Modeldex
AI21

Jamba Mini

CTX256K
Tools
TextInput$0.20/M
TextOutput$0.40/M

AI21's efficient, lightweight hybrid SSM-Transformer model for a wide range of tasks

Open weightsJamba Open Model license735/1044
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AI21TextCommon

Jamba Mini

AI21's efficient, lightweight hybrid SSM-Transformer model for a wide range of tasks

jamba-mini
Type
Text
Quality
Not rated yet
Context window
256,000 tokens
Max output
4,096 tokens
Input price
$0.20 / 1M tokens
Output price
$0.40 / 1M tokens
Cache read
—
Cache write
—
Released
Jan 1, 2026
Knowledge cutoff
Aug 2024
Takes in
Text
Puts out
Text
Reasoning
No
Tool calling
Yes
Structured output
Yes
File attachments
No
Access
Open weights
License
Jamba Open Model license
Rarity
Common
Set number
735/1044

No matching Hugging Face repo was found, so this shows AI21’s usual open-weight license. Check the model card before relying on it. Specs from models.dev, last changed Oct 19, 2026. Official source: docs.ai21.com.

How good is it?

Public leaderboard scores for Jamba Mini, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists Jamba Mini yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

1 provider sells Jamba Mini through an API. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
AI21 LabsOfficialjamba-mini$0.20$0.40256K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

More from AI21

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Jamba Large

CTX256K
Tools
TextInput$2/M
TextOutput$8/M

AI21's hybrid SSM-Transformer long-context model for enterprise agents and grounded generation

Open weightsJamba Open Model license597/1044
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