Black Forest Labs vs Stability AI
Black Forest Labs scores 7.2 to Stability AI's 6.5 among the AI image generators we rate, and is the better pick for 2 of the 4 kinds of buyer below.
Black Forest Labs wins, 7.2 to 6.5
Black Forest Labs keeps a character the same across images, a feature Stability AI's API does not have. Stability AI answers with one-action background removal and negative prompts to say what to leave out, both missing from Black Forest Labs. Black Forest Labs generates a batch in one run and rewrites your prompt for you, while Stability AI's API returns one image per request with no prompt rewriting.
Pick Black Forest Labs if you want character consistency, batch runs or automatic prompt rewriting.
Pick Stability AI if you want background removal and negative prompts over character consistency.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
- Keeps a character the same across images: Black Forest Labs yes, Stability AI no
- One-action background removal: Stability AI yes, Black Forest Labs no
- Highest resolution it outputs: 4K against 2K
- Generates a batch in one run: Black Forest Labs yes, Stability AI no
- Rewrites the prompt for you: Black Forest Labs yes, Stability AI no
- But Stability AI leads on says what to leave out: Stability AI yes, Black Forest Labs no
- Generations can be kept private: Black Forest Labs yes, Stability AI does not say
- Free trial: Black Forest Labs 0 days, Stability AI not published
How they score
Both are scored the same way, against the other AI image generators we rate, from facts on each vendor's own pages. Black Forest Labs leads on 4 of 5 criteria.
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
Published by only one of them
Where they match (15)
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Black Forest Labs
Black Forest Labs does not publish a plan list we could read.
Stability AI
Pros and cons
From each tool's full review, written from the same checked facts.
Black Forest Labs
- Credits cost $0.01 each with no subscription, for example 4 credits, $0.04, per image on FLUX.1 Kontext [pro].
- Every generation through the API comes with full commercial rights and output ownership, with no separate license.
- Open-weights models can be self-hosted on your own infrastructure, including the Apache 2.0 licensed FLUX.2 [klein] 4B.
- There is no free tier and no free trial.
- Your data is used for training by default; opting out requires emailing privacy@blackforestlabs.ai.
- Most FLUX models do not support a negative prompt.
Stability AI
- Pay-as-you-go pricing runs as low as 3 credits, $0.03, per image with no subscription required.
- The Community License lets individuals and organizations under $1M in annual revenue self-host the model for free.
- Editing tools include inpainting, outpainting, background removal and upscaling to 4K resolution.
- There is no recurring free tier; the 25 signup credits are a one-time bonus.
- There is no feature for keeping a character consistent across images.
- Stability AI's terms have you indemnify the company, not the other way round.
Black Forest Labs vs Stability AI: common questions
Which is better, Black Forest Labs or Stability AI?
Black Forest Labs scores 7.2 and Stability AI 6.5 out of 10 among the AI image generators we rate. Black Forest Labs is ahead on what it makes, control and automation, rights and privacy and openness and support.
Is Black Forest Labs or Stability AI cheaper?
Black Forest Labs's cheapest paid plan is From $0.04 an image (pay as you go) and Stability AI's is From $0.03 an image (pay as you go). Compare what each plan includes below before going on price alone.
Do Black Forest Labs and Stability AI have a free plan?
Neither has a free plan.
What can Black Forest Labs do that Stability AI cannot?
On the facts both vendors publish: keeps a character the same across images, generates a batch in one run and rewrites the prompt for you.
What can Stability AI do that Black Forest Labs cannot?
On the facts both vendors publish: one-action background removal and says what to leave out.
