Ant's Ling-3.1-flash goes open source: 560B params, 25B active, 1M context
智东西 · wechat · 2026-10-15
- Ant Group's Bailian released Ling-3.1-flash on Sep 30 and open-sourced it today: 560B total parameters, 25B active per token, 1M context window, targeting office work, long-horizon software development, and complex agent tasks.
- Artificial Analysis benchmarks: intelligence index 41, 210 tokens/s output, $0.19 per million tokens blended — a value play.
- Zhi Dongxi's hands-on tests: it produced a research brief, editable data tables, and an interactive visualization comparing three years of Meta/Microsoft/Alphabet financials, plus an interactive workbench organizing 33 scattered to-dos with filtering and multiple views.
- Complex tasks: it turned the classic Chinese text 'Peach Blossom Spring' into a roammable Minecraft-style 3D web scene, and built a full mobile news-app prototype with home, search, article, and bookmark pages.
- It ranks third in Design Arena's open-weights category for data visualization, React Native, 3D design, and game development. Ant also ships domain models LingFin (finance) and LingSante (healthcare).
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