Jamba Large 1.7

ai21/jamba-large-1.7

Jamba Large 1.7 is the latest model in the Jamba open family, offering improvements in grounding, instruction-following, and overall efficiency. Built on a hybrid SSM-Transformer architecture with a 256K context...

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Context window: 256K
Input: Text
Output: Text
Released: 2025-08-08

Max output: 4.1K
Knowledge cutoff: 2024-08-31
Model parameters: 399B
Weights: Open
Capabilities: Open weight, Temperature, Tool call

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Overall capability

35.6/100

Coding: —
Reasoning: —
Professional work: —
Knowledge & language: 28.3


BullshitBench v2	Knowledge & language		BullshitBench	2026-11-05

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ModelRegistry · Catalog updated 2026-11-05