Transformers.js 4.3 adds structured output, three model architectures, Safari WebGPU
Hugging Face released Transformers.js v4.3, adding an experimental dependency-free structured-output package that constrains generation to JSON schemas, JSON objects, or regex. The release adds DeepSeek-V4, Zaya, and HRM-Text model architectures, enables WebGPU on Safari 26+, updates Cross-Origin Storage, and upgrades ONNX Runtime. Structured output currently supports one generated sequence at a time.
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