Parameters
1.5B
Context Length
131K
Modality
Text
Architecture
Dense
License
MIT
Release Date
27 Dec 2024
Knowledge Cutoff
-
API Pricing (per 1M)
Self-hosted only
VRAM requirements for different quantization methods and context sizes
1,024 tokens
Consumer
1x RTX 4090
24GB VRAM
Datacenter
1x NVIDIA A100
80GB VRAM
Apple Silicon
1x Apple M3 Max
128GB VRAM
131,072 tokens
Consumer
4x RTX 4090
24GB VRAM
Datacenter
1x NVIDIA A100
80GB VRAM
Apple Silicon
1x Apple M3 Max
128GB VRAM
Rank
#205
| Benchmark | Score | Rank |
|---|---|---|
Graduate-Level QA | 0.338 | 118 |
Intelligence Index | 0.06 | 282 |
Overall Rank
#205
Coding Rank
-
DeepSeek-R1 1.5B is an ultra-compact dense reasoning model distilled from DeepSeek-R1 onto the Qwen2.5-Math base. It provides efficient step-by-step mathematical deduction and code reasoning for local and edge deployments.
Attention
Attention Structure
Multi-Layer Attention
Attention Heads
32
Key-Value Heads
32
Attention Head Dimension
128
Position Embedding
ROPE
RoPE Theta
10,000
Sliding Window Attention
No
Sliding Window Size
-
Sliding Window Ratio
-
Linear Attention
-
Linear Attention Ratio
-
Normalization
RMS Normalization
Activation Function
SwigLU
Dimensions
Auxiliary Parameters
-
Hidden Dimension Size
2,048
Number of Layers
28
FFN Intermediate Size (Dense)
8,960
Multi-Token Prediction Heads
-
Tokenizer
Vocabulary Size
151,936
DeepSeek-R1 is a model family developed for logical reasoning tasks. It incorporates a Mixture-of-Experts architecture for computational efficiency and scalability. The family utilizes Multi-Head Latent Attention and employs reinforcement learning in its training, with some variants integrating cold-start data.
Assistant
Online