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  "markdown": "Project co-lead, Agents-A1, Shanghai AI Laboratory.\n\n## What Lei builds\n\n- [Agents-A1-4B](https://www.anchorterminal.com/tools/agents-a1-4b.md), graded C, 61/100, in Open-weight models. Agents-A1-4B is InternScience's open-weight dense vision-language model for long-horizon agent work (search, research, instruction following and tool calling), about 4.5B parameters in the Qwen3.5 architecture with a 262,144-token context, published in BF16, FP8 and GGUF under Apache 2.0. Project co-lead, Agents-A1, Shanghai AI Laboratory, researched 2026-10-28.\n\n## Works with\n\n- [Bo Zhang](https://www.anchorterminal.com/people/bo-zhang/), Project co-lead, Agents-A1, Shanghai AI Laboratory\n\n## Questions\n\n### Who is Lei Bai?\n\nLei Bai is project co-lead, Agents-A1 at Shanghai AI Laboratory.\n\n### What does InternScience (Shanghai AI Laboratory) make?\n\nAnchor Terminal lists Agents-A1-4B from InternScience (Shanghai AI Laboratory). Agents-A1-4B is InternScience's open-weight dense vision-language model for long-horizon agent work (search, research, instruction following and tool calling), about 4.5B parameters in the Qwen3.5 architecture with a 262,144-token context, published in BF16, FP8 and GGUF under Apache 2.0.\n\n### How are Lei's tools graded?\n\nAgents-A1-4B is graded C, 61 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://internscience.github.io/Agents-A1/\n- https://huggingface.co/InternScience/Agents-A1-4B\n- https://arxiv.org/abs/2606.30616\n- https://raw.githubusercontent.com/InternScience/Agents-A1/main/README.md\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
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