Jamba 1.7 Large is AI21 Labs's language model with a 256K context window and up to 4K output tokens, available from 2 providers, starting at $2.00 / 1M input and $8.00 / 1M output. The large-tier Jamba 1.7 model from AI21 Labs, built on a hybrid SSM-Transformer architecture with improvements in grounding, instruction-following, and overall efficiency.
Specifications
Canonical IDai21-jamba-1-7-large
TypeLanguage
StatusActive
CreatorAI21 LabsAI21 Labs
Providers
Context Window256K tokens
Max Output4K tokens
Input ModalitiesText
Output ModalitiesText
Release Date · 11 months ago
Knowledge Cutoff · 2 years ago
Benchmarks
Intelligence Index
5.3
#381
Math Index
2.3
#250
MMLU-Pro
0.6
#254
GPQA
0.4
#379
HLE
0.0
#409
LiveCodeBench
0.2
#257
AIME
0.1
#135
IFBench
0.4
#283
Time to First Token
0.98s
#328
SciCode
0.2
#351
MATH-500
0.6
#143
AIME 2025
0.0
#250
LCR
0.2
#267
TerminalBench Hard
0.0
#295
TAU2
0.1
#345
Output TPS
58.5
#197

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
AI21 Labs logo
AI21 Labs
jamba-large-1.7
$2.00$8.00
OpenRouter logo
OpenRouter
ai21/jamba-large-1.7
$2.00$8.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Jamba 1.7 Large256K$2.00$8.00Current
Jamba 1.5 Large256K$2.00$8.00Deprecating
Jamba 1.6 Large256K$2.00$8.00Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Jamba 1.5 MiniMini256K$0.200$0.400
Jamba 1.5256K$0.200$0.400
Jamba 1.7 MiniMini256K$0.200$0.400
Jamba 1.6 MiniMini256K$0.200$0.400
Jamba Reasoning 3B
Jamba Instruct256K$0.500$0.700

Model IDs

ai21-jamba-1-7-large
ai21/jamba-large-1.7
jamba-1-7-large
jamba-large-1.7