Did Annie Kill Gunther?

Let justice be done, though the heavens fall. It was Annie who killed Gunther. The reason Auruo said that is because Levi's squad didn't know what went down when Annie was captured.

Who killed Gunther SNK?

They notice another signal flare and thinking it is shot by Levi, they fire their own one. However, Gunther realizes too late that it is not Levi to prevent the mysterious attacker from slicing his neck, killing him instantly.

Does Gunther Die in Attack on Titan?

They then brag to Eren, claiming that it is thanks to the power of the Scout Regiment that they managed to capture their foe. Gunther dies Seeing a flare that indicates the regiment is retreating, the squad begins making their way out of the forest.