Comparison · Updated Oct 28, 2026
DeepSeek-V3 vs Llama 3.3 70B
Both are open-weight 128K models. DeepSeek-V3 is a much larger mixture-of-experts model; Llama 3.3 70B is a dense model that is far easier to self-host.
At a glance
| Spec | DeepSeek V3 | Llama 3.3 70B |
|---|---|---|
| Released | Dec 26, 2024 | Dec 6, 2024 |
| Context window | 128K tokens | 128K tokens |
| Licence | Open weights | Open weights |
| Inputs | text | text |
| Public API | Yes | Yes |
Model A
DeepSeek V3
671B MoE open-weight base model.
Dec 26, 2024
Model B
Llama 3.3 70B
Open-weight 70B text model from Meta that Meta says approaches Llama 3.1 405B quality at a fraction of the serving cost.
Dec 6, 2024
Differences
| Attribute | DeepSeek V3 | Llama 3.3 70B |
|---|---|---|
| Architecture | Mixture-of-experts (671B total, 37B active) | Dense 70B |
| Context window | 128K | 128K |
| Open weights | Yes | Yes |
| Released | Dec 2024 | Dec 2024 |