Building advanced AI. Advancing research. Prioritizing safety. Jhelum Labs is an independent AI research organization building advanced language models and reliable, production-ready systems.
Learn more
W-1.1 Architecture
Decoder-only Transformer with RoPE, RMSNorm, SwiGLU and tied embeddings — 123M parameters trained from scratch.
Project Instruct
Instruction-tuning on 300K Q&A pairs. W-1.1 learns to follow instructions across diverse task types.
Next generation
353M parameters, grouped-query attention, 50K vocab, 4,096-token context, 8B token training target.
Model safety
Every release includes explicit experimental-use warnings, benchmark transparency and SHA-256 weight verification.
Latest research
View all →Vitasta: A Recurrent-Core Hybrid Architecture
Vitasta is a language-model architecture designed to address six standing limitations of full self-attention Transformer...
Verified Steps, Not Faster Guesses
A program for mathematical rigor and deliberate reasoning in language models. We propose forcing mathematical reasoning ...
W-1.2 Architecture Specification
W-1.2 is Jhelum Labs' planned second-generation experimental language model, scaling the laboratory's W-1.1 work from ap...
Project Instruct
W-1.1 Project Instruct converted the pretrained W-1.1-125M causal language model into an instruction-following checkpoin...
Final Report
This report consolidates the recorded W-1.1 experiment lineage, final dataset preparation, custom architecture, H100 pre...