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# Ideogram V4.5 vs GPT Image 2.5 — Text in Images | Clip Studio

> Ideogram V4.5 vs GPT Image 2.5 for posters, logos, and on-image text. 2K-band stills at 10 aspect ratios vs 4 ad sizes; both edit from a source still. Compare specs and try both online.

Canonical page: https://clipstudio.ai/ai-image-models/ideogram-v4-5-vs-gpt-image-2-5

## Intent

Ideogram V4.5 is the Image Lab model listed for posters, logos, and stills with readable text, at a 2K-band size across ten aspect ratios. ChatGPT Image 2.5 is listed for product shots and edits at the four ad sizes.

## Spec table

| Spec | Ideogram V4.5 | ChatGPT Image 2.5 |
| --- | --- | --- |
| Provider | Ideogram | OpenAI |
| Modes | Text to image · Image to image | Text to image · Image to image |
| Edit from a still | Yes, one source still | Yes, one source still |
| Aspect ratios | 10: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16 | 4: 9:16, 1:1, 4:5, 16:9 |
| Size in Image Lab | 2048 × 2048 at 1:1 | 1024 × 1024 at 1:1 |
| Output | Raster still | Raster still |
| Prompt length | Up to 8 KB | Up to 8 KB |
| Large source stills | No extra scaling | No extra scaling |
| Best for | Posters, logos, and stills with readable text. | Product shots and image-to-image edits. |

## Which to pick

- Pick Ideogram V4.5 for posters, logos, and design stills where the words on the image have to read correctly.
- Pick ChatGPT Image 2.5 for product shots and edits at the ad sizes, when on-image text is not the main job.

Ideogram V4.5 is the Image Lab model built around on-image typography: posters, logos, and design stills with readable text, mapped to a 2K-band size (2048 × 2048 at 1:1) across ten aspect ratios. ChatGPT Image 2.5 is OpenAI’s default model, listed for product shots and edits at the four ad sizes. Both edit from one source still. When the words are the point, start with Ideogram V4.5. Clip Studio does not publish a text-accuracy benchmark, so check the spelling on every result. For an editable SVG logo, use Ideogram Vector instead.

## FAQs

### Which is better for text in images, Ideogram V4.5 or GPT Image 2.5?

Ideogram V4.5 is the Image Lab model listed for posters, logos, and stills with readable text. Clip Studio does not publish a text-accuracy benchmark, so check spelling on every result from either model.

### What sizes does each model make?

Ideogram V4.5 maps ten aspect ratios to a 2K-band size, for example 2048 × 2048 at 1:1. ChatGPT Image 2.5 makes the four ad sizes: 16:9, 1:1, 4:5, and 9:16.

### Can I get a vector logo instead?

Yes. Ideogram Vector in Image Lab saves an editable SVG instead of a raster still.

### How are they priced?

Both are included in every Clip Studio plan and use the same monthly generation allowance, and each setup is quoted in Image Lab before you generate. Plan details live on the pricing page.

### Are Ideogram V4.5 and ChatGPT Image 2.5 free?

No. Both run in Image Lab, which is included in every Clip Studio plan, and every plan opens every Image Lab model. Eligible new accounts get one free Topic Short, which is a separate studio.


## Related

- [Ideogram V4.5](https://clipstudio.ai/ai-image-models/ideogram-v4-5.md)
- [ChatGPT Image 2.5](https://clipstudio.ai/ai-image-models/gpt-image-2-5.md)
- [Image Lab](https://clipstudio.ai/image-lab.md)
- [All image models](https://clipstudio.ai/ai-image-models.md)
- [ChatGPT Image 2.5 vs ChatGPT Image 2.5 Sunburst](https://clipstudio.ai/ai-image-models/gpt-image-2-5-vs-gpt-image-2-5-sunburst.md)
- [Nano Banana 2.1 vs ChatGPT Image 2.5](https://clipstudio.ai/ai-image-models/nano-banana-2-1-vs-gpt-image-2-5.md)
- [ChatGPT Image 2.5 vs Seedream 5 Pro](https://clipstudio.ai/ai-image-models/gpt-image-2-5-vs-seedream-5-pro.md)
- [Krea 3 vs FLUX 3 Image](https://clipstudio.ai/ai-image-models/krea-3-vs-flux-3-image.md)