Isaiah 43:10 also says 'You are My witnesses' and 'I am He,' forming a direct internal parallel within the same oracle.

In Isaiah 37:35, God promises to defend Jerusalem for his own sake, fitting the pattern of divine salvation declared in 43:12.

In Isaiah 37:36, the angel strikes the Assyrian army, fulfilling God's saving intervention that 43:12 recalls.

Isaiah 44:8 repeats 'You are My witnesses' and asks 'Is there any God besides Me?' — directly reinforcing the witness theme.

Isaiah 46:9 declares 'I am God, and there is no other,' strongly echoing the exclusive identity claim here.

In Isaiah 46:10, God declares the end from the beginning, reinforcing the theme of sovereign foretelling and fulfillment in 43:12.

In Isaiah 48:4-7, God emphasizes he declared things beforehand, directly paralleling the 'declared and saved' claim of 43:12.

Isaiah 37:20 prays that all may know God alone is God, echoing the exclusive claim made here.

Isaiah 44:7 challenges false gods to declare the future, mirroring the 'I have declared' statement of God's sovereignty here.

Psalm 81:10 echoes the declaration 'I am the LORD your God,' paralleling the 'I am God' claim here, linking deliverance from Egypt.