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Black Forest Labs vs Zeplin

Black Forest Labs logo

Black Forest Labs

Software

Frontier AI lab behind the FLUX family of image, video, and audio generation models

From
$0.17/month
Rated
-
Full reviewWebsite
Zeplin logo

Zeplin

Software

Design handoff and developer collaboration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Zeplin has a free tier, so it costs nothing to try first.
  • Each has a real cost: Black Forest Labs open weights licensing tiers (Builder, Platform, Professional) do not list public prices, requiring sales contact for most volumes.; Zeplin the free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • They diverge on capability: Black Forest Labs covers FLUX 3 image generation, Zeplin covers Design specs.

Where they differ

Only the attributes on which Black Forest Labs and Zeplin actually diverge.

Attributes where Black Forest Labs and Zeplin differ
AttributeBlack Forest LabsZeplin
Starting price$0.17/monthFree
Pricing modelusage-basedsubscription
Free tierNoYes
Platformsweb, apiWeb, Desktop, Mobile
FoundedUnknown2014

Identical on both: user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Black Forest Labs

  • FLUX 3 image generation
  • Video generation
  • Synchronized audio generation
  • Open weights
  • Action-prediction
  • Fine-tuning and LoRA rights
  • Pricing calculator

Only in Zeplin

  • Design specs
  • Asset export
  • Code snippets
  • Design tokens
  • Comments
  • Version control
  • Handoff workflow
  • Accessibility checks

What people use each for

The jobs each tool is most often brought in to do.

Black Forest Labs

  • Generating high-fidelity images via API for production appsnot Zeplin
  • Self-hosting open-weight FLUX models on private infrastructurenot Zeplin
  • Producing short branded video clips with synchronized audionot Zeplin
  • Robotics research using action-prediction modelsnot Zeplin

Zeplin

  • Handing off design specs from Figma or Sketch to developersnot Black Forest Labs
  • Sharing screens, assets and style guides with an engineering teamnot Black Forest Labs
  • Reviewing and commenting on design versionsnot Black Forest Labs

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Black Forest Labs

  • Open weights licensing tiers (Builder, Platform, Professional) do not list public prices, requiring sales contact for most volumes.
  • Video generation pricing per second can become costly for longer or higher-resolution outputs compared to subscription-based competitors.
  • No consumer subscription plan; pricing is oriented toward developers and enterprises rather than casual creators.

Zeplin

  • The free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • Free plan AI reviews are capped at 3 per week
  • Role based permissions require the Advanced plan or higher
  • Single sign on, multi factor authentication, activity logs and invoiced billing are Enterprise only
  • Priority 24 hour support is Enterprise only
  • Basic plan caps screens at 1,000 per project and is priced per project rather than per seat
  • Enterprise pricing is by quote with no published rate

Pricing, plan by plan

Black Forest Labs

$0.17/month
  • API (video)$0.17/month
    • $0.17 per second of generated video
  • Builder$undefined/mo
    • FLUX.2 [klein] models
    • 10K images/month
    • 1 domain, 10 licensed users
  • Platform$undefined/mo
    • FLUX.2 [klein] 9B + FLUX.2 [dev]
    • 100K images/month
    • 1 domain, 10 licensed users
  • Professional$undefined/mo
    • FLUX.2 [dev] open weights license
    • 100K images/month
    • Up to 3 domains, 10 licensed users

Zeplin

Free
  • FreeFree
    • 1 project
    • 1 workspace
    • Basic specs
  • Starter$19/month
    • Unlimited projects
    • Multiple workspaces
    • Advanced specs
  • Professional$49/month
    • Everything in Starter
    • Team collaboration
    • Admin controls

Which should you pick?

Choose Black Forest Labs if

  • You need flux 3 image generation.
  • You work on web, api.
  • You also want video generation.
Black Forest Labs review

Choose Zeplin if

  • You need design specs.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want asset export.
Zeplin review

Questions people ask

Is Black Forest Labs or Zeplin better?
Neither clearly leads. Black Forest Labs starts at $0.17/month and Zeplin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Black Forest Labs or Zeplin?
Zeplin has a free tier; the other does not. Paid plans start at $0.17/month for Black Forest Labs and Free for Zeplin.
Does Black Forest Labs or Zeplin run on more platforms?
Black Forest Labs runs on web, api. Zeplin runs on Web, Desktop, Mobile.
Can I use Zeplin for free?
Yes. Zeplin has a free tier, so you can try it without paying. Black Forest Labs starts at $0.17/month.
What is Black Forest Labs best used for?
Black Forest Labs is most often used for generating high-fidelity images via api for production apps, self-hosting open-weight flux models on private infrastructure, producing short branded video clips with synchronized audio, robotics research using action-prediction models. Of those, generating high-fidelity images via api for production apps and self-hosting open-weight flux models on private infrastructure are not what Zeplin is typically brought in for.
What can Black Forest Labs do that Zeplin cannot?
Black Forest Labs covers FLUX 3 image generation, Video generation, Synchronized audio generation, Open weights. Zeplin covers Design specs, Asset export, Code snippets, Design tokens.

Answered from the vendors’ own pages

Black Forest Labs: How much does Black Forest Labs' API cost?

The API is pay-as-you-go with no subscription required; video generation costs $0.17 per second, so a 5-second HD clip costs about $0.85.

Source
Black Forest Labs: Is there a free plan?

No free tier is offered; the pricing page lists only pay-as-you-go API usage and paid open-weights licensing tiers starting with Builder.

Source
Black Forest Labs: What do the open-weights licensing tiers include?

Builder includes FLUX.2 [klein] models with 10K images/month for one domain; Platform and Professional raise the cap to 100K images/month and add FLUX.2 [dev] access and fine-tuning rights.

Source
Black Forest Labs: Can I self-host FLUX models?

Yes, open weights licenses let teams download and self-host FLUX.2 [klein] and FLUX.2 [dev] models on their own infrastructure under the Builder, Platform, and Professional tiers.

Source
Black Forest Labs: How do I get enterprise or high-volume pricing?

Enterprise plans covering custom volume, all model releases, and SLA guarantees are not published and require contacting Black Forest Labs' sales team directly.

Source
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