Colonel Jack O'Neilll: Above 130. Great with tactics and leadership but not particularly booksmartTeal'c: Above 130. Very wise and insightful but held back by his blackness and Chulak's shitty education systemMajor Samantha Carter: Above 180. The greatest scientific mind in the US Air Force. Responsible for many revolutionary game-changer inventions such as time travel, naquadah reactors, etcDoctor Daniel Jackson: Above 250. The most talented archeologist on Earth who cheated death by ascending to Godhood and was already fluent in over 6,000,000 forms of communication before even reaching the age of 18. ImpressiveGeneral Hammond: Above 120. Was clever enough to solve the 1969 time paradox but not some unrivaled geniusJonas Quinn: Above 150. Langarans are naturally more intellectually gifted than Earthlings are and he is supposed to be highly intelligent even by the standards of his homeworldVala Mal Doran: Above 115. Not a genius by any metric, most of her success can be attributed to her being a cunning manipulative witch getting by in life on her good looks and sociopathic greedy natureColonel Cameron Mitchell: Approximately 100. I'm shocked they let this midwit lead SG1 when Jack was far more experienced and qualifiedAnubis: Above 200. Definitely the smartest System LordThor: Above 500. He was literally too smart defeat the Replicator race so needed Sam (an ape by comparison) to do his job for him because he kept overthinking it