{"adoption": {"forks": 371, "observed_at": "2026-08-28T04:08:38.993976+00:00", "stars": 4204}, "canonical_url": "https://ross.abutalabs.com/products/nevergrad", "card": {"archived": false, "artifact_type": "library", "description": "A Python toolbox for performing gradient-free optimization", "domain": ["machine-learning", "artificial-intelligence"], "enriched": true, "function": ["machine-learning", "benchmarking", "data-science"], "health_score": 88, "homepage": "https://facebookresearch.github.io/nevergrad/", "language": "Python", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["facebookresearch/nevergrad"], "name": "facebookresearch/nevergrad", "platform": ["python", "cross-platform"], "pushed_at": "2026-07-24T21:41:13+00:00", "repo": "facebookresearch/nevergrad", "stars": 4204, "tags": ["gradient-free-optimization", "derivative-free-optimization", "hyperparameter-tuning", "evolutionary-algorithms", "metaheuristic", "algorithms"], "topics": [], "urls": [], "use_cases": ["tune machine learning hyperparameters without gradients", "minimize a black-box function with no derivative access", "optimize mixed continuous and discrete parameters", "run evolutionary algorithms like differential evolution in Python", "benchmark optimization algorithms", "optimize simulation or experiment parameters"], "what_it_is": "Nevergrad is a Python toolbox for gradient-free (derivative-free) optimization, providing many optimization algorithms such as NGOpt and differential evolution. It supports optimizing continuous, discrete, and mixed parameter spaces, making it well suited for hyperparameter tuning and black-box function minimization.", "when_to_avoid": ["your problem is smooth and gradient-based methods (e.g., Adam, L-BFGS) work well", "you need large-scale deep learning training with backpropagation", "you need a general-purpose constraint solver rather than black-box optimization"], "when_to_choose": ["your objective function is non-differentiable, noisy, or expensive to differentiate", "you need to tune hyperparameters of ML models or pipelines", "you need a variety of derivative-free optimizers behind one API", "your search space mixes continuous, integer, and categorical variables"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/nevergrad", "repo": "facebookresearch/nevergrad", "role": "main", "score": 76}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:08:38.993976+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T18:22:31.832267+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "2fd7676d6a2c593806c211acc423eb7e307d646153ee9e1b3e63274ad753b33c", "fetched_at": "2026-08-28T04:08:38.993976+00:00", "kind": "readme", "missing": false, "url": "https://github.com/facebookresearch/nevergrad"}, {"content_hash": "fdb12ce39e7b7863c660c8a0aeb2d3c5e2b49f42df7810051553aec9e70d0552", "fetched_at": "2026-08-29T09:12:46.735922+00:00", "kind": "homepage", "missing": false, "url": "https://facebookresearch.github.io/nevergrad/"}, {"content_hash": "507b1d118246045b7925502fc54e1efe08da3f9ba75fd273b763f5e2d134660a", "fetched_at": "2026-08-29T09:12:46.744961+00:00", "kind": "registry_pypi", "missing": false, "url": "https://pypi.org/pypi/nevergrad/json"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 94, "longevity": 100, "rhythm": 40}, "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": 2843, "days_push": 40, "days_rel": 497, "gap_med": 14.5, "n_releases_24m": 7}, "score": 76, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}