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
#445
Math Index
#263
MMLU-Pro
#271
GPQA
#443
HLE
#479
LiveCodeBench
#270
AIME
#147
IFBench
#311
Time to First Token
#5
SciCode
#414
MATH-500
#155
AIME 2025
#263
LCR
#333
TerminalBench Hard
#316
TAU2
#369
Output TPS
#246

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$8.00Available
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