Hybrid reasoning agents think in latent space
The gist
A Stanford and Together AI paper proposes HybridAgent, which reasons in latent space and switches to text to call tools or answer.
It reports 10.4% better results with 35.5%-54.7% fewer tokens, raising questions about readable reasoning.
How it unfolded
- Oct 13, 2026The paper "Hybrid Reasoning Agents" is published on arXiv (2610.18861).
- Oct 14, 2026An X poster called elvis describes it as a "banger paper from Stanford, Together AI, and colleagues"; a paper detail page lists authors including Jiaru Zou, Yunzhe Qi and James Zou.
- Oct 15, 2026A Hugging Face paper page for 2610.18861 is posted.