FLUX 3 Image vs GPT Image 1.5
GPT Image 1.5 is the cheaper option at 13 Tools credits per 1K image at standard quality (about €0,06–€0,07), 19% less than FLUX 3 Image at 16 credits (€0,07–€0,09). FLUX 3 Image goes up to 4K, GPT Image 1.5 tops out at 1K. Below: the full side-by-side, when to pick which, and both live price tables.
Side by side
| FLUX 3 Image | GPT Image 1.5 | |
|---|---|---|
| Brand | Black Forest Labs | OpenAI |
| Type | Image model | Image model |
| Price per image | 16 credits · €0,07–€0,09 image at 1K | 13 credits · €0,06–€0,07 1K image at standard quality |
| 10 images | 160 credits · €0,69–€0,89 | 130 credits · €0,56–€0,72 |
| 100 images | 1,600 credits · €6,90–€8,87 | 1,300 credits · €5,60–€7,21 |
| Max resolution | 4K | 1K |
| Best for | General image generation up to 4K | Prompt-faithful images and quick edits |
| Model page | FLUX 3 Image | GPT Image 1.5 |
Which should you choose?
Choose FLUX 3 Image if
- you need 4K output
- your typical job is general image generation up to 4K
Choose GPT Image 1.5 if
- price per image is the deciding factor (13 vs 16 credits)
- your typical job is prompt-faithful images and quick edits
Still unsure? Run one identical prompt through both. In Vyndexo that is two generations from the same screen and the same credit balance.
FLUX 3 Image price table
| Model | Small 768 px | 1K 1024 px | 1.5K 1536 px | 2K 2048 px | 3K 3072 px | 4K 4096 px |
|---|---|---|---|---|---|---|
| FLUX 3 Image | 13 | 16 | — | 32 | — | 193 |
GPT Image 1.5 price table
| Model | Size | Low | Standard | High | Extra High | Max |
|---|---|---|---|---|---|---|
| GPT Image 1.5 | 1K 1024 × 1024 | 4 | 13 | 44 | — | — |
Use either without a subscription
Both models are pay per use in Vyndexo: credit packs run from €4.99 for 900 credits to €999.99 for 230,000 credits, the € ranges on this page use the most and least expensive pack. See pricing, or the model pages for FLUX 3 Image and GPT Image 1.5.
Frequently asked questions
- Which is cheaper, FLUX 3 Image or GPT Image 1.5?
- GPT Image 1. Prices are the live Vyndexo table and depend only on which credit pack you buy.
- Which gives better quality, FLUX 3 Image or GPT Image 1.5?
- FLUX 3 Image offers the higher maximum resolution (4K). Quality also depends on the job: FLUX 3 Image is best for general image generation up to 4K, GPT Image 1.5 for prompt-faithful images and quick edits. The fastest way to decide is to run the same prompt through both, which Vyndexo lets you do from one account.
- Can I use both FLUX 3 Image and GPT Image 1.5 in Vyndexo?
- Yes. Both run inside the same Vyndexo workspace with one credit balance, so you can switch per generation. You do not need a Black Forest Labs or OpenAI account or subscription.
- Do credits expire if I only use FLUX 3 Image occasionally?
- No. Tools credits never expire, there is no monthly fee, and failed generations are not charged.