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Llama 3.1 8B vs DeepSeek R1

Meta
Llama 3.1 8B

Meta · 8.03B params · Quality: 65

DeepSeek
DeepSeek R1

DeepSeek · 671B params · Quality: 92

Architecture Comparison

SpecLlama 3.1 8BDeepSeek R1
TypeDENSEMOE
Total Parameters8.03B671B
Active Parameters8.03B37B
Layers3261
Hidden Dimension4,0967,168
Attention Heads32128
KV Heads81
Context Length131,072131,072
Precision (default)BF16BF16
Total ExpertsN/A256
Active ExpertsN/A8

Memory Requirements

PrecisionLlama 3.1 8BDeepSeek R1
BF16 Weights16.1 GB1342.0 GB
FP8 Weights8.0 GB671.0 GB
INT4 Weights4.0 GB335.5 GB
KV-Cache / Token131072 B31232 B
Activation Estimate1.00 GB3.00 GB

Minimum GPUs Needed (BF16)

H100 SXM1 GPUN/A
L40S1 GPUN/A

Quality Benchmarks

BenchmarkLlama 3.1 8BDeepSeek R1
Overall6592
MMLU69.490.8
HumanEval40.271.7
GSM8K79.697.3
MT-Bench78.089.0

Llama 3.1 8B

MMLU
69.4
HumanEval
40.2
GSM8K
79.6
MT-Bench
78.0

DeepSeek R1

MMLU
90.8
HumanEval
71.7
GSM8K
97.3
MT-Bench
89.0

Capabilities

FeatureLlama 3.1 8BDeepSeek R1
Tool Use✓ Yes✓ Yes
Vision✗ No✗ No
Code✓ Yes✓ Yes
Math✓ Yes✓ Yes
Reasoning✗ No✓ Yes
Multilingual✓ Yes✓ Yes
Structured Output✓ Yes✓ Yes

API Pricing Comparison

Cheapest Output (Llama 3.1 8B)

$0.08/M

Input: $0.05/M

Cheapest Output (DeepSeek R1)

$2.19/M

Input: $0.55/M

ProviderLlama 3.1 8B In $/MOut $/MDeepSeek R1 In $/MOut $/M
groq$0.05$0.08
together$0.18$0.18$3.00$7.00
fireworks$0.20$0.20
deepseek$0.55$2.19

Recommendation Summary

  • DeepSeek R1 scores higher on overall quality (92 vs 65).
  • Llama 3.1 8B is cheaper per output token ($0.08/M vs $2.19/M).
  • Llama 3.1 8B has a smaller memory footprint (16.1 GB vs 1342.0 GB BF16), making it easier to deploy on fewer GPUs.
  • Llama 3.1 8B uses DENSE architecture while DeepSeek R1 uses MOE. MoE models activate fewer parameters per token, improving inference efficiency.
  • DeepSeek R1 is stronger at code generation (HumanEval: 71.7 vs 40.2).
  • DeepSeek R1 is better at math reasoning (GSM8K: 97.3 vs 79.6).

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