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Llama 5 400B

by Meta · Meta's largest open-weights release to date.

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RAI ScoreS+Titan
940/ 1000
↑ 12RAI7dMethodology
Composite of 8 signals · 2,481 contributors

// Live community signal

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4.7
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About

Llama 5 400B is Meta's flagship open model, with a rebuilt mixture-of-experts stack and much stronger tool calling than Llama 4.

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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