Which should you pick?
Luma Photon Flash and Flux 2 Klein 9B Base start at the same 1 credits for a complete generation.
Flux 2 Klein 9B Base holds the stronger leaderboard position (#30 in edit image against #108 in text to image). Those are two different leaderboards unless the category matches — Versely ranks each capability separately.
Luma Photon Flash supports more aspect ratios (7: 1:1, 3:4, 4:3, 9:16, 16:9, 9:21, 21:9), giving it more format flexibility.
What a job costs
Luma Photon Flash
1 credit
It bills per megapixel of output.
- Price1 credit
Flux 2 Klein 9B Base
1 credit
It bills per megapixel of output.
- Price1 credit
All figures are Versely credits. Your plan's credit allowance is on the pricing page.
Spec comparison
| Spec | Luma Photon Flash | Flux 2 Klein 9B Base |
|---|---|---|
| Provider | Luma | Flux |
| Cost per job | 1 credit | 1 credit |
| Billing | per megapixel of output | per megapixel of output |
| Max resolution | 4K | — |
| Aspect ratios | 1:1, 3:4, 4:3, 9:16, 16:9, 9:21, 21:9 | 1:1, 4:3, 3:4, 16:9, 9:16 |
| Durations | — | — |
| Frame rates | — | — |
| Qualities | — | — |
| Requires starting image | No | No |
| Accepts video input | No | No |
| Reference images | Up to 1 | Up to 4 |
| Leaderboard | #108 in text to image | #30 in edit image |
| Released | Nov 25, 2024 | Jan 15, 2026 |
What each one does that the other doesn't
Only Luma Photon Flash
edit image, lightning fast, photorealistic, flash
Only Flux 2 Klein 9B Base
Nothing the other one doesn't also list.
Both list: text to image.
Leaderboard positions
Versely ranks each capability on its own leaderboard, so a position is only comparable between two models within the same row.
Luma Photon Flash
- Text to image#108
Flux 2 Klein 9B Base
- Edit image#30
- Text to image#68
Full Luma Photon Flash spec sheet →
Luma's Photon Flash — the speed tier of the Photon image family. Near-instant photorealistic stills at the lowest credit tier in the catalog, ideal for high-volume ideation and thumbnails.
Full Flux 2 Klein 9B Base spec sheet →
Text-to-image generation with FLUX.2 [klein] 9B Base from Black Forest Labs. Enhanced realism, crisper text generation, and native editing capabilities.
Frequently asked questions
Which is cheaper, Luma Photon Flash or Flux 2 Klein 9B Base?+
Neither — both start at 1 credits for a complete generation on Versely.
What can Luma Photon Flash do that Flux 2 Klein 9B Base can't, or vice versa?+
Only Luma Photon Flash lists edit image, lightning fast, photorealistic, flash. Both list text to image.
How do Luma Photon Flash and Flux 2 Klein 9B Base bill?+
Luma Photon Flash bills per megapixel of output. Flux 2 Klein 9B Base bills per megapixel of output. Both are charged in Versely credits.
Which ranks higher, Luma Photon Flash or Flux 2 Klein 9B Base?+
Luma Photon Flash sits at #108 in text to image and Flux 2 Klein 9B Base at #30 in edit image on Versely's live model rankings. Versely ranks each capability on its own leaderboard, so those positions are only a direct comparison when the category is the same.
Try both inside Versely
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