Jamba 1.5 Large

Released
2024-08-22
Last refreshed
2026-10-08
Status
Researched 152d ago
Open weightsCommercial use: restrictedRAGAgentsLong contextClassificationJSON / Tool use
AI21 Labs releases · 1 in the last 12 monthsChangelog →
Specifications
Family
Jamba 1.5
Released
2024-08-22
Context
256K
Parameters
398B (94B active)
Architecture
Decoder Only
Knowledge cutoff
2024-03
Specialization
general
Openness
Open weights
License
Jamba Open ModelRestricted
Weights
Unknown
Code
Unknown
Training
Fine-tuned
Created by
AI21 Labs

Developing AI for natural language understanding.

Tel Aviv, Israel
Founded 2017
Website
Pricing
Output / 1M
$8.00
Input / 1M
$2.00

Cheapest of 1 route · AWS Bedrock

Providers(1)
AWS Bedrock
View 1 provider route

About

Jamba 1.5 Large is AI21 Labs' Jamba 1.5 model. It offers a 256K-token context window.

Providers(1)

Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
AWS Bedrock$2.00$8.00
Serverless
Scheduled retirement: November 26, 2026

Available via routers & gateways(1)

Amazon Bedrock Intelligent Prompt Routing

Router

AWS Bedrock's native intelligent prompt router that routes prompts between Anthropic Claude model tiers (Haiku/Sonnet) based on predicted task complexity, with no extra per-routing charge.

PassthroughAWS Bedrock

Capabilities

JSON / Tool useStructured Outputs

Benchmark peer barsfor RAG

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.