Definition
Agent architectures that alternate between latent-space reasoning (continuous hidden-state computation) and text-based tool calls within one generation process, bridged by a lightweight HybridLink adapter.
Key Points
- 2026-10-18: arXiv 2610.18861 (Stanford, UIUC, Meta, Together AI) — HybridSFT + HybridRL training; +10.4% avg accuracy across 11 benchmarks vs frontier text/latent agents; 35.5–54.7% token reduction, 1.8–2.6× faster inference, 2.7–3.7× cost savings (authors’ claims, preprint) (2026-10-18-hybrid-reasoning-agents-paper)
- Code:
github.com/togethercomputer/HybridAgent
Peer-reviewed preprint; independent reproduction pending.