{"adoption": {"forks": 398, "observed_at": "2026-08-28T04:05:58.348948+00:00", "stars": 1952}, "canonical_url": "https://ross.abutalabs.com/products/opacus", "card": {"archived": false, "artifact_type": "library", "description": "Training PyTorch models with differential privacy", "domain": ["machine-learning", "privacy", "deep-learning", "large-language-models"], "enriched": true, "function": ["machine-learning", "deep-learning", "privacy", "llm-training"], "health_score": 93, "homepage": "https://opacus.ai", "language": "Python", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["meta-pytorch/opacus"], "name": "meta-pytorch/opacus", "platform": ["python", "cross-platform"], "pushed_at": "2026-07-13T21:37:10+00:00", "repo": "meta-pytorch/opacus", "stars": 1952, "tags": ["differential-privacy", "dp-sgd", "pytorch", "privacy-preserving-machine-learning", "gradient-clipping", "privacy-budget", "lora", "gpu"], "topics": ["differential-privacy", "privacy-preserving-machine-learning", "deep-learning", "machine-learning", "neural-network", "pytorch"], "urls": [], "use_cases": ["train pytorch models with differential privacy", "add dp-sgd to my neural network training", "track privacy budget epsilon during model training", "fine-tune transformers with differential privacy", "research differentially private deep learning algorithms", "reduce memory usage of dp-sgd with ghost clipping"], "what_it_is": "Opacus is a PyTorch library for training neural networks with differential privacy via DP-SGD, requiring minimal code changes through its PrivacyEngine API. It supports fast per-sample gradient computation, privacy budget tracking, and is extensible for differential privacy research.", "when_to_avoid": ["you use TensorFlow, JAX, or non-PyTorch frameworks", "you need privacy guarantees for inference or data release rather than training", "your model architecture is incompatible with per-sample gradient computation"], "when_to_choose": ["you train models in PyTorch and need formal differential privacy guarantees", "you want minimal code changes and online privacy budget tracking", "you are a DP researcher needing an extensible, modular implementation"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/opacus", "repo": "meta-pytorch/opacus", "role": "main", "score": 79}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:58.348948+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:06:36.078604+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "0be5df5b6c4b3931340e50892a2a9222cdd1cfb1bfb64dd839349494e25a0cf6", "fetched_at": "2026-08-28T04:05:58.348948+00:00", "kind": "readme", "missing": false, "url": "https://github.com/meta-pytorch/opacus"}, {"content_hash": "3c87ebef9d2f2a30e2d8c792e4fd601a7f0caf60c63994de7d1e3d9624253a86", "fetched_at": "2026-08-29T10:46:32.618282+00:00", "kind": "homepage", "missing": false, "url": "https://opacus.ai"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.637670+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction"}, {"content_hash": "7bb713dde164578be9e13f8995c1bc770a68b679deee088c4de3e761d388eabe", "fetched_at": "2026-08-29T10:46:32.669529+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/faq"}, {"content_hash": "ae0cd5e345cfa540fb48722aa9e502a281eba77c9ed4714b8d3916f9ef581afe", "fetched_at": "2026-08-29T10:46:32.712158+00:00", "kind": "site_page", "missing": false, "url": "https://opacus.ai/docs/introduction.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 92, "longevity": 100, "rhythm": 50}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": [], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 2462, "days_push": 51, "days_rel": 120, "gap_med": 220.0, "n_releases_24m": 3}, "score": 79, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}