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Jamba 1.5 Mini

Jamba 1.5 Mini from AI21 Labs is a cutting-edge hybrid SSM-Transformer model delivering ultra-fast inference up to 2.5x faster than competitors, with a massive 256K token context window for superior long-context handling. Ideal for efficient chatbots, document summarization, and real-time enterprise AI applications, it combines top-tier quality and speed in a lightweight 12B active parameter package.

256k Context
Low Intelligence
Mar '24 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

MMLU
69.7%
MMLU-Pro
39.8%
Arena Hard
46.1%

How do you want to interact?

Start a Conversation

Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

Start Chatting

Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

Pick a Persona

Why use Jamba 1.5 Mini?

Long Context Handling

256K effective context window, the longest available, for document summarization, RAG, and agentic workflows

High Speed

Up to 2.5X faster inference on long contexts than similar models, with low latency

Function Calling

Supports tool use, JSON mode, structured outputs, and citation for developer workflows

Capability Examples

Long Document Summarization
Summarize this 50,000-word research paper on climate change impacts, focusing on key findings and recommendations.
The paper analyzes global warming trends from 1850-2025, highlighting a 1.5°C rise accelerating extreme weather. Key findings: 30% biodiversity loss, rising sea levels threatening 1B people. Recommendations: Cut emissions 45% by 2030 via renewables, policy reforms, and carbon pricing. Concise, actionable insights preserved despite long context.
Fast Customer Support Query
Suggest responses to these 10 customer emails about billing issues, each 2K words long, in under 10 seconds.
Here are tailored responses: 1. Refund processed, ETA 24h. 2. Dispute reviewed, credit issued. ... (10 concise, empathetic replies generated rapidly, handling full context without truncation).

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure Jamba 1.5 Mini is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

Compare LLMs Side-by-Side

Is Jamba 1.5 Mini better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

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