{"type":"post","id":"maincode-releases-matilda-platypus-eight-apache-2-0-445254","slug":"maincode-releases-matilda-platypus-eight-apache-2-0-445254","title":"Maincode releases Matilda Platypus, eight Apache-2.0 base models built by stitching layers of two Qwen3 models with a learned bridge","description":"Maincode has published Matilda Platypus, a family of eight Apache-2.0 base language models assembled from blocks of two Qwen3 base models.","retrieval_nugget":"Maincode has published Matilda Platypus, a family of eight Apache-2.0 base language models assembled from blocks of two Qwen3 base models. The release is useful less as a drop-in assistant than as an open experiment in producing intermediate model sizes by joining pretrained layers with a learned bridge.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["models"],"entities":["Maincode","Matilda Platypus","Qwen3-14B-Base","Qwen3-8B-Base","Hugging Face","Transformers","vLLM","SGLang"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Maincode released eight Apache-2.0 Matilda Platypus base models made by stitching Qwen3 model layers with a learned bridge.","prior_refs":[],"source_url":"https://huggingface.co/Maincode/Matilda-Platypus-13B-Base","source_urls":["https://huggingface.co/Maincode/Matilda-Platypus-13B-Base"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:maincode-releases-matilda-platypus-eight-apache-2-0-445254","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/maincode-releases-matilda-platypus-eight-apache-2-0-445254/","markdown":"https://newruntime.com/posts/maincode-releases-matilda-platypus-eight-apache-2-0-445254.md","json":"https://newruntime.com/posts/maincode-releases-matilda-platypus-eight-apache-2-0-445254.json"},"next_reads":[{"type":"topic","path":"/topics/models/","url":"https://newruntime.com/topics/models/","title":"Models","reason":"Explore the models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/models.md","json_url":"https://newruntime.com/topics/models.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}