Building a listed tool
Lei Bai
Project co-lead, Agents-A1, Shanghai AI Laboratory, named behind the Agents-A1-4B listing on Anchor Terminal.
What Lei builds
Agents-A1-4B C · 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 28 October 2026 · the people behind it
Works with
- Bo Zhang Project co-lead, Agents-A1, Shanghai AI Laboratory
Questions
Who is Lei Bai?
Lei Bai is project co-lead, Agents-A1 at Shanghai AI Laboratory.
What does InternScience (Shanghai AI Laboratory) make?
Anchor 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.
How are Lei's tools graded?
Agents-A1-4B is graded C, 61 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (4)
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