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HRM-Symbolic

Open-sourced in July 2025, HRM-Symbolic is a reasoning model built for deep, efficient problem-solving through hierarchical latent-space reasoning.

HRM Reasoning in Action

Sudoku offers a simple, intuitive way to make reasoning visible. Here, it serves as a compact example of reasoning that HRM applies in high-impact domains.

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Key Advantages

Greater Reasoning Depth

Multi-Scale, Multi-Step Reasoning

500-1000 effective layers solve complex problems through depth, not scale.

More Perceptive

Numerical & Pattern Sensitivity

Strong understanding of numbers and patterns for time-series and structured data.

Smarter with Less Data

Small-Sample Learning

Learns effectively from thousands of samples, not millions.

Smaller. Faster. Stronger.

Ultra Light. Superior Performance

0.027B parameters. No pretraining. No CoT. 100x faster reasoning. SOTA reasoning performance. Edge deployable.

More Efficient

Adaptive Computation

ACT dynamically optimizes inference, reducing cost without sacrificing performance.

Application Domains

Quantitative Finance
Quantitative Finance
AI4S
AI4S
Healthcare
Healthcare
Climate
Climate
Embodied AI
Embodied AI

Our architecture powers advanced reasoning across complex, high-impact real-world domains.

Benchmarks

Chain-of-thought, pretrained
Direct prediction, small-sample learning

ARC-AGI-1

960 training examples

ARC-AGI-2

1120 training examples

Sudoku-Extreme (9×9)

1000 training examples

Maze-Hard (30×30)

1000 training examples

Hierarchical Reasoning Model

Guan WangJin LiYuhao SunXing ChenChangling LiuYue WuMeng LuSen SongYasin Abbasi Yadkori

Explore HRM on GitHub