{"adoption": {"forks": 115, "observed_at": "2026-08-28T04:04:22.102358+00:00", "stars": 1322}, "canonical_url": "https://ross.abutalabs.com/products/lejepa", "card": {"archived": false, "artifact_type": "library", "description": null, "domain": ["machine-learning", "deep-learning", "computer-vision", "artificial-intelligence"], "enriched": true, "function": ["machine-learning", "deep-learning", "image-processing"], "health_score": 58, "homepage": null, "language": "Python", "license": "NOASSERTION", "license_family": "other", "maturity": "active", "member_repos": ["galilai-group/lejepa"], "name": "galilai-group/lejepa", "platform": ["python"], "pushed_at": "2026-01-25T22:51:10+00:00", "repo": "galilai-group/lejepa", "stars": 1322, "tags": ["self-supervised-learning", "jeepa", "representation-learning", "vision-transformer", "sigreg", "research-code", "gpu"], "topics": [], "urls": [], "use_cases": ["pretrain vision models with self-supervised learning", "train a JEPA on ImageNet without heuristics", "learn image embeddings for few-shot classification", "evaluate pretrained representations on downstream datasets", "reproduce self-supervised learning research benchmarks"], "what_it_is": "LeJEPA is a Python framework for scalable, theoretically grounded self-supervised representation learning based on Joint-Embedding Predictive Architectures (JEPAs). It introduces SIGReg (Sketched Isotropic Gaussian Regularization) to train vision models like ViTs and ConvNeXts without heuristic tricks.", "when_to_avoid": ["you need supervised classification out of the box", "you lack GPU resources for large ViT/ConvNeXt training", "you need NLP or multimodal self-supervised learning"], "when_to_choose": ["you want provable, heuristic-free self-supervised pretraining for vision models", "you need strong image representations with fewer pretraining epochs", "you are researching JEPA-style representation learning"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/lejepa", "repo": "galilai-group/lejepa", "role": "main", "score": 45}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:04:22.102358+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T04:47:13.849149+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "eb9358f355ca854bd85a2a7805ffb70a08e23b0b351564de50c3cdcbc0140223", "fetched_at": "2026-08-28T04:04:22.102358+00:00", "kind": "readme", "missing": false, "url": "https://github.com/galilai-group/lejepa"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 64, "longevity": 21, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 295, "days_push": 220, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 45, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}