DeepSeek V4-Pro vs DeepSeek V4-Flash — DeepSeek’s flagship versus its budget Flash model. Below is the full side-by-side: specifications, API pricing, context window, local hardware requirements, and a clear, data-driven recommendation on which to pick.
| Spécifications | DeepSeek V4-Pro | DeepSeek V4-Flash |
|---|---|---|
| Développeur | DeepSeek | DeepSeek |
| Type | LLM (mélange d’experts) | LLM (mélange d’experts) |
| Paramètres | 1,6 trillion au total / ~49 milliards actifs (MoE) | 284 milliards au total / ~13 milliards actifs (MoE) |
| Fenêtre de contexte | 1 million | 1 million |
| Modalité | Texte → Texte | Texte → Texte |
| Licence | MIT (ouverte) | MIT (ouverte) |
| Poids ouverts | ✅ Oui | ✅ Oui |
| Input price ($/1M) | $0.435 | $0.14 |
| Output price ($/1M) | $0.87 | $0.28 |
| VRAM (4 bits) | ~800 Go | ~140 Go |
| Min GPU (local) | Serveur multi-GPU (par ex. 8 × H100 80 Go) | 2 × H100 80 Go (quantification 4 bits) |
| Date de sortie | 2026-04 | 2026-04 |
Key differences
- Coût : DeepSeek V4-Flash is 211% cheaper than DeepSeek V4-Pro on a blended-token basis.
- Ouverture : both are open-weight, so either can be self-hosted or fine-tuned. Compare their VRAM needs above to see what your GPU can run.
- Run DeepSeek V4-Pro locally: ~~800 GB at 4-bit (min Multi-GPU server (e.g. 8× H100 80GB)).
- Run DeepSeek V4-Flash locally: ~~140 GB at 4-bit (min 2× H100 80GB (4-bit)).
Lequel choisir ?
Choose DeepSeek V4-Pro if it fits your existing stack or you prefer DeepSeek.
Choose DeepSeek V4-Flash if you want the lower per-token cost for high-volume workloads.
→ Estimate real costs in the API cost calculator · check local hardware in the calculateur de VRAM · browse all 30+ models.
All specs and prices are pulled live from our base de données de modèles IA and kept current. Compare either model against others, or estimate your own monthly spend with the free calculators above.