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Open Sourceopen-weightsopen-weightscheapreasoning

DeepSeek V4.5

by DeepSeek · Open-weights frontier model at a fraction of closed-model pricing.

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RAI ScoreS+Titan
974/ 1000
↑ 20RAI7dMethodology
Composite of 8 signals · 2,481 contributors

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About

DeepSeek V4.5 narrows the gap to closed frontier models while shipping open weights, making it the default choice for self-hosted frontier reasoning.

Dimension Scores

intelligence96
creativity88
accuracy94
speed72
coding98
research92
value84
safety90

Pros

  • +Best-in-class coding accuracy
  • +Long, coherent reasoning chains
  • +Reliable tool use

Cons

  • Premium pricing
  • Conservative on edge content

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