Open-source alternatives to paid AI tools

SkipTheSub / Adobe Firefly

Open-source alternatives to Adobe Firefly

Monthly price for Adobe Firefly: TBD (unverified — never invented). Below: 2 open-source alternatives.

invoke-ai/InvokeAI

What it can do

Invoke is a leading creative engine for Stable Diffusion models, empowering professionals, artists, and enthusiasts to generate and create visual media using the latest AI-driven technologies. The solution offers an industry leading WebUI, and serves as the foundation for multiple commercial products. (GitHub project description) source

What it can't do

TBD

Minimum hardware

TBD

Setup difficulty

TBD

Freshness

not fetched yet

Running cost (per month, roughly)

VPS: TBD — minimum RAM not verified

Local electricity: $ —/mo watts / 1000 × hours/day × 30 × 0.1831 $/kWh source

Open on GitHub

AUTOMATIC1111/stable-diffusion-webui

What it can do

Stable Diffusion web UI. (GitHub project description) source

What it can't do

TBD

Minimum hardware

RAM
TBD
VRAM
4 GB
Runs on
  • gpu
Note
4GB video card support
source

Setup difficulty

TBD

Freshness

Stars
165,071
Last push
2026-03-02
Latest release
v1.10.1

Running cost (per month, roughly)

VPS: TBD — needs a GPU host, not covered by plain VPS plans

Local electricity: $ —/mo watts / 1000 × hours/day × 30 × 0.1831 $/kWh source

Fetched 2026-10-16 from the GitHub API.

Open on GitHub

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