FREEDOM251

Freedom251 › Compare

Side by side

Kili Technology vs RectLabel

Both stand on ai image annotation tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Kili Technology

Free trial APISelf-hostedWeb

Kili combines broad data support with configurable review and quality tools for AI dataset work. Trial limits and pricing on request are worth weighing against the team's intended scale.

Visit Kili Technology

RectLabel

Free trial Mac

RectLabel provides broad annotation, model-assisted labeling, OCR, workflow tools, and dataset exports for Mac users. Its offline and privacy statements may matter to developers, while platform and licensing requirements limit who can use it.

Visit RectLabel

The facts

Kili TechnologyRectLabel
Free planA free trialA free trial
Open sourceNot publishedNot published
Runs onAPI, Self-hosted, WebMac
Lowest paid planFree or on requestRectLabel: $299 a month
Plans published33
MakerNot publishedNot published
Websitekili-technology.comrectlabel.com
On ai image annotation tools#16 of 24#20 of 24

Kili Technology: what it does well

  • Supports images, video, PDFs, text, audio, and geospatial data.
  • Offers configurable multi-step and consensus review workflows.
  • Provides API, Python SDK, plugins, and MCP server.
  • Supports SaaS, Azure Marketplace, and on-premise deployment.

What to know first

  • No free plan; pricing is on request.
  • Free Trial is limited to one team seat.
  • Free Trial limits asset counts and types.
  • Advanced use cases require contacting the team.

RectLabel: what it does well

  • Works offline for image annotation
  • Supports many annotation types
  • Model-assisted labeling available
  • Exports YOLO, COCO, CreateML, and DOTA
  • Maker says images are not collected

What to know first

  • Mac-only application
  • Requires macOS 13.5 or later
  • No free plan
  • RectLabel Pro is a one-time paid license

Alternatives to Kili Technology Alternatives to RectLabel The whole list