FLUX.2 Flex vs GPT Image 2.0
FLUX.2 Flex is the cheaper option at 16 Tools credits per image at 1K (about €0,07–€0,09), 16% less than GPT Image 2.0 at 19 credits (€0,08–€0,11). GPT Image 2.0 goes up to 4K, FLUX.2 Flex tops out at 2K. Below: the full side-by-side, when to pick which, and both live price tables.
Side by side
| FLUX.2 Flex | GPT Image 2.0 | |
|---|---|---|
| Brand | Black Forest Labs | OpenAI |
| Type | Image model | Image model |
| Price per image | 16 credits · €0,07–€0,09 image at 1K | 19 credits · €0,08–€0,11 1K image at standard quality |
| 10 images | 160 credits · €0,69–€0,89 | 190 credits · €0,82–€1,05 |
| 100 images | 1,600 credits · €6,90–€8,87 | 1,900 credits · €8,19–€10,53 |
| Max resolution | 2K | 4K |
| Best for | General image generation | Prompt-faithful images and quick edits |
| Model page | FLUX.2 Flex | GPT Image 2.0 |
Which should you choose?
Choose FLUX.2 Flex if
- price per image is the deciding factor (16 vs 19 credits)
- your typical job is general image generation
Choose GPT Image 2.0 if
- you need 4K output
- 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.2 Flex price table
| Model | Small 768 px | 1K 1024 px | 1.5K 1536 px | 2K 2048 px | 3K 3072 px | 4K 4096 px |
|---|---|---|---|---|---|---|
| FLUX.2 Flex | — | 16 | — | 64 | — | — |
GPT Image 2.0 price table
| Model | Size | Low | Standard | High | Extra High | Max |
|---|---|---|---|---|---|---|
| GPT Image 2.0 | 1K 1024 × 1024 | 4 | 19 | 72 | — | — |
| GPT Image 2.0 | 2K 2048 × 2048 | 5 | 23 | 86 | — | — |
| GPT Image 2.0 | 4K 3840 × 2160 | 9 | 38 | 138 | — | — |
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.2 Flex and GPT Image 2.0.
Frequently asked questions
- Which is cheaper, FLUX.2 Flex or GPT Image 2.0?
- FLUX. Prices are the live Vyndexo table and depend only on which credit pack you buy.
- Which gives better quality, FLUX.2 Flex or GPT Image 2.0?
- GPT Image 2.0 offers the higher maximum resolution (4K). Quality also depends on the job: FLUX.2 Flex is best for general image generation, GPT Image 2.0 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.2 Flex and GPT Image 2.0 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.2 Flex occasionally?
- No. Tools credits never expire, there is no monthly fee, and failed generations are not charged.