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DeepSeek V3.1

DeepSeek

balanced

Capabilities

ToolsCodeStructured OutputMultilingual

Strengths

  • Extraordinary cost/performance
  • Strong coding
  • Open weights
  • MIT licensed

Weaknesses

  • No vision
  • 128K context
  • China-based data jurisdiction

Pricing

Input / 1M tokens

$0.15

Output / 1M tokens

$0.75

Context window

128k

Transparency

Open weights

10.0 / 10

Open training data

3.0 / 10

Open methodology

7.0 / 10

Licence openness

10.0 / 10

Provider disclosure

2.0 / 10

FMTI company score

300.0 / 10

Composite:6.4 / 10

MIT licence + open weights. DeepSeek FMTI 30.

Sustainability

Inference energy

6.5 / 10

Training footprint

N/A

Provider infrastructure

2.0 / 10

Composite:4.3 / 10

MoE architecture with 93.3% memory reduction. Only 37B active params of 671B total. China grid heavily coal-based, no provider sustainability reporting.

Task Fitness

Code
90%
Vision
0%
Analyse
82%
Extract
85%
Generate
78%
Summarise
82%
Translate
82%
Conversation
75%