Open source alternatives to Nano Banana

One project on starwire does the same job. Ranked by how much of what Nano Banana does each one covers, read from its README and website. Ties go to the most active.

What Nano Banana does

Edit images with text promptscore
Generate images from promptscore
Keep characters consistent across images
Blend multiple images
Style changes

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
kokonDescribe a photo edit and run it on your own GPU, with an MCP server	Replaces it86%	411+93	452	3 days ago	73%	Install like an app	AGPL-3.0
Covers all 2 core jobs. Not shown: Keep characters consistent across images.See the evidence Edit images with text promptscoreYesEdit photos by describing the change Generate images from promptscoreYesabout 36 s for a new image at native 2K Keep characters consistent across imagesNot shownNeither the README nor the website mentions it. Blend multiple imagesYesgenerate the kitchen, combine the two Style changesYesTurn it into a hand-painted watercolor illustration

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