Compare / head-to-head
Jamba Large 1.7vsJamba2 Mini
Jamba Large 1.7 and Jamba2 Mini split their 2 shared benchmarks evenly. Jamba2 Mini is 16.7x cheaper per token. Both offer a 256K-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 1
even split
Cheaper per token
Jamba2 Mini
16.7x cheaper, input + output
Larger context
Tie
both 256K tokens
Providers
AI21 Labs
same provider
Jamba Large 1.7
AI21 Labs · released 2025-07-03
text
Jamba2 Mini
AI21 Labs · released 2026-01-08
text
Quality
Benchmark matrix
2 shared · 0 only Jamba Large 1.7 · 2 only Jamba2 Mini| Benchmark | Jamba Large 1.7 | Jamba2 Mini | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 2 | ||||
| FACTS | 83.2% ↗ | 57% ↗ | +26.2 pt | Jamba Large 1.7 |
| IFEval | 84% ↗ | 97% ↗ | -13 pt | Jamba2 Mini |
| Only Jamba Large 1.7 reports · 0 | ||||
| Jamba Large 1.7 reports nothing Jamba2 Mini does not. | ||||
| Only Jamba2 Mini reports · 2 | ||||
| Collie | not reported | 33% ↗ | — | — |
| IFBench | not reported | 38% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Jamba Large 1.7 minus Jamba2 Mini in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Jamba Large 1.7 | Jamba2 Mini | Edge |
|---|---|---|---|
| Context window | 256K tokens | 256K tokens | Tie |
| Max output | 4K tokens | 4K tokens | Tie |
| Input price / 1M | $2 ↗ | $0.2 ↗ | Jamba2 Mini |
| Output price / 1M | $8 ↗ | $0.4 ↗ | Jamba2 Mini |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $10 | $0.6 | Jamba2 Mini |
| Modalities | text | text | Tie |
| Released | 2025-07-03 | 2026-01-08 | — |
| Cited benchmark scores | 2 | 4 | — |
Reliability
AI21 Labs status
Live from /statusMore matchups
Jamba Large 1.7 vs …
Models sharing the most benchmarksMore matchups
Jamba2 Mini vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Jamba Large 1.7 and Jamba2 Mini on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.