Llama 3.1 8B Instruct vs Qwen3.8 Flash
Qwen3.8 Flash leads the LLM Stats Score 49.6 to -2.4. Llama 3.1 8B Instruct is 7.7x cheaper per token.
Meta · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Qwen3.8 Flash leads the overall LLM Stats Score 49.6 to -2.4, ranking #16 overall.
In the 1 individual benchmarks reported for both models, Qwen3.8 Flash wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Llama 3.1 8B Instruct is roughly 7.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Qwen3.8 Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Llama 3.1 8B Instruct
- cost matters — it's about 7.7x cheaper per token
- you need open weights you can self-host or fine-tune
Choose Qwen3.8 Flash
- overall performance matters — it scores 49.6 and ranks #16 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
18 reported for Llama 3.1 8B Instruct · 22 for Qwen3.8 Flash
Llama 3.1 8B Instruct outperforms in 0 benchmarks, while Qwen3.8 Flash is better at 1 benchmark (GPQA).
Qwen3.8 Flash significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Llama 3.1 8B Instruct ($0.03/1M tokens) is 5.0x cheaper than Qwen3.8 Flash ($0.15/1M tokens).
For output processing, Llama 3.1 8B Instruct ($0.03/1M tokens) is 15.7x cheaper than Qwen3.8 Flash ($0.47/1M tokens).
In conclusion, Qwen3.8 Flash is more expensive than Llama 3.1 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Qwen3.8 Flash has 117.0B more parameters than Llama 3.1 8B Instruct, making it 1462.5% larger.
Context Window
Maximum input and output token capacity
Qwen3.8 Flash accepts 1,000,000 input tokens compared to Llama 3.1 8B Instruct's 131,072 tokens. Both models can generate responses up to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
Qwen3.8 Flash supports multimodal inputs, whereas Llama 3.1 8B Instruct does not.
Qwen3.8 Flash 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
License
Usage and distribution terms
Llama 3.1 8B Instruct is licensed under Llama 3.1 Community License, while Qwen3.8 Flash uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 3.1 Community License
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Llama 3.1 8B Instruct was released on 2024-07-23, while Qwen3.8 Flash was released on 2026-08-26.
Qwen3.8 Flash is 25 months newer than Llama 3.1 8B Instruct.
Jul 23, 2024
2.1 years ago
Aug 26, 2026
5 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'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's cutoff date.
Dec 2023
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Provider Availability
Llama 3.1 8B Instruct is available from Lambda, DeepInfra, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock. Qwen3.8 Flash is available from Novita.
Llama 3.1 8B Instruct
Qwen3.8 Flash
Outputs Comparison
Judge for yourself.
Run your own prompts against Llama 3.1 8B Instruct and Qwen3.8 Flash side-by-side, then vote on the output you prefer.
FAQ
Common questions about Llama 3.1 8B Instruct vs Qwen3.8 Flash.