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Say Anything Prompt Segment Anything Model Chrome Extension

Adds natural language prompting to Meta's Segment Anything Model, though results are inconsistent.

Checked 5 Oct 2026 Reviewed by Alex Listed since October 2024

Screenshot of Say Anything Prompt Segment Anything Model Chrome Extension

At a glance

Starts at Free No paid plan found on the Chrome Web Store, September 2026.
Free tier Yes
Platforms Chrome
Best for Developers experimenting with text-prompted image segmentation
Not for Anyone needing reliable, production-ready segmentation results

3.9 out of 5

Scored by Alex after real use

Our verdict

This extension layers OpenAI's CLIP and gradient-based class activation mapping on top of Meta's Segment Anything Model, letting you describe what to select in plain language instead of clicking points. It's an independent, hobbyist project rather than an official Meta or OpenAI tool, built because the original text-prompting demo was never released publicly. Results vary noticeably in quality, and it requires setting up a separate backend server yourself before it works at all.

✓What it does well

Natural language selectionLets you describe what to segment instead of clicking points manually.
Built on open researchCombines OpenAI's CLIP with gradient-based mapping on top of SAM.
Open projectComes with an open backend repository you can inspect or modify.

✕Where it falls short

Inconsistent resultsSegmentation quality is inconsistent, with no guarantee a given result will be usable.
Requires backend setupDoes not function without a separate backend server set up locally first.
Experimental, not officialIs an unofficial hobby project, not something backed by Meta or OpenAI.

Key features

Text-prompted segmentationSelects image regions based on a typed natural language prompt.
CLIP-based encodingUses OpenAI's CLIP model to interpret prompts against image content.
Gradient-based mappingApplies gradient-weighted class activation mapping to locate relevant regions.
Local backendRuns against a backend server you set up on your own machine.

Questions about Say Anything Prompt Segment Anything Model Chrome Extension

What does Say Anything Prompt Segment Anything Model Chrome Extension do?

It adds natural language prompting to Meta's Segment Anything Model, so users describe what to select in an image instead of clicking points. It layers OpenAI's CLIP and gradient-based class activation mapping on top of the model to locate the relevant regions.

Is Say Anything Prompt Segment Anything Model Chrome Extension an official Meta tool?

No. The reviewer describes it as an independent hobbyist project, not an official Meta or OpenAI tool. It was built because the original text-prompting demo was never released publicly, and it comes with an open backend repository that can be inspected or modified.

How do you set up Say Anything Prompt Segment Anything Model Chrome Extension?

The extension does not work at all until a separate backend server is set up on the user's own machine. It then runs from Chrome against that local backend. The reviewer lists this setup requirement among its main shortcomings.

How reliable is Say Anything Prompt Segment Anything Model Chrome Extension?

Results vary noticeably in quality, and the reviewer notes there is no guarantee a given segmentation will be usable. Toolio rates it best for developers experimenting with text-prompted image segmentation, not for anyone who needs reliable, production-ready results.

Is Say Anything Prompt Segment Anything Model Chrome Extension free?

Yes. It has a free tier, and no paid plan was found on the Chrome Web Store in September 2026. Alex scored it 3.9 out of 5 after real use, and it has been listed on Toolio since October 2024.

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