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DeepSeek-R1 1.5B

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

System Requirements

VRAM requirements for different quantization methods and context sizes

1,024 tokens

5.14 GB VRAM

Consumer

1x RTX 4090

24GB VRAM

Datacenter

1x NVIDIA A100

80GB VRAM

Apple Silicon

1x Apple M3 Max

128GB VRAM

131,072 tokens

67.79 GB VRAM

Consumer

4x RTX 4090

24GB VRAM

Datacenter

1x NVIDIA A100

80GB VRAM

Apple Silicon

1x Apple M3 Max

128GB VRAM

Architecture Diagram

Input TokensToken EmbeddingPosition: RoPEHidden: 2k · Context: 131K · Vocab: 151.9kx 28 layersRMSNormPre-AttentionMulti-Layer Attention32Q / 32KV headsHead dim: 128+RMSNormPre-FFNFeed-Forward NetworkSwiGLUIntermediate: 9k+Final RMSNormOutput Logits

Evaluation Benchmarks

Rank

#205

BenchmarkScoreRank

Graduate-Level QA

GPQA

0.338

118

Intelligence Index

Artificial Analysis

0.06

282

Rankings

Overall Rank

#205

Coding Rank

-

About DeepSeek-R1 1.5B

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.

Technical Specifications

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

About DeepSeek-R1

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.


Other DeepSeek-R1 Models
DeepSeek-R1 1.5B: Specifications and GPU VRAM Requirements