Jamba Mini 1.7
Jamba Mini 1.7 updated the smaller Jamba line with stronger grounding and better adherence to instructions. Its public weights remain listed separately from Jamba2 Mini.
Deprecated API; check access details
Grounding changed more than the model name
The model card reports a FACTS score of 0.790, up from 0.727 for Mini 1.6. It also reports a higher instruction-following result. The comparisons belong to AI21's evaluation setup.AI21-Jamba-Mini-1.7 official model card
Public weights and the old API have different lifecycles
AI21 lists the dated endpoint jamba-mini-1.7-2025-08 as deprecated. The current jamba-mini alias selects Jamba2 Mini.AI21 Jamba versions, aliases and API deprecations
The original and FP8 repositories remain downloadable after the required access and license steps. The card's serving example calls for at least two 80 GB GPUs for its illustrated configuration.AI21-Jamba-Mini-1.7 official model card
When this version still matters
Practical guidance. Keep this version when reproducing a Mini 1.7 deployment or comparing a later migration. For a new integration, compare it with Jamba2 Mini before investing in the older serving setup.
Specifications & access
| Detail | Value and conditions |
|---|---|
| Status | Deprecated API; check access details |
| Launch date | |
| Access | Downloadable |
| Model identifiers | AI21-Jamba-Mini-1.7AI21-Jamba-Mini-1.7-FP8jamba-mini-1.7-2025-08 |
| Context | 256K tokens advertisedAI21-Jamba-Mini-1.7 official model card |
| Knowledge cutoff | 22 August 2024AI21-Jamba-Mini-1.7 official model card |
| Weight license | Jamba Open Model License; gated downloadAI21-Jamba-Mini-1.7 official model card |
| AI21 API deprecation | 1 February 2026AI21 Jamba versions, aliases and API deprecations |
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