Side-by-side comparison of Jamba 1.5 Large (AI21 Labs · Israel) and SmolLM3 3B (Hugging Face · USA) for self-hosted deployment of the open-weight model. Jamba 1.5 Large is rated conditional; SmolLM3 3B is EU-ready. They part ways on licence: Jamba 1.5 Large is "Jamba Open", SmolLM3 3B is "Apache 2.0".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | Conditional SSM-Transformer hybrid (Mamba) with 256K context. Jamba Open Model License permits commercial use below $50M annual revenue; above that, paid licence required. Israel jurisdiction; EU adequacy decision in place. | EU-ready Fully open small model: Apache 2.0 weights, training data published, engineering blueprint public. 6 native languages (EN/FR/ES/DE/IT/PT) covers major EU markets. 128K context via YARN. Strong default for edge or on-prem EU deployments where transparency matters. |
| Last reviewed | 2026-04-15 | 2026-04-16 |
| Open-weight | ||
| Licence | Jamba Open | Apache 2.0 |
| Commercial use | Under $50M rev. | Yes |
| Training data | Undisclosed | Disclosed |
| Origin | Israel | USA |
| Performance & pricing? | ||
| Quality index | 11/100 | — |
| Speed | — | — |
| Blended price | $3.50/M | — |
| Context window | — | — |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.