Net income for the three months to September was $92m, compared with a loss of $24.5bn in the same quarter last year - when it was bailed out.
However, AIG's shares fell 6.6% after chief Robert Benmosche warned the firm's run of profits may not continue.
"Expect continued volatility in reported results in the coming quarters," Mr Benmosche said.
This would be because of restructuring charges, AIG said.
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