PyText
Facebook's open source conversational AI tech
PyText launched on December 24, 2018 with 129 votes, #176 of 2,148 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
PyText is a deep-learning based NLP modeling framework built on PyTorch. PyText addresses the often-conflicting requirements of enabling rapid experimentation and of serving models at scale. We use PyText at Facebook to iterate quickly on new modeling ideas and then seamlessly ship them at scale.
A natural language modeling framework based on PyTorch - facebookresearch/pytext
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