Jamba 1.5 Large vs Qwen3.5-0.8B
Jamba 1.5 Large leads the LLM Stats Score 1.1 to -5.9.
AI21 Labs · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Jamba 1.5 Large leads the overall LLM Stats Score 1.1 to -5.9, ranking #310 overall.
In the 2 individual benchmarks reported for both models, Jamba 1.5 Large wins 2; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Jamba 1.5 Large
- overall performance matters — it scores 1.1 and ranks #310 on LLM Stats
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
Choose Qwen3.5-0.8B
- you want the most recent training data — it shipped Mar 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
8 reported for Jamba 1.5 Large · 20 for Qwen3.5-0.8B
Jamba 1.5 Large outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Qwen3.5-0.8B is better at 0 benchmarks.
Jamba 1.5 Large significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
Jamba 1.5 Large has 397.2B more parameters than Qwen3.5-0.8B, making it 49650.0% larger.
Context Window
Maximum input and output token capacity
Only Jamba 1.5 Large specifies input context (256,000 tokens). Only Jamba 1.5 Large specifies output context (256,000 tokens).
Input capabilities
Documented input modalities across available providers
Qwen3.5-0.8B supports multimodal inputs, whereas Jamba 1.5 Large does not.
Qwen3.5-0.8B can handle both text and other forms of data like images, making it suitable for multimodal applications.
Jamba 1.5 Large
Qwen3.5-0.8B
License
Usage and distribution terms
Jamba 1.5 Large is licensed under Jamba Open Model License, while Qwen3.5-0.8B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Jamba Open Model License
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Jamba 1.5 Large was released on 2024-08-22, while Qwen3.5-0.8B was released on 2026-03-02.
Qwen3.5-0.8B is 19 months newer than Jamba 1.5 Large.
Aug 22, 2024
2.0 years ago
Mar 2, 2026
6 months ago
1.5yr newerKnowledge Cutoff
When training data ends
Jamba 1.5 Large has a documented knowledge cutoff of 2024-03-05, while Qwen3.5-0.8B's cutoff date is not specified.
We can confirm Jamba 1.5 Large's training data extends to 2024-03-05, but cannot make a direct comparison without Qwen3.5-0.8B's cutoff date.
Mar 2024
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Outputs Comparison
Judge for yourself.
Run your own prompts against Jamba 1.5 Large and Qwen3.5-0.8B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Jamba 1.5 Large vs Qwen3.5-0.8B.