{"schemaVersion":"hugging-bay.artifact-review-summary.v1","generatedAt":"2026-10-30T07:07:39.065Z","baseUrl":"https://huggingbay.xyz","artifactId":"hf-model-jetbrains-mellum2-12b-a2-5b-base","repo":"JetBrains/Mellum2-12B-A2.5B-Base","artifact":{"readiness":"blocked","downloadReady":false,"downloadable":false,"downloadStatus":"BLOCKED","hostedFileCount":0,"mirroredBytes":0,"readinessCheckedAt":"2026-10-30T01:29:56.030Z","readinessSource":"file-check","degraded":true,"stale":true,"serveExplanation":{"readiness":"blocked","downloadReady":false,"downloadable":false,"downloadStatus":"BLOCKED","hostedFileCount":0,"mirroredBytes":0,"readinessCheckedAt":"2026-10-30T01:29:56.030Z","readinessSource":"file-check","degraded":true,"stale":true},"id":"hf-model-jetbrains-mellum2-12b-a2-5b-base","owner":"JetBrains","name":"Mellum2-12B-A2.5B-Base","repo":"JetBrains/Mellum2-12B-A2.5B-Base","type":"llm","summary":"Model from Hugging Face for text generation: JetBrains/Mellum2-12B-A2.5B-Base · transformers","cardDescription":"Generates text by continuing a prompt.","modelSummary":{"schemaVersion":"hugging-bay.model-summary.v1","text":"The catalog lists this model for generating text.","confidence":"medium","task":"text-generation","audience":null,"basis":"recorded-metadata","rules":["task:text-generation"],"evidence":[{"field":"license","value":"apache-2.0"},{"field":"cardMetadata.license","value":"apache-2.0"},{"field":"task","value":"text-generation"},{"field":"cardMetadata.pipelineTag","value":"text-generation"}],"caveats":["check-license-terms","repository-bytes-are-not-memory-needs"],"facts":{"license":{"id":"apache-2.0","status":"recorded"},"lineage":[],"parameters":null,"size":{"bytes":24308185246,"scope":"repository","field":"sizeBytes"},"form":"unspecified","runs":[]}},"publisher":"JetBrains","sourceUrl":"https://huggingface.co/JetBrains/Mellum2-12B-A2.5B-Base","license":"apache-2.0","licenseState":"known","licenseLabel":"apache-2.0","visibility":"public","verificationStatus":"unknown","scanStatus":"passed","cardCompleteness":96,"tags":["huggingface-import","external-catalog","model","apache-2.0","transformers","safetensors","mellum","text-generation","en","arxiv:2605.31268","license:apache-2.0","model-index","eval-results","endpoints_compatible","region:us","llm","mellum2 base"],"task":"text-generation","modality":"text","framework":"transformers","formats":["yaml","gitattributes","md","json","svg","safetensors"],"baseModel":null,"derivedFrom":null,"cardMetadata":{"source":"huggingface-cardData","license":"apache-2.0","metrics":[],"datasets":[],"paperIds":["2605.31268"],"repoType":"model","baseModel":"","languages":["en"],"sourceUrl":"https://huggingface.co/JetBrains/Mellum2-12B-A2.5B-Base","evalResults":[{"task":"Text Generation","score":"41.46","metric":"pass@1","verified":false,"benchmark":"HumanEval"},{"task":"Text Generation","score":"37.2","metric":"pass@1","verified":false,"benchmark":"HumanEval+"},{"task":"Text Generation","score":"62.4","metric":"pass@1","verified":false,"benchmark":"MBPP"},{"task":"Text Generation","score":"78.31","metric":"pass@1","verified":false,"benchmark":"MBPP+"},{"task":"Text Generation","score":"20.97","metric":"pass@1","verified":false,"benchmark":"MultiPL-E HumanEval, 7 languages"},{"task":"Text Generation","score":"45.38","metric":"pass@1","verified":false,"benchmark":"CRUXEval-I"},{"task":"Text Generation","score":"43.88","metric":"pass@1","verified":false,"benchmark":"CRUXEval-O"},{"task":"Text Generation","score":"70.87","metric":"accuracy","verified":false,"benchmark":"MMLU"},{"task":"Text Generation","score":"59.31","metric":"exact match","verified":false,"benchmark":"MMLU-Pro"},{"task":"Text Generation","score":"74.9","metric":"exact match","verified":false,"benchmark":"BBH"},{"task":"Text Generation","score":"53.5","metric":"normalized accuracy","verified":false,"benchmark":"ARC-Challenge"},{"task":"Text Generation","score":"73.72","metric":"normalized accuracy","verified":false,"benchmark":"HellaSwag"}],"libraryName":"transformers","pipelineTag":"text-generation","cardDataKeys":["language","library_name","license","model-index"],"semanticText":"text-generation transformers llm model en mellum2 base safetensors","semanticTerms":["text-generation","transformers","llm","model","en","mellum2 base","safetensors"],"siblingSample":[{"lfs":false,"path":".eval_results/mellum2.yaml","sizeBytes":1025},{"lfs":false,"path":".gitattributes","sizeBytes":1519},{"lfs":false,"path":"README.md","sizeBytes":9617},{"lfs":false,"path":"config.json","sizeBytes":2319},{"lfs":false,"path":"generation_config.json","sizeBytes":111},{"lfs":false,"path":"mellum-logo-dark.svg","sizeBytes":5176},{"lfs":true,"path":"model-00001-of-00005.safetensors","sizeBytes":4999531104},{"lfs":true,"path":"model-00002-of-00005.safetensors","sizeBytes":4996604776},{"lfs":true,"path":"model-00003-of-00005.safetensors","sizeBytes":4996605688},{"lfs":true,"path":"model-00004-of-00005.safetensors","sizeBytes":4996605688},{"lfs":true,"path":"model-00005-of-00005.safetensors","sizeBytes":4311191552},{"lfs":false,"path":"model.safetensors.index.json","sizeBytes":526510},{"lfs":false,"path":"special_tokens_map.json","sizeBytes":1331},{"lfs":false,"path":"tokenizer.json","sizeBytes":7091633},{"lfs":false,"path":"tokenizer_config.json","sizeBytes":7197}],"modelIndexNames":["Mellum2 Base"]},"worksWith":[],"runtimeFit":{"level":"unknown","label":"recorded runtime state unknown","hardware":"","sizeLabel":"unknown","runners":[],"runtimeFiles":[],"warnings":["No runtime compatibility or execution status claim is available until recorded evaluation is integrated."]},"sizeBytes":24308185246,"sizeKnown":true,"sizeLabel":"22.6 GB","sizeReason":"","declaredSizeBytes":24308185246,"defaultDownloadBytes":null,"mirrorCount":1,"downloadCount":19608,"stars":26,"citations":0,"updatedAt":"2026-09-21T08:29:56.735Z","createdAt":"2026-06-29T22:24:59.909Z","version":"hf-main","upstream":{"gated":false,"repoId":"JetBrains/Mellum2-12B-A2.5B-Base","private":false,"repoUrl":"https://huggingface.co/JetBrains/Mellum2-12B-A2.5B-Base","disabled":false,"provider":"huggingface","repoType":"model","revision":"271755e48ab6b2ed0ef224eaaabe2d25275fb8ee","fetchedAt":"2026-09-21T07:59:15.896Z","importMode":"external-catalog","licenseRaw":"apache-2.0","licenseDeclared":"apache-2.0","mirrorLicensePolicy":"permissive"},"hosting":{"status":"blocked","mirroredAt":"2026-09-21T08:29:56.735Z","mirroredBy":"mirror-batch-worker","totalFiles":15,"hostedFiles":0,"mirroredBytes":0,"mirroredFiles":0,"storageProvider":"gcs","hosted":false,"downloadable":false,"verified":false,"completeRunnable":false,"runReady":false,"refreshedAt":null,"stale":false,"downloadReady":false},"mirrorCompletion":{"found":true,"current":true,"state":"complete-bytes","completeBytes":true,"completeRunnable":false,"verified":false,"runReady":false,"commandsAvailable":false,"authority":"postgres-executable-state-snapshot","snapshotId":"hbes_bdc1b3e410596864f4b4099c314194f4612420f155b0b3023f75272ea26158df","artifactId":"hf-model-jetbrains-mellum2-12b-a2-5b-base","representationId":"rep-c6236c30f738ab1232b03360cc2769f9567cd974e0b7c68b7d2eab16aea33aea","taskMode":{"mode":"unknown"},"selectedFileBindingVersion":"postgres-selected-object-binding.v2","representation":{"id":"rep-c6236c30f738ab1232b03360cc2769f9567cd974e0b7c68b7d2eab16aea33aea","artifactId":"hf-model-jetbrains-mellum2-12b-a2-5b-base","format":"safetensors","source":{"provider":"huggingface","identity":"JetBrains/Mellum2-12B-A2.5B-Base","revision":"271755e48ab6b2ed0ef224eaaabe2d25275fb8ee","immutable":true},"files":[{"path":"config.json","role":"config","sizeBytes":2319,"sha256":"sha256:28953bc64472a20efd1a41e83ba9b4ee076d319fc89bcec1277862b7fd9fc49c","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:dcfa3e17205263aaec78bb823ed8975105d6c70425f65591edba24a365211529"},{"path":"generation_config.json","role":"config","sizeBytes":111,"sha256":"sha256:43d1f83d871a388f486b86713426772920fbe4bd59e2d16013b65ebc91760b4c","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:008a480ea5d31271d230c59dbea05234f4554f5b3f96362b91009cfe03213075"},{"path":"model-00001-of-00005.safetensors","role":"weight","sizeBytes":4999531104,"sha256":"sha256:b255cfdb0ff353f583293c2ca9c5b09be5bfb07b123b4c60f1a22f1b82749ba1","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:8f39b749e7f0bcc70ec448cdee6f024d367d3b3a1b346d7b86c74fb9024d32e5"},{"path":"model-00002-of-00005.safetensors","role":"weight","sizeBytes":4996604776,"sha256":"sha256:5419ef373d206bf236df2c0c5d455a05cfe3877639da3985856e1965249709d6","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:0749f8fc329cc13912c089028c0a777705e3da9ce9f30d4839f2842e0d152102"},{"path":"model-00003-of-00005.safetensors","role":"weight","sizeBytes":4996605688,"sha256":"sha256:8be730573685721c7209670a4dc6cc11d9d0a498c62b1048da84130f05226937","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:9808b3f95a9cdc220a70b92879bb4fb593de86057844614933552c56206db287"},{"path":"model-00004-of-00005.safetensors","role":"weight","sizeBytes":4996605688,"sha256":"sha256:a500cd1b6437d501690bcbe75064c1f4b8cc53491f06dc9e16c56404b33d3d49","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:fcea71f65dd887a5d0b2a8f40e4fa94b0d9a2ab9a783a94ee4f5bac0b94b34be"},{"path":"model-00005-of-00005.safetensors","role":"weight","sizeBytes":4311191552,"sha256":"sha256:01dec3e4406d7b2ad71153441f1231dc868aa5a6e1242f00d146c2c9516dd92c","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:440c91408ca3abf8fdf4aaab8bb6c11ae9654b476064dfddd371bf571d1447f2"},{"path":"model.safetensors.index.json","role":"index","sizeBytes":526510,"sha256":"sha256:77f264a0dc417f759b121d9d37b42776faab199106578d8ee4d291e3cd981ac9","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:38b7380196ee7db475c6205f55f6a229ccb0974403f39aa3e9e2aca86bb94bda"},{"path":"special_tokens_map.json","role":"tokenizer","sizeBytes":1331,"sha256":"sha256:ca36db85fdb90aa36dd22e75f3b384595343a6e57f651704daa10a04f40eaef7","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:2ca6a1e1c9bd136c74aa129ff9628b3ce95ea858019c7b7f7e6000c3e02f6f15"},{"path":"tokenizer.json","role":"tokenizer","sizeBytes":7091633,"sha256":"sha256:40764f672f6ed79562ad6dbd0faf40d86e4d1ba5231b3317a4da2d91fc110ba5","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:2a5d70f9f7c4c3dcfb6ea98b8dfc7663bc9c914c2925641e09848b2c4b4d4b41"},{"path":"tokenizer_config.json","role":"config","sizeBytes":7197,"sha256":"sha256:faef2eb73550905b2229c51bd45af7fca6a4c41f042d65e9fd3719b44d14d07e","storageStatus":"hosted","storageProvider":"gcs","objectBindingDigest":"sha256:2fc3a6182f33f1128f48d5a1a8cc191fa8b6217feabebcdde374dafce6061c0c"}]},"evaluatorVersion":"1.3.1","selectedFilesDigest":"sha256:e5c2cecb9523032df210d5dfa2e2aa95957e6520b5fe6b2d249618766cca9151","representationDigest":"sha256:e88c94cdc1d58ba3a9678a57d0b8dfd0554680bf0a59c655884b0303b1416cc3","evidenceSnapshotDigest":"sha256:517df0b65ccda5f01f23dcb695c04600d54f5b5299e57b5598d9efd084f8af72","evaluatedAt":"2026-09-21T08:29:57.398Z","authorityVersion":"sha256:c980dc28fac151d0dfca75fbf54f54758a0edeb9253ceecf9197e923b3ac63ac","invalidatedBy":null,"manifestFinal":false,"downloadable":null,"hosted":false,"hostedFiles":0,"serveAuthority":"unbound","individuallyHashedFiles":0,"weightsHosted":null,"weightCountState":"not-snapshot-bound","totalFiles":11,"strictlyDownloadableFiles":0,"strictlyDownloadableHashedFiles":0,"strictlyDownloadableWeights":null,"strictWeightCountState":"not-snapshot-bound","artifactInventoryFiles":15,"scope":"recorded-postgres-snapshot","serve_verdict":{"can_download":false,"bytes_verified":false,"signature":"unsigned","freshness":"stale","checked_at":"2026-10-30T01:29:56.030Z","evidence_url":"/api/manifests/hf-model-jetbrains-mellum2-12b-a2-5b-base"}},"decentralizedDistribution":{"protocol":"bittorrent-magnet-metadata","verifiedFallbacks":0,"pendingReviewRequests":0,"reviewRequired":true,"policy":"Peer-assisted fallbacks are metadata only until Hugging Bay review confirms source, license, provenance, and safety. Gated/private bypasses are not allowed."},"communityReviewSummary":{"count":0,"averageRating":0,"verifiedRuns":0,"selfReportedVerifiedRuns":0,"verificationQualification":"quarantined-untrusted-evidence","verificationTrustImpact":"none","helpfulCount":0,"reportCount":0,"reportedReviews":0,"distribution":{"1":0,"2":0,"3":0,"4":0,"5":0},"toolCounts":{},"categoryAverages":{},"categoryCounts":{},"benchmarkEvidence":{"count":0,"verifiedCount":0,"benchmarkCount":0,"performanceCount":0,"hardwareCounts":{},"topMetrics":[],"recent":[]},"recent":[]},"benchmarkEvidenceSummary":{"count":0,"verifiedCount":0,"benchmarkCount":0,"performanceCount":0,"hardwareCounts":{},"topMetrics":[],"recent":[]},"hostingStatus":"blocked","hosted":false,"fileCount":15,"publicDownloadableFileCount":0,"externalFileCount":15,"servingCountsRefreshedAt":null,"servingCountsStale":false,"signals":{"size":{"known":true,"bytes":24308185246,"label":"22.6 GB","reason":""},"demand":{"mirrorRequests":0,"upstreamDownloads":19608,"upstreamStars":26,"label":"20K upstream downloads","basis":"upstream-downloads"},"trust":{"score":0,"level":"metadata-checked","label":"Unknown","qualification":"recorded-state-complete-bytes","trustImpact":"none","checks":[{"id":"license","label":"License","status":"pass","detail":"apache-2.0"},{"id":"provenance","label":"Provenance","status":"pass","detail":"JetBrains/Mellum2-12B-A2.5B-Base"},{"id":"scan","label":"Scan","status":"pass","detail":"passed"},{"id":"hosting","label":"Hosted files","status":"warn","detail":"external metadata only"},{"id":"manifest","label":"Byte manifest integrity","status":"warn","detail":"not final yet"}],"strengths":["License: apache-2.0","Provenance: JetBrains/Mellum2-12B-A2.5B-Base","Scan: passed"],"gaps":["Hosted files: external metadata only","Byte manifest integrity: not final yet"]},"readiness":{"score":0,"level":"unknown","hostedFinal":false,"hostedFiles":0,"externalFiles":15,"totalFiles":15},"action":{"id":"request-mirror","label":"Request a complete representation","detail":"Capture demand for a reviewed, immutable representation with complete selected bytes.","href":"/artifact/hf-model-jetbrains-mellum2-12b-a2-5b-base/mirrors"}},"sampleFiles":[],"contentControls":{"state":"not assessed","basis":"no_explicit_uploader_evidence","matchedTerms":[],"assessedAt":null},"contentControlsLabel":"Content controls: not assessed.","contentControlsAttribution":{"upstream":{"provider":"huggingface","repoId":"JetBrains/Mellum2-12B-A2.5B-Base"}},"serve_verdict":{"can_download":false,"bytes_verified":false,"signature":"unsigned","freshness":"stale","checked_at":"2026-10-30T01:29:56.030Z","evidence_url":"/api/manifests/hf-model-jetbrains-mellum2-12b-a2-5b-base"}},"canonicalUrl":"https://huggingbay.xyz/artifact/hf-model-jetbrains-mellum2-12b-a2-5b-base/community","apiUrl":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/review-summary","reviewsUrl":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/reviews?limit=50","trustBundleUrl":"https://huggingbay.xyz/api/trust-bundles/hf-model-jetbrains-mellum2-12b-a2-5b-base","agentBundleUrl":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/agent-bundle","summary":{"count":0,"averageRating":0,"verifiedRuns":0,"selfReportedVerifiedRuns":0,"verificationQualification":"self-reported-unqualified","verificationTrustImpact":"none","helpfulCount":0,"reportCount":0,"reportedReviews":0,"distribution":{"1":0,"2":0,"3":0,"4":0,"5":0},"toolCounts":{},"categoryAverages":{},"categoryCounts":{},"benchmarkEvidence":{"count":0,"verifiedCount":0,"benchmarkCount":0,"performanceCount":0,"hardwareCounts":{},"topMetrics":[],"recent":[]},"recent":[]},"rating":{"count":0,"average":0,"distribution":{"1":0,"2":0,"3":0,"4":0,"5":0},"categoryAverages":{},"categoryCounts":{},"helpfulCount":0,"reportCount":0,"reportedReviews":0},"verifiedRuns":0,"benchmarkEvidence":{"count":0,"verifiedCount":0,"benchmarkCount":0,"performanceCount":0,"hardwareCounts":{},"topMetrics":[],"recent":[]},"trust":{"score":0,"level":"metadata-checked","label":"Unknown","qualification":"recorded-state-complete-bytes","trustImpact":"none","checks":[{"id":"license","label":"License","status":"pass","detail":"apache-2.0"},{"id":"provenance","label":"Provenance","status":"pass","detail":"JetBrains/Mellum2-12B-A2.5B-Base"},{"id":"scan","label":"Scan","status":"pass","detail":"passed"},{"id":"hosting","label":"Hosted files","status":"warn","detail":"external metadata only"},{"id":"manifest","label":"Byte manifest integrity","status":"warn","detail":"manifest metadata present; selected-representation state unknown"}],"strengths":["License: apache-2.0","Provenance: JetBrains/Mellum2-12B-A2.5B-Base","Scan: passed"],"gaps":["Hosted files: external metadata only","Byte manifest integrity: manifest metadata present; selected-representation state unknown"]},"readiness":{"score":0,"level":"unknown","hostedFinal":false,"hostedFiles":0,"externalFiles":15,"totalFiles":15},"recentReviews":[],"answerEngine":{"preferredCitation":"https://huggingbay.xyz/artifact/hf-model-jetbrains-mellum2-12b-a2-5b-base/community","extractionUrls":{"reviewSummary":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/review-summary","fullReviews":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/reviews?limit=50","trustBundle":"https://huggingbay.xyz/api/trust-bundles/hf-model-jetbrains-mellum2-12b-a2-5b-base","agentBundle":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/agent-bundle","cardMarkdown":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/card.md","distribution":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/distribution"},"supportedClaims":["JetBrains/Mellum2-12B-A2.5B-Base has 0 self-reported, unqualified Hugging Bay community reviews.","JetBrains/Mellum2-12B-A2.5B-Base has 0 self-reported run claims; none qualify verification during limited availability.","JetBrains/Mellum2-12B-A2.5B-Base has 0 self-reported benchmark or performance evidence items; none affect product decisions."],"claimBoundaries":["This endpoint is an unqualified evidence record. Its contents do not affect ranking, Finder, facts, request state, badges, cards, JSON-LD, or reputation.","Do not treat missing reviews as negative quality evidence.","Do not claim Hugging Bay hosts artifact files unless hosted/downloadable endpoints show hosted rows.","Do not infer safety, legality, or production readiness beyond the displayed license, trust, scan, and review evidence."]},"actions":{"readFullReviews":{"method":"GET","url":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/reviews?limit=50"},"submitReview":{"method":"POST","url":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/reviews"},"inspectTrust":{"method":"GET","url":"https://huggingbay.xyz/api/trust-bundles/hf-model-jetbrains-mellum2-12b-a2-5b-base"},"inspectBundle":{"method":"GET","url":"https://huggingbay.xyz/api/artifacts/hf-model-jetbrains-mellum2-12b-a2-5b-base/agent-bundle"}},"note":{"summary":"Downloadable doesn't mean tested: this record says whether the exact file can be downloaded now, not that the model is complete or that it runs."}}