AI Image Generation & Editing
FLUX (Black Forest Labs) vs Leonardo.Ai
Which is better depends on the job. Here's how they compare on facts and — where we've run them — our standardized tests.
FLUX family of image generation and editing models, including open-weight versions.
AI image and video generation platform for creative assets.
Which should you choose?
NOT YET TESTED We won't name a winner until both tools have completed the same test tasks. Until then, use the verified facts below.
Scores by job
| Job | FLUX (Black Forest Labs) | Leonardo.Ai |
|---|---|---|
| Photoreal product & lifestyle shots | NOT YET TESTED | NOT YET TESTED |
| Posters, ads & images with correct text | NOT YET TESTED | NOT YET TESTED |
| Consistent character / brand style across images | NOT YET TESTED | NOT YET TESTED |
| AI photo editing (inpaint, remove, extend) | NOT YET TESTED | NOT YET TESTED |
| Vector graphics, icons & logo exploration | NOT YET TESTED | NOT YET TESTED |
Facts side by side
From official pages; "Not yet verified" means we haven't confirmed it yet.
| FLUX (Black Forest Labs) | Leonardo.Ai | |
|---|---|---|
| Company | Black Forest Labs | Leonardo.Ai |
| Starting price | API from $0.048/image | Free plan · paid price not yet verified |
| Free plan | Not yet verified | Yes |
| Free trial | Not yet verified | Not yet verified |
| API | Yes | Yes |
| Commercial use | Restricted | Allowed on all plans |
| Last tested | Never | Never |
| Facts updated | Oct 8, 2026 | Oct 8, 2026 |
FLUX (Black Forest Labs) vs Leonardo.Ai: same prompt, raw outputs
Same input for every tool. We publish the first output (no cherry-picking), with the date, plan and model version used, plus a SHA-256 hash of the file.
When the test round runs, each task appears here as a row with one column per tool.
Head-to-head measurements
Objective metrics recorded by our test harness (same inputs for every tool). Raw outputs are archived as evidence.
Blind quality comparison
Subjective assessment by our evaluators, blind where possible. This is opinion, labelled as such — not a measured fact.
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New results, re-tests and major tool releases are posted on our updates page and in the RSS feed. We don’t collect email addresses.