Compare / head-to-head

Jamba2 3BvsJamba2 Mini

Jamba2 Mini leads 4 of 4 shared benchmarks. Both offer a 256K-token context window.

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 4
Jamba2 Mini leads
Cheaper per token
—
list price, input + output
Larger context
Tie
both 256K tokens
Providers
AI21 Labs
same provider
Jamba2 3B
AI21 Labs · released 2026-01-08
text
Context
256K
Max out
—
Input /1M
—
Output /1M
—
Cached /1M
—
Scores
4 · 0 core
Jamba2 Mini
AI21 Labs · released 2026-01-08
text
Context
256K
Max out
4K
Input /1M
$0.2 ↗
Output /1M
$0.4 ↗
Cached /1M
—
Scores
4 · 0 core
Quality

Benchmark matrix

BenchmarkJamba2 3BJamba2 MiniΔEdge
Reported by both · 4
Collie24% ↗33% ↗-9 ptJamba2 Mini
FACTS54% ↗57% ↗-3 ptJamba2 Mini
IFBench36% ↗38% ↗-2 ptJamba2 Mini
IFEval93% ↗97% ↗-4 ptJamba2 Mini
Only Jamba2 3B reports · 0
Jamba2 3B reports nothing Jamba2 Mini does not.
Only Jamba2 Mini reports · 0
Jamba2 Mini reports nothing Jamba2 3B does not.
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 Jamba2 3B 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

SpecJamba2 3BJamba2 MiniEdge
Context window256K tokens256K tokensTie
Max output—4K tokens—
Input price / 1M—$0.2 ↗—
Output price / 1M—$0.4 ↗—
Cached input / 1M———
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
—$0.6—
ModalitiestexttextTie
Released2026-01-082026-01-08—
Cited benchmark scores44—
Reliability

AI21 Labs status

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