Step 3.5 Flash: A New Open Source LLM Shakes Up the Global Scene

product#llm📝 Blog|Analyzed: Mar 5, 2026 09:30
Published: Mar 5, 2026 07:24
1 min read
雷锋网

Analysis

Step 3.5 Flash, developed by Jieyue Xingchen, is making waves by rapidly climbing to the top spot on OpenClaw, a globally recognized open-source project. This LLM's open-source approach, including pre-training and mid-training weights, offers developers unprecedented flexibility and possibilities for innovation in the rapidly evolving Generative AI field.
Reference / Citation
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"Step 3.5 Flash model and it also open-sourced the pre-training weights (Base), mid-training weights (Midtrain) and the accompanying Steptron training framework."
雷锋网Mar 5, 2026 07:24
* Cited for critical analysis under Article 32.