# Liuhong99/Sophia

The official implementation of “Sophia: A Scalable Stochastic Second-order Optimizer for Language Model Pre-training”

Repository: https://github.com/Liuhong99/Sophia
Canonical: https://ross.abutalabs.com/products/liuhong99-sophia
Language: Python
License: MIT
License Family: permissive
Topics: deep-learning, large-language-models, optimizer
Last push: 2024-01-30T06:28:27+00:00

## Health v2 (maintenance only)
Score: 29/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 85
- inputs: {"age_days": 1198, "days_push": 946, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1001, forks 58 (observed 2026-09-03T02:15:06.522416+00:00)

## Summary
No AI-extracted summary yet.

## Member repositories
- Liuhong99/Sophia (main) score 29

## Provenance
- Observed fields: from GitHub, fetched 2026-09-03T02:15:06.522416+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Data as of 2026-08-30T08:39:29.467469+00:00.