LLM
Legacy
Open source
DeepSeek V3.1
Open model with a hybrid thinking mode
Release2025-08
Context164K
Max output—
Parameters685B
Local / VRAM640–800 GB
LicenseOpen source
Overview
DeepSeek V3.1 is a model in the LLM category from DeepSeek. It was released in 2025-08. The vendor is based in China. Best for: Open model with a hybrid thinking mode.
Strengths
- MIT
- Hybrid reasoning
- Cheap
Limits
- Superseded by V4
Specifications
| Vendor | DeepSeek |
|---|---|
| Category | LLM |
| Release | 2025-08 |
| Status | Legacy |
| License | Open source |
| License name | MIT |
| Commercial use | Allowed |
| Parameters | 685B |
| Active parameters | 37B |
| Architecture | MoE transformer |
| Context window | 164K |
| Input modalities | Text |
| Output modalities | Text |
| Prompt types | Text |
| Negative prompts | No |
| Max outputs | 1 |
| Local deployment | Yes |
| VRAM | 640–800 GB |
| System RAM | 768–1536 GB |
| API access | Yes |
| Pricing | Free weights |
| Confidence | High |
| Vendor country | China |
| Vendor type | Open lab |
Pricing & hardware
Free weights
This model can be self-hosted or run locally. Approximate GPU memory: 640–800 GB. Approximate system RAM: 768–1536 GB. API access is available.