Nano Banana vs Ideogram: picking by constraint, not by price

Both run through the same endpoint and bill in the same unit, so this comparison is exact rather than approximate.

Model	Credits per image	Duration	Resolution	Aspect ratios
Nano Banana	4	up to 4 per call	480p, 720p, 1080p	5
Ideogram	6	up to 4 per call	480p, 720p, 1080p	5

Which to pick

• Lowest cost per image → Nano Banana, at 4 credits against 6. That is 1.50× — but read the rows above before treating it as the deciding factor.

What this page does not compare

Output quality. Nothing here measures which model looks better, and that is usually the decision that matters most. Treat the table as the constraint filter, then judge quality with your own prompts.

The full spec sheet and sample output for each sits on the model pages: Nano Banana · Ideogram.

Switching between them is a string

- "model": "nano-banana"
+ "model": "ideogram-v3"

Same endpoint, same auth, same job semantics. Watch the constraints though — a parameter that works on one can fail validation on the other, returning 400 INVALID_PARAM.

Work out the cost at your own volume with the AI API cost comparison tool.

Models covered on this page

• Nano Banana
• Ideogram v3