activity
20242026
collaborators

10 papers

cs.LG2026

Super Apriel: One Checkpoint, Many Speeds

SLAM Labs, :, Oleksiy Ostapenko +13

We release Super Apriel, a 15B-parameter supernet in which every decoder layer provides four trained mixer choices -- Full Attention (FA), Sliding Window Attention (SWA), Kimi Delt…

cs.LG2026

DiffuMamba: High-Throughput Diffusion LMs with Mamba Backbone

Vaibhav Singh, Oleksiy Ostapenko, Pierre-André Noël +2

Diffusion language models (DLMs) have emerged as a promising alternative to autoregressive (AR) generation, yet their reliance on Transformer backbones limits inference efficiency…

cs.LG2025

Apriel-H1: Towards Efficient Enterprise Reasoning Models

Oleksiy Ostapenko, Luke Kumar, Raymond Li +10

Large Language Models (LLMs) achieve remarkable reasoning capabilities through transformer architectures with attention mechanisms. However, transformers suffer from quadratic time…

cs.CL2025

ColMate: Contrastive Late Interaction and Masked Text for Multimodal Document Retrieval

Ahmed Masry, Megh Thakkar, Patrice Bechard +9

Retrieval-augmented generation has proven practical when models require specialized knowledge or access to the latest data. However, existing methods for multimodal document retrie…

cs.LG2025

Unifying Autoregressive and Diffusion-Based Sequence Generation

Nima Fathi, Torsten Scholak, Pierre-André Noël

We present significant extensions to diffusion-based sequence generation models, blurring the line with autoregressive language models. We introduce hyperschedules, which assign di…

cs.AI2025

Apriel-1.5-15b-Thinker

Shruthan Radhakrishna, Aman Tiwari, Aanjaneya Shukla +21

We present Apriel-1.5-15B-Thinker, a 15-billion parameter open-weights multimodal reasoning model that achieves frontier-level performance through training design rather than sheer…