Side-by-side comparison of Gemma 4 (Google · USA) and Jamba 1.5 Large (AI21 Labs · Israel) for self-hosted deployment of the open-weight model. Gemma 4 is rated EU-ready; Jamba 1.5 Large is conditional. They part ways on licence: Gemma 4 is "Apache 2.0", Jamba 1.5 Large is "Jamba Open".
| Field | ||
|---|---|---|
| Summary | ||
| Verdict | EU-ready Major licence shift from Gemma 2/3: Apache 2.0 across the family. 140+ languages, multimodal (text/image/audio/video on small sizes), 128K-256K context. Strong permissive default for EU deployments that need robust multilingual support. | 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. |
| Last reviewed | 2026-04-15 | 2026-04-15 |
| Open-weight | ||
| Licence | Apache 2.0 | Jamba Open |
| Commercial use | Yes | Under $50M rev. |
| Training data | Partial | Undisclosed |
| Origin | USA | Israel |
| Performance & pricing? | ||
| Quality index | 32/100 | 11/100 |
| Speed | — | — |
| Blended price | — | $3.50/M |
| Context window | — | — |
| Evidence | ||
| Sources | ||
No overlapping sources between the two entries.