Jamba 1.5 Mini

AI21 Labs

Verified against Artificial Analysis · Jul 13, 2026

Capability

percentile index

Price /M

$0.2 / $0.4

in / out

Context

—

Avg score

20.4

6 benchmarks

AA Intelligence

2.7

index

Weights

Closed

Released

Aug 22, 2024

About

Jamba 1.5 Mini is a proprietary model in the Jamba family from AI21 Labs. Benchmarked on 6 evals, averaging 20.4.

Benchmark scores · 6

avg 20.4 — higher is better

MMLU-Proartificial-analysis · 2026-07

37.1

MATHartificial-analysis · 2026-07

35.7

GPQA Diamondartificial-analysis · 2026-07

30.2

SciCodeartificial-analysis · 2026-07

LiveCodeBenchartificial-analysis · 2026-07

6.2

Humanity's Last Examartificial-analysis · 2026-07

5.1

Details

PublisherAI21 Labs

FamilyJamba

Parameters—

License—

WeightsClosed

ReleasedAug 22, 2024

Performance & price

Price in / out$0.2 / $0.4 per 1M

Blended price$0.25 / 1M

Median across API providers, via Artificial Analysis. Blended = 3:1 input:output. For reasoning models, latency includes thinking time. Methodology →

History

full ledger →

Capability over time

Append-only ledger — every observed change to this model's numbers.

API providers

Artificial Analysis$0.4/M