Llama 3.1 8B Instruct vs Qwen3.8-Flash-Next
Qwen3.8-Flash-Next significantly outperforms across most benchmarks.
Meta · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Llama 3.1 8B Instruct outperforms in 0 benchmarks, while Qwen3.8-Flash-Next is better at 1 benchmark (GPQA). Qwen3.8-Flash-Next significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Llama 3.1 8B Instruct
- you want predictable pricing at $0.03/M input and $0.03/M output
Choose Qwen3.8-Flash-Next
- 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
Llama 3.1 8B Instruct outperforms in 0 benchmarks, while Qwen3.8-Flash-Next is better at 1 benchmark (GPQA).
Qwen3.8-Flash-Next significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Qwen3.8-Flash-Next has 172.0B more parameters than Llama 3.1 8B Instruct, making it 2150.0% larger.
Context Window
Maximum input and output token capacity
Only Llama 3.1 8B Instruct specifies input context (131,072 tokens). Only Llama 3.1 8B Instruct specifies output context (131,072 tokens).
Input Capabilities
Supported data types and modalities
Qwen3.8-Flash-Next supports multimodal inputs, whereas Llama 3.1 8B Instruct does not.
Qwen3.8-Flash-Next can handle both text and other forms of data like images, making it suitable for multimodal applications.
Llama 3.1 8B Instruct
Qwen3.8-Flash-Next
License
Usage and distribution terms
Llama 3.1 8B Instruct is licensed under Llama 3.1 Community License, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 3.1 Community License
Open weights
Qwen Community License 1.0
Open weights
Release Timeline
When each model was launched
Llama 3.1 8B Instruct was released on 2024-07-23, while Qwen3.8-Flash-Next was released on 2026-08-26.
Qwen3.8-Flash-Next is 25 months newer than Llama 3.1 8B Instruct.
Jul 23, 2024
2.1 years ago
Aug 26, 2026
0 days ago
2.1yr newerKnowledge Cutoff
When training data ends
Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while Qwen3.8-Flash-Next's cutoff date is not specified.
We can confirm Llama 3.1 8B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without Qwen3.8-Flash-Next's cutoff date.
Dec 2023
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Outputs Comparison
Judge for yourself.
Run your own prompts against Llama 3.1 8B Instruct and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.
FAQ
Common questions about Llama 3.1 8B Instruct vs Qwen3.8-Flash-Next.