J1
ENT-00001071 · Foundation Model

Jamba 1.5 Mini

Jamba 1.5 Mini is a hybrid model associated with AI21 Labs.

Level IV — ConnectedActiveConnected
Human readable record

Overview

Jamba 1.5 Mini is a foundation-model entity associated with AI21 Labs. The record documents the model inside the hybrid model family, focusing on its release context, modality, intended capabilities, source lineage and relationship to adjacent model families.

Timeline

  1. 2024Jamba 1.5 Mini public release or documentation

    Jamba 1.5 Mini appears in public documentation as a hybrid model associated with AI21 Labs.

Capabilities

Language modelingInstruction followingModel-family interoperabilityBenchmarkable AI capability

Known limitations

Capabilities vary by checkpoint, deployment configuration and provider policy.The record documents public model identity, not private training details.
Technical and registry detail

Technical description

Technical model record for Jamba 1.5 Mini. The structured layer captures provider, model family, release period, capabilities, limitations, source anchors and graph relations to AI21 Labs, related assistants, evaluation benchmarks and deployment environments.

Controlled tags

Foundation ModelModel VariantAI ModelBatch 03 Candidate
Relationship graph
Jamba 1.5 Mini
Created byAI21 Labs

Jamba 1.5 Mini is associated with AI21 Labs.

Machine readable layer

Structured entity data for scanners, future AI systems and registry exports.

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00001071",
    "name": "Jamba 1.5 Mini",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "Jamba 1.5 Mini is a hybrid model associated with AI21 Labs.",
    "creator": "AI21 Labs",
    "url": "entity.php?id=ENT-00001071",
    "sameAs": "https://www.ai21.com/",
    "lxkeysWorld": {
        "classification": "hybrid model",
        "organization": "AI21 Labs",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "2024",
        "currentStatus": "Active",
        "registryStatus": "Connected",
        "spatiumIndex": {
            "total": 74,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV — Connected"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:14+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:14+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "reviewed_utc": "2026-06-16T23:59:14+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Language modeling",
            "Instruction following",
            "Model-family interoperability",
            "Benchmarkable AI capability"
        ],
        "limitations": [
            "Capabilities vary by checkpoint, deployment configuration and provider policy.",
            "The record documents public model identity, not private training details."
        ],
        "tags": [
            "Foundation Model",
            "Model Variant",
            "AI Model",
            "Batch 03 Candidate"
        ],
        "timeline": [
            {
                "date": "2024",
                "title": "Jamba 1.5 Mini public release or documentation",
                "description": "Jamba 1.5 Mini appears in public documentation as a hybrid model associated with AI21 Labs."
            }
        ],
        "relationships": [
            {
                "target": "AI21 Labs",
                "type": "Created by",
                "description": "Jamba 1.5 Mini is associated with AI21 Labs.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "AI21 Labs official site",
                "url": "https://www.ai21.com/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}
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