Jamba 1.5 Mini vs Qwen3.8-27B
Qwen3.8-27B significantly outperforms across most benchmarks.
AI21 Labs · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Jamba 1.5 Mini outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA). Qwen3.8-27B significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Jamba 1.5 Mini
- you want predictable pricing at $0.20/M input and $0.40/M output
Choose Qwen3.8-27B
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Jamba 1.5 Mini outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA).
Qwen3.8-27B significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Jamba 1.5 Mini has 24.2B more parameters than Qwen3.8-27B, making it 87.2% larger.
Context Window
Maximum input and output token capacity
Only Jamba 1.5 Mini specifies input context (256,144 tokens). Only Jamba 1.5 Mini specifies output context (256,144 tokens).
Input Capabilities
Supported data types and modalities
Qwen3.8-27B supports multimodal inputs, whereas Jamba 1.5 Mini does not.
Qwen3.8-27B can handle both text and other forms of data like images, making it suitable for multimodal applications.
Jamba 1.5 Mini
Qwen3.8-27B
License
Usage and distribution terms
Jamba 1.5 Mini is licensed under Jamba Open Model License, while Qwen3.8-27B 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 Mini was released on 2024-08-22, while Qwen3.8-27B was released on 2026-08-14.
Qwen3.8-27B is 24 months newer than Jamba 1.5 Mini.
Aug 22, 2024
2.0 years ago
Aug 14, 2026
1 weeks ago
2.0yr newerKnowledge Cutoff
When training data ends
Jamba 1.5 Mini has a documented knowledge cutoff of 2024-03-05, while Qwen3.8-27B's cutoff date is not specified.
We can confirm Jamba 1.5 Mini's training data extends to 2024-03-05, but cannot make a direct comparison without Qwen3.8-27B's cutoff date.
Mar 2024
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Outputs Comparison
Judge for yourself.
Run your own prompts against Jamba 1.5 Mini and Qwen3.8-27B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Jamba 1.5 Mini vs Qwen3.8-27B.