Model Comparison
DeepSeek-V3 vs Llama 3.1 8B InstructWhich is better in 2026?
DeepSeek-V3 significantly outperforms across most benchmarks. Llama 3.1 8B Instruct is 15.9x cheaper per token.
Verdict: DeepSeek-V3 vs Llama 3.1 8B Instruct — which is better?
DeepSeek-V3 (by DeepSeek) and Llama 3.1 8B Instruct (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
DeepSeek-V3 outperforms in 5 benchmarks (DROP, GPQA, IFEval, MMLU, MMLU-Pro), while Llama 3.1 8B Instruct is better at 0 benchmarks. DeepSeek-V3 significantly outperforms across most benchmarks.
On price, Llama 3.1 8B Instruct is roughly 15.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Choose DeepSeek-V3 if…
- you want the strongest raw capability — it leads on 5 of 5 shared benchmarks
- you want the most recent training data — it shipped Dec 2024
Choose Llama 3.1 8B Instruct if…
- cost matters — it's about 15.9x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V3 outperforms in 5 benchmarks (DROP, GPQA, IFEval, MMLU, MMLU-Pro), while Llama 3.1 8B Instruct is better at 0 benchmarks.
DeepSeek-V3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V3 ($0.27/1M tokens) is 9.0x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
For output processing, DeepSeek-V3 ($1.10/1M tokens) is 36.7x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).
In conclusion, DeepSeek-V3 is more expensive than Llama 3.1 8B Instruct.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
DeepSeek-V3 has 663.0B more parameters than Llama 3.1 8B Instruct, making it 8287.5% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 131,072 tokens. Both models can generate responses up to 131,072 tokens.
License
Usage and distribution terms
DeepSeek-V3 is licensed under MIT + Model License (Commercial use allowed), while Llama 3.1 8B Instruct uses Llama 3.1 Community License.
License differences may affect how you can use these models in commercial or open-source projects.
MIT + Model License (Commercial use allowed)
Open weights
Llama 3.1 Community License
Open weights
Release Timeline
When each model was launched
DeepSeek-V3 was released on 2024-12-25, while Llama 3.1 8B Instruct was released on 2024-07-23.
DeepSeek-V3 is 5 months newer than Llama 3.1 8B Instruct.
Dec 25, 2024
1.5 years ago
5mo newerJul 23, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while DeepSeek-V3'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 DeepSeek-V3's cutoff date.
—
Dec 2023
Provider Availability
DeepSeek-V3 is available from DeepSeek. Llama 3.1 8B Instruct is available from Lambda, DeepInfra, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock.
DeepSeek-V3
Llama 3.1 8B Instruct
Outputs Comparison
Key Takeaways
DeepSeek-V3
View detailsDeepSeek
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against DeepSeek-V3 and Llama 3.1 8B Instruct side-by-side, then vote on the output you prefer.
| Feature |
|---|
FAQ
Common questions about DeepSeek-V3 vs Llama 3.1 8B Instruct.