GPT Image 2.5 Sunburst vs FLUX 3 Image: price and capabilities
GPT Image 2.5 Sunburst (openai/gpt-image-2.5-sunburst) from OpenAI and FLUX 3 Image (black-forest-labs/flux-3-image) from Black Forest Labs are both image generation models on the OceanToken API. GPT Image 2.5 Sunburst is priced at $4.50 / 1M tokens and FLUX 3 Image at $0.607 / image; they are billed in different units, so which costs less depends on the work. GPT Image 2.5 Sunburst is 10% off its official price on OceanToken, for every account. Both take text prompts and reference images.
Side by side
| Spec | GPT Image 2.5 Sunburst −10% | FLUX 3 Image |
|---|---|---|
| Model | GPT Image 2.5 Sunburstopenai/ | FLUX 3 Imageblack- |
| Publisher | OpenAI | Black Forest Labs |
| Kind | Image generation | Image generation |
| Input price | $4.50 / 1M tokens | – |
| Image output price | $27.00 / 1M image tokens | – |
| Cached input price | $1.25 / 1M tokens | – |
| Image price | – | $0.607 / image |
| Discount (vs official, top tier) | −10% | — |
| Inputs | text and images | text and images |
| Outputs | image | image |
About these prices
Which should you choose?
- Both take the same inputs: text prompts and reference images.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts and references; each request is billed per use from one prepaid balance.
Get API Key GPT Image 2.5 Sunburst FLUX 3 Image
Frequently asked questions
Which is cheaper, GPT Image 2.5 Sunburst or FLUX 3 Image?
It depends on the work. GPT Image 2.5 Sunburst is priced at $4.50 / 1M tokens and FLUX 3 Image at $0.607 / image; they are billed in different units, so which costs less depends on the work. GPT Image 2.5 Sunburst is 10% off its official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which takes more kinds of input, GPT Image 2.5 Sunburst or FLUX 3 Image?
Neither: both take text and images.
Can I call both GPT Image 2.5 Sunburst and FLUX 3 Image with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id openai/gpt-image-2.5-sunburst or black-forest-labs/flux-3-image.
Models and publishers
GPT Image 2.5 Sunburst · FLUX 3 Image · All OpenAI models · All Black Forest Labs models
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