AI models
Hierarchical Reasoning Model (HPM)
Parameters
27M
Published
Aug 4, 2025
Hierarchical Reasoning Model (HPM) is an AI model developed by Sapient Intelligence (Singapore), first published in August 2025. It works in the language, vision and multimodal domain, on tasks such as visual puzzles.
Epoch AI has no training-compute estimate for this model. The model has 27,000,000 parameters.
Access: Unreleased. Its weights are not openly released. Epoch AI rates the confidence of this record as confident.
Full record
- Organization
- Sapient Intelligence
- Country of organization
- Singapore
- Domain
- Language, Vision, Multimodal
- Task
- Visual puzzles
- Parameters
- 27,000,000
- Model accessibility
- Unreleased
- Open weights
- No
- Epoch confidence
- Confident
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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