Shared ground
These lines are part of a victory song after Israel’s escape and the defeat of their pursuers (Exodus 15:1). The speaker addresses Yahweh directly and uses a rhetorical question to make a strong claim: no rival compares to him “among the gods” (explicit in the wording).
The text supports that claim by stacking descriptions: Yahweh is “glorious in holiness,” he is awe-inspiring in the setting of praise, and he is the one who “does wonders” (explicit). Then it compresses the defeat into one vivid picture: Yahweh “stretched out” his right hand, and the enemy was “swallowed” (explicit), highlighting effortless, decisive control.
Where interpretation differs (only where needed)
What “among the gods” means. Some read the phrase as a direct challenge to real supernatural beings who are treated as lesser than Yahweh. Others read it as a challenge to the claimed gods of the nations (for example, Egypt’s deities), meaning the comparison is against supposed powers that do not truly match Yahweh.
How literal the closing image is. Some take “the earth swallowed them” as a fairly straightforward description of what happened to the enemy forces (for example, perishing in the sea and being covered over). Others take it as poetic compression: the song condenses the defeat into a single, earth-swallowing image to emphasize total removal rather than to specify the exact mechanics.
Why the disagreement exists
The wording is poetic and uses common ancient royal/warrior imagery (“right hand”). Also, Israel’s world assumed many divine claims. Because the song is not written as a technical explanation, readers differ on whether it is speaking about actual rival beings, about human religious claims, or both, and on whether the “swallowed” line is meant as a literal report or a strong metaphor for complete defeat.
What this passage clearly contributes
The passage clearly presents Yahweh as incomparable and uniquely set apart (“holiness”) and as the active doer of extraordinary deeds (“wonders”). It also portrays the defeat of Israel’s enemies as the result of Yahweh’s decisive action rather than Israel’s strength. Even where details are debated, the poem’s point is plain: Yahweh’s power and reputation stand above all competing claims to divine power, and his victory can be described as both total and effortless.