The Hub is quiet on big drops. The news is a blog about edge decision models, a write-up of September training that hit gold in IOI and IMO, and a library tag from last week.

On the Hub

Liquid AI open d1

Liquid AI published the open-d1 blog on Hugging Face on October 7.1 The Hub cards for d1-3B and d1-omni-600M have been up since October 5 under lfm1.0.2 d1-3B answers in a single forward pass. Liquid claims 48.57 on Decision Index 0.2.1, best under 10B, and 16 ms per question on a Jetson AGX Thor. d1-omni-600M is an experimental research release with vision and audio.3

NVIDIA Nemotron IOI and IMO gold

NVIDIA posted a Hugging Face blog on October 7 about Nemotron 3 work from September.1 The Ultra-CC checkpoint has been on the Hub since September 4 under openmdw-1.1.2 The blog reports an unofficial IOI 2026 run of 535.4 out of 600 and an IMO 2026 score of 30 out of 42 graded by official graders. Both numbers are company-claimed.

Transformers v5.19.0

Hugging Face tagged Transformers v5.19.0 on October 6 at 16:39Z.1 The release adds a first-party EmbeddingGemma2 model class and returns MoE router logits when output_router_logits is True. This is a library change, not a new model drop.