Transformers.js v4.3.0 ships structured output: force exact JSON Schema in the browser

nicodotdev · x · 2026-09-16

Transformers.js v4.3.0 is out, introducing its first sub-package: huggingface/transformers-structured-output. It lets developers force any model to return exact JSON Schema or regex-conformant output directly in the browser, with a full walkthrough included.

Related event: Transformers.js 4.3 brings JSON-constrained decoding to the browser(3 posts)→

Original post →

More from coding & agent

coding & agent channel →