Jamba 1.7 Large is AI21 Labs's language model with a 256K context window and up to 4K output tokens, 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 · 1 year ago
Knowledge Cutoff · 2 years ago
Benchmarks
Intelligence Index
#466
Math Index
#263
MMLU-Pro
#271
GPQA
#454
HLE
#509
LiveCodeBench
#270
AIME
#147
IFBench
#312
Time to First Token
#6
SciCode
#444
MATH-500
#155
AIME 2025
#263
LCR
#364
TerminalBench Hard
#317
TAU2
#370
Output TPS
#256

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

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Jamba 1.7 Large256K$2.00$8.00Current
Jamba 1.5 Large256K$2.00$8.00Deprecated
Jamba 1.6 Large—256K$2.00$8.00Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Jamba 1.5 MiniMini256K$0.200$0.400
Jamba 1.5——256K$0.200$0.400
Jamba 1.6 MiniMini—256K$0.200$0.400
Jamba 1.7 MiniMini—256K$0.200$0.400
Jamba Reasoning 3B—————
Jamba Instruct——256K$0.500$0.700

Model IDs

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