What are the key differences between Jamba and Jamba 1.5?

Compare Jamba and Jamba 1.5 side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Jamba and Jamba 1.5 scored?

Jamba has an AI score of 7.9/10 and Jamba 1.5 has an AI score of 8.1/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Jamba vs Jamba 1.5 2026 - Compared

Jamba

Jamba 1.5

WINNER Jamba 1.5

Jamba 1.5 edges ahead with a score of 8.1/10 compared to 7.9/10 for Jamba. While both are highly rated in their respecti...

Jamba

7.85 Good

Model Get Jamba open_in_new

emoji_events WINNER

Jamba 1.5

8.05 Great

Model Get Jamba 1.5 open_in_new

psychology AI Verdict

Jamba 1.5 edges ahead with a score of 8.1/10 compared to 7.9/10 for Jamba. While both are highly rated in their respective fields, Jamba 1.5 demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Jamba 1.5

verified Confidence: Low

Ready to decide? Get Jamba 1.5 arrow_forward

description Overview

Jamba

Jamba is a large language model released by AI21 Labs in March 2024, notable for its hybrid architecture combining Mamba state-space layers with Transformer attention layers in a mixture-of-experts configuration. The model has 52 billion total parameters across eight experts, of which approximately 12 billion are active per token. The hybrid design is intended to provide long-context processing wi...

Jamba 1.5

Jamba 1.5 is a hybrid large language model developed by AI21 Labs in 2024 that combines Mamba state-space architecture layers with traditional Transformer attention mechanisms. This hybrid approach aims to deliver the computational efficiency of state-space models while maintaining the reasoning capabilities of Transformers, with a context window of 256,000 tokens. The model is available in two ve...