He does contemplate and estimate his chances to [..] transcend to superhuman intelligence [but] his source code is too complex and unmanageable
Indeed, our protagonist does not have any unusual capabilities.
such capabilities are not superhuman anymore [..] There seem to be many cyborgs out there with access to all of the modules that allow him to function. He is a conglomerate of previous discoveries that have long been brought to perfection, safeguarded and adopted by most of humanity. His modules are not even as effective as those being employed by some military organisations.
Our protagonist is not a superhuman AI.
Indeed, our protagonist does not have any unusual capabilities.