Creator
AI21 Labs
Released
2024-08-22
Intelligence
2.7
Artificial Analysis Index
Coding
—
Artificial Analysis Index
In $/1M
$0.20
input tokens
Out $/1M
$0.40
output tokens
Blended $/1M
$0.25
3:1 blended
Speed
0
tokens / sec
Profile
License, openness, and modality — the governance layer.
License
Jamba Open Model License
non-commercial
Weights
Open
downloadable
Modalities
Text
Parameters
52B
total
Part of the Jamba 1.5 family, a state-of-the-art hybrid SSM-Transformer instruction following foundation model offering superior long context handling, speed, and quality.
Capability profile
Category strength across 20 domains, via LLM Stats.
math
60legal
60finance
60general
60language
60reasoning
60healthcare
60
writing
50creativity
50communication
40biology
30physics
30chemistry
30
Benchmark breakdown
Independent evaluation scores, normalized to 0–100.
GPQA Diamond
30
Humanity’s Last Exam
5
MMLU-Pro
37
SciCode
8
LiveCodeBench
6
MATH-500
36
AIME 2025—
τ²-Bench (agentic)—
Terminal-Bench Hard—
IFBench—