# explosion.ai > AI-optimized mirror of explosion.ai containing 50 pages totalling 33,841 words of clean markdown content, structured data, and semantic HTML. Original source: https://explosion.ai/. Last updated: 2026-05-17T19:34:57.270Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Project](/site-root.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (2,212 words) ## Articles & Blog Posts - [blog/spacy-v2-2/index.html](/blog/spacy-v2-2/index.html) (1 words) - [blog/spacy-v3-2/index.html](/blog/spacy-v3-2/index.html) (1 words) - [blog/spacy-v3-1/index.html](/blog/spacy-v3-1/index.html) (1 words) - [blog/healthsea/index.html](/blog/healthsea/index.html) (1 words) - [blog/pdfs-nlp-structured-data/index.html](/blog/pdfs-nlp-structured-data/index.html) (1 words) - [blog/spancat/index.html](/blog/spancat/index.html) (1 words) - [blog/spacy-design-concepts/index.html](/blog/spacy-design-concepts/index.html) (1 words) - [blog/german-model/index.html](/blog/german-model/index.html) (1 words) - [blog/year-in-review-2017/index.html](/blog/year-in-review-2017/index.html) (1 words) - [blog/bloom-embeddings/index.html](/blog/bloom-embeddings/index.html) (1 words) - [blog/year-in-review-2021/index.html](/blog/year-in-review-2021/index.html) (1 words) - [blog/year-in-review-2019/index.html](/blog/year-in-review-2019/index.html) (1 words) - [blog/coref/index.html](/blog/coref/index.html) (1 words) - [blog/relation-extraction/index.html](/blog/relation-extraction/index.html) (1 words) - [blog/sp-global-commodities/index.html](/blog/sp-global-commodities/index.html) (1 words) - [blog/technical-report/index.html](/blog/technical-report/index.html) (1 words) - [_/category/paper/index.html](/_/category/paper/index.html) (1 words) - [_/category/universe/index.html](/_/category/universe/index.html) (1 words) - [_/category/interview/index.html](/_/category/interview/index.html) (1 words) - [_/category/blog/index.html](/_/category/blog/index.html) (1 words) - [_/topic/humanities/index.html](/_/topic/humanities/index.html) (1 words) - [_/topic/media/index.html](/_/topic/media/index.html) (1 words) - [_/topic/biomedical/index.html](/_/topic/biomedical/index.html) (1 words) - [_/topic/llms/index.html](/_/topic/llms/index.html) (1 words) - [Project](/_/topic/strategy/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (2,003 words) - [Introducing spaCy v2.3](/blog/spacy-v2-3/index.html): spaCy now speaks Chinese, Japanese, Danish, Polish and Romanian! Version 2.3 of the spaCy Natural Language Processing library adds models for five new languages. We've also updated all 15 model families with word vectors and improved accuracy, while also decreasing model size and loading times for models with vectors. (1,417 words) - [Project](/_/category/talk/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (2,442 words) - [Pseudo-rehearsal: A simple solution to catastrophic forgetting for NLP](/blog/pseudo-rehearsal-catastrophic-forgetting/index.html): Sometimes you want to fine-tune a pre-trained model to add a new label or correct some specific errors. This can introduce the "catastrophic forgetting" problem. Pseudo-rehearsal is a good solution: use the original model to label examples, and mix them through your fine-tuning updates. (1,533 words) - [Project](/_/topic/finance/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (445 words) - [Back to our roots: Company update and future plans](/blog/back-to-our-roots-company-update/index.html): We’re back to running Explosion as a smaller, independent-minded and self-sufficient company. spaCy and Prodigy will stay stable and sustainable, maintained by their original authors. We’ll keep updating our stack wth the latest technologies, without changing its core identity or purpose. (1,114 words) - [Project](/_/topic/legal/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (388 words) - [Explosion Developer Tools](/_/category/video/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (1,141 words) - [Project](/_/project/consulting/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (345 words) - [Introducing spaCy v3.5](/blog/spacy-v3-5/index.html): spaCy v3.5 introduces new CLI commands, fuzzy matching, improvements for entity linking and more. (413 words) - [Project](/_/category/release/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (1,304 words) - [Project](/_/topic/annotation/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (2,390 words) - [Project](/_/project/thinc/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (355 words) - [Project](/_/project/case_study/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (299 words) - [Project](/_/category/book/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (253 words) - [Software](/software/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (628 words) - [Project](/_/project/ellf/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (207 words) - [Tailored Solutions](/tailored-solutions/index.html): Custom NLP consulting and implementation by spaCy’s core development team. We’re ready to help and excited to learn about your project! (394 words) - [About us](/about/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (214 words) - [Merchandise](/merch/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (1 words) - [Events](/events/index.html): We’re often discussing our work in interviews, meetups and conferences. Here’s a list of upcoming and past events. (2,271 words) - [Project](/_/project/prodigy/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (4,337 words) - [blog/spacy-v3-project-config-systems/index.html](/blog/spacy-v3-project-config-systems/index.html) (1 words) - [Project](/_/topic/computer-vision/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (674 words) - [Project](/_/project/spacy/index.html): Explosion is a software company specializing in developer tools and tailored solutions for Artificial Intelligence and Natural Language Processing. We’re the makers of spaCy, one of the leading open-source libraries for advanced NLP. (7,036 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives