# Ant Group open-sources Ling-3.1-flash-1019 and its base model for personal agents

> Original title: Ant Group Open-Sources Ling-3.1-flash-1019 and Its Base Model, Aiming at Personal Agents

- Source: Pandaily
- Published: 2026-10-28T06:58:23.000Z
- Bad Influence: https://badinfluence.news/items/lnjaxmvjvnz996fhbi3y6gvqo
- Original: https://pandaily.com/ant-group-ling-3-1-flash-1019-ling-3-1-flash-base-open-source-personal-agent-aa-index-44

## Summary

Ant Group's Ling team has open-sourced Ling-3.1-flash-1019, an updated version of Ling-3.1-flash, and its base model Ling-3.1-flash-base under the MIT license on Hugging Face. The update adds post-training aimed at reasoning, tool use and multi-step execution, and scores 44 on the Artificial Analysis Intelligence Index v4.3.2, up three points, according to the source. Ant says the base model beat DeepSeek-V4-Pro-Base and MiMo-V2.5-Pro-Base on 32 of 47 benchmarks in its own testing.