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ProjectsNews10/09, 16:22

JetBrains open-sources Mellum2.1：LiveCodeBench Tests surpass Qwen3.5-9B

JetBrains reportedly open-sourced a 12000000000-parameter coding model Mellum2.1, and released its weights and GGUF quantized version. The report cited its self-reported results, saying that the model scored higher than LiveCodeBench v6 on Qwen3.5-9B。

ProjectsNews10/06, 21:14

Reflection announces 501B open-weight model Beam, plans to open-source it at month-end, but performance currently trails leading Chinese models

Reflection announces its first open-weight model, Beam, using a 501000000000-parameter MoE architecture. It is currently still in the safety-testing phase, with full weights planned for release later this month.

# Technology Developments # open-weight model # MoE # coding model # reinforcement learning

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