Jamba 1.5 Large
AI21 LabsOpen WeightJamba Open Model License
Description
State-of-the-art hybrid SSM-Transformer instruction following foundation model, offering superior long context handling, speed, and quality.
Release Date
2024-08-22
Parameters
398.0B
Context Length
—
Modalities
text
Capability Radar
21
general
14
coding
29
reasoning
31
science
24
agents
0
multimodal
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Code Ranking | 551 | 15.0 | AA |
| General Ranking | 540 | 24.0 | AA |
| Science | 556 | 22.0 | AA |
Benchmark Scores (LLM Stats)
(LLM Stats (zeroeval))General
MMLU
81.2%SR
Arena Hard
65.4%SR
TruthfulQA
58.3%SR
Wild Bench
48.5%SR
Language
MMLU-Pro
53.5%SR
Math
GSM8k
87.0%SR
Reasoning
ARC-C
93.0%SR
GPQANYU + Cohere + Anthropic (2023)
36.9%SR
AA Evaluation Indices
(Artificial Analysis)Math 500(OpenAI (2024), subset of Hendrycks et al. MATH (2021))60.6
Mmlu Pro(TIGER-Lab (Univ. of Waterloo, Toronto, CMU, 2024))57.2
Gpqa(NYU + Cohere + Anthropic (2023))42.7
Livecodebench(UC Berkeley + MIT + Cornell (2024))14.3
Intelligence Index(Artificial Analysis)6.0
Aime(MAA (Mathematical Association of America))4.7
Hle(Center for AI Safety + Scale AI (2025))4.1
LLM Stats Category Scores
(LLM Stats (zeroeval))Chat70
Language70
Math70
Reasoning70
General70
Creativity70
Writing70
Legal60
Finance60
Healthcare60
Communication50
Physics40
Biology40
Chemistry40
Pricing
Input Price$2 / 1M tokens
Output Price$8 / 1M tokens
Blended Price (3:1)$3.5 / 1M tokens
Speed
Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s
Provider Price Ranking
Provider Price Ranking
1 providers
ProviderInputOutput
1AI21 LabsPRIMARY
$2
$8
Compare pricing across different API providers for this model.