Jamba Large 1.7
Jamba Large 1.7 is the Large model of AI21 Labs’ Jamba family, released on July 3, 2025, built on its hybrid SSM-Transformer (Mamba-Transformer) architecture with a 256K-token context window; AI21 says version 1.7 improves grounding and instruction-following.
Released
July 3, 2025
Type
llm
License
open-weight
Jamba Open Model License
Context
—
The developer states a context window of “256K” tokens.
Pricing
Input
$2.00 / 1M tokens
Output
$8.00 / 1M tokens
List price on the developer's own pages, checked . Listed as “Jamba Large” on AI21’s pricing page; AI21’s docs say the jamba-large API alias points to jamba-large-1.7-2025-07.
Capabilities
Architecture
Parameters: 398B total, 94B active
Sources
Every figure on this page was checked against these pages on . A figure we could not source is left out.
- AI21 docs: Jamba foundation models (opens in a new tab)
- AI21 changelog (opens in a new tab)
- AI21 pricing (opens in a new tab)
- Hugging Face: ai21labs/AI21-Jamba-Large-1.7 (opens in a new tab)
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