The Talos Collective was the hive mind connecting all the Talos, robots built by Hephaestus.
It was also a sector of the Olympian Galaxy under the control of the Talos, following the directives of Galatea, the robotic mistress of Hephaestus.

They were part of the Alliance before declaring independence.
Viper gained control over the entire Talos Collective after destroying Galatea; most of them were destroyed after an assault on Tiamat and others were repurposed by Viper.

It is unknown if any Talos remain active.