{"schema_version":"onlylabs.public_signal.v1","title":"AI21 Labs Model: ai21labs/AI21-Jamba-Reasoning-3B","description":"AI21 Labs model signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/08cad506-5c93-478b-b35e-89c47e0add0b","json_url":"https://onlylabs.fyi/signals/08cad506-5c93-478b-b35e-89c47e0add0b/signal.json","generated_at":"2026-06-11T02:50:33.92555+00:00","org":{"slug":"ai21","name":"AI21 Labs","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/ai21","dossier_json_url":"https://onlylabs.fyi/labs/ai21/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/08cad506-5c93-478b-b35e-89c47e0add0b","signal_json":"https://onlylabs.fyi/signals/08cad506-5c93-478b-b35e-89c47e0add0b/signal.json","source":"https://huggingface.co/ai21labs/AI21-Jamba-Reasoning-3B","lab_dossier":"https://onlylabs.fyi/labs/ai21","lab_dossier_json":"https://onlylabs.fyi/labs/ai21/dossier.json","analysis":"https://onlylabs.fyi/analysis/ai21","analysis_json":"https://onlylabs.fyi/analysis/ai21/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/ai21/evidence.json","category":"https://onlylabs.fyi/neolabs","category_json":"https://onlylabs.fyi/neolabs.json","category_feed":"https://onlylabs.fyi/neolabs/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml?category=neolab","data_business":null},"answer_pack":{"answer":"AI21 Labs published ai21labs/AI21-Jamba-Reasoning-3B. 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Key Advantages **Fast: Optimized for efficient sequence processing** The hybrid design combines Transformer attention with Mamba (a state-space model). Mamba layers are more efficient for sequence processing, while attention layers capture complex dependencies. This mix reduces memory overhead, improves throughput, and makes the model run smoothly on laptops, GPUs, and even mobile devices, while maintainig impressive quality. <img src=\"https://huggingface.co/ai21labs/AI21-Jamba-Reasoning-3B-GGUF/resolve/main/assets/Intelligence%20vs%20Speed%20Jamba%20Reasoning%203B.png\" width=\"900\"/> **Smart: Leading intelligence scores** The model outperforms competitors, such as Gemma 3 4B, Llama 3.2 3B, and Granite 4.0 Micro, on a..."},"evidence_pages":[{"url":"https://huggingface.co/ai21labs/AI21-Jamba-Reasoning-3B/raw/main/README.md","final_url":"https://huggingface.co/ai21labs/AI21-Jamba-Reasoning-3B/raw/main/README.md","title":"ai21labs/AI21-Jamba-Reasoning-3B model card","http_status":200,"content_type":"text/plain; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:50:33.92555+00:00","bytes":7194,"raw_path":"d3db8f3be55f432cc05c419264d5805684eaf5b1ef5c8854428137c9201a40bf.md","content_hash":"8e6cb0d800dcdf5ca849e02be4886032be5a32aef1d533f39cc6944d3858f4ef","excerpt_chars":1200,"truncated":true,"excerpt":"--- license: apache-2.0 license_name: jamba-open-model-license license_link: https://www.ai21.com/licenses/jamba-open-model-license pipeline_tag: text-generation library_name: transformers --- Introduction AI21’s Jamba Reasoning 3B is a top-performing reasoning model that packs leading scores on intelligence benchmarks and highly-efficient processing into a compact 3B build. <br> Read the full blog post [here](https://www.ai21.com/blog/introducing-jamba-reasoning-3B). Key Advantages **Fast: Optimized for efficient sequence processing** The hybrid design combines Transformer attention with Mamba (a state-space model). Mamba layers are more efficient for sequence processing, while attention layers capture complex dependencies. This mix reduces memory overhead, improves throughput, and makes the model run smoothly on laptops, GPUs, and even mobile devices, while maintainig impressive quality. <img src=\"https://huggingface.co/ai21labs/AI21-Jamba-Reasoning-3B-GGUF/resolve/main/assets/Intelligence%20vs%20Speed%20Jamba%20Reasoning%203B.png\" width=\"900\"/> **Smart: Leading intelligence scores** The model outperforms competitors, such as Gemma 3 4B, Llama 3.2 3B, and Granite 4.0 Micro, on a..."}],"related_signals":[{"id":"82bd31a3-1060-481c-8dca-c67a3460081d","url":"https://onlylabs.fyi/signals/82bd31a3-1060-481c-8dca-c67a3460081d","source_url":"https://huggingface.co/ai21labs/AI21-Jamba2-3B","title":"ai21labs/AI21-Jamba2-3B","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2026-01-06T08:19:07+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"},{"id":"c335fa3f-d9d7-48f5-b630-524d18848151","url":"https://onlylabs.fyi/signals/c335fa3f-d9d7-48f5-b630-524d18848151","source_url":"https://huggingface.co/ai21labs/AI21-Jamba2-Mini","title":"ai21labs/AI21-Jamba2-Mini","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2026-01-06T08:18:34+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"},{"id":"12cb53f1-8243-4247-837b-ee88d2015ed7","url":"https://onlylabs.fyi/signals/12cb53f1-8243-4247-837b-ee88d2015ed7","source_url":"https://huggingface.co/ai21labs/AI21-Jamba-Large-1.7","title":"ai21labs/AI21-Jamba-Large-1.7","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2025-07-02T07:07:10+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"},{"id":"f45882cb-77d4-43d1-9894-de46e865960f","url":"https://onlylabs.fyi/signals/f45882cb-77d4-43d1-9894-de46e865960f","source_url":"https://huggingface.co/ai21labs/AI21-Jamba-Mini-1.7","title":"ai21labs/AI21-Jamba-Mini-1.7","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2025-07-01T10:46:27+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"},{"id":"6ec78ce8-1707-45e3-8a8a-2f84fb5bfaf7","url":"https://onlylabs.fyi/signals/6ec78ce8-1707-45e3-8a8a-2f84fb5bfaf7","source_url":"https://huggingface.co/ai21labs/AI21-Jamba-Mini-1.6","title":"ai21labs/AI21-Jamba-Mini-1.6","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2025-02-27T16:01:34+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"},{"id":"daf28eea-a467-4895-b12b-c459437bf9b0","url":"https://onlylabs.fyi/signals/daf28eea-a467-4895-b12b-c459437bf9b0","source_url":"https://huggingface.co/ai21labs/AI21-Jamba-Large-1.6","title":"ai21labs/AI21-Jamba-Large-1.6","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"ai21","name":"AI21 Labs","category":"neolab"},"occurred_at":"2025-02-27T16:00:42+00:00","first_seen_at":"2026-06-06T01:49:32.144277+00:00","date_source":"source"}]}