Jamba Mini 2
AI21's efficient Jamba model (52B parameters, 12B active) balancing efficiency and steerability for core enterprise workflows.
Specs
- Context
- 262.1K
- Max output
- 4.1K
- Input price
- $0.2/ 1M tokens
- Output price
- $0.4/ 1M tokens
- Released
- 2026-01-08
Context
- Context window
- 262.1K
- Max input
- —
- Max output
- 4.1K
Pricing · USD / 1M tokens
- Input
- $0.2
- Output
- $0.4
- Cache read
- —
- Cache write
- —
Modalities
- Input
- Text
- Output
- Text
API
- API types
Reasoning
- Reasoning
- No
Info
- Status
- Active
- Released
- 2026-01-08
- Knowledge cutoff
- 2024-08-22
Features
- Confirmed
How to call
1 provider
ai21model = jamba-mini
chat
POSThttps://api.ai21.com/studio/v1/chat/completions
JSON
Standard format
{
"id": "jamba-mini-2",
"object": "model",
"created": 1767830400,
"owned_by": "ai21",
"name": "Jamba Mini 2",
"api": {
"types": [
"chat"
]
},
"limits": {
"context": 262144,
"input": null,
"output": 4096
},
"modalities": {
"input": [
"text"
],
"output": [
"text"
]
},
"reasoning": {
"supported": false,
"efforts": []
},
"pricing": {
"currency": "USD",
"unit": "1M_tokens",
"input": 0.2,
"output": 0.4,
"cache_read": null,
"cache_write": null
},
"features": [
"tools",
"streaming"
],
"info": {
"status": "active",
"release_date": "2026-01-08",
"knowledge_cutoff": "2024-08-22",
"description": "AI21's efficient Jamba model (52B parameters, 12B active) balancing efficiency and steerability for core enterprise workflows.",
"docs": "https://docs.ai21.com/docs/jamba-foundation-models",
"verified_at": "2026-10-11"
}
}Official sources
6
Jamba | AI21 Documentationdocs.ai21.com2026-10-11Chat request | AI21 API Referencedocs.ai21.com2026-10-10Function Calling | AI21 Documentationdocs.ai21.com2026-10-10AI21 Pricingwww.ai21.com2026-10-10AI21-Jamba2-Mini config.json (max_position_embeddings 262144 for 256K) | Hugging Facehuggingface.co2026-10-10Introducing Jamba2 - AI21 Blogwww.ai21.com2026-10-11