and practitioners from more than 1,000 organizations across the global AI ecosystem for two days of keynotes, technical sessions, and community connection.
The program featured 22 keynotes, more than 100 technical sessions, and 113 poster presentations, highlighting advances across AI infrastructure, distributed systems, agentic workflows, and open research. Co-located summits focused on AI infrastructure, agentic systems, and measuring intelligence, alongside major ecosystem announcements that reflected the continued growth and collaboration across the PyTorch community. Read the recap and explore the session recordings.
Celebrating the 2025 PyTorch Startup Showcase Winners
The 2025 PyTorch Startup Showcase highlighted early-stage teams building real-world AI applications and creating space for founders to connect with investors, customers, and engineering talent. Runhouse was selected as the Startup Showcase Winner, presented by Donny Greenberg, and CuraVoice, presented by Shrey Modi, received the Community Choice Award. Read the full recap >
Member Round-Up
Meta: Enabling Cluster Launch Control with TLX
Arm: Deploying Smarter: Hardware-Software Co-design in PyTorch
AMD, Meta: Efficient MoE Pre-training at Scale on 1K AMD GPUs with TorchTitan
Huawei: OpenReg: A Self-Contained PyTorch Accelerator Simulator
Red Hat: The Future of Inference: PyTorch ATX Event
Community Blogs
SGLang: Hybrid Models Meet SGLang: More than Full Attention
Beyond Quantization: Bringing Sparse Inference to PyTorch
PyTorch Ambassador Highlights
Since the launch of the PyTorch Ambassador Program in September, ambassadors have supported the community through meetups, outreach, and open source contributions across regions.
London (September–October): Fedor Shabashev and Paul Dowling organized two PyTorch meetups with 200+ attendees each, strong participant feedback (4.9 average rating), and continued community growth, including a 2,000+ subscriber mailing list.
Pune (November 8): Talib Sayyed hosted a 200+ person PyTorch meetup focused on fundamentals and applications, with very positive attendee feedback and 100,000+ LinkedIn impressions across related posts.
Beijing (September–October): Zesheng Zong supported local community activity, including a September 20 meetup with 100+ attendees and on-site coverage of PyTorch Conference 2025 shared through blog posts.
Korea (September–October): Jiho Kim and Junghwan Park led a Korean documentation initiative with 20 mentees, guiding contributors through translation updates, glossary refinement, and new tutorial translations.
Nigeria and Sri Lanka (October 26–31): New ambassador communities launched with 75+ attendees combined. Activities included local meetups in both regions and the formation of a growing WhatsApp community in Nigeria.
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