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)→
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