
US data brokers sell RL environments to Chinese AI labs, report says
ChinaTalk names at least nine US firms and about $500 million in sales; export controls largely miss these environments.
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ChinaTalk names at least nine US firms and about $500 million in sales; export controls largely miss these environments.
CodeMidas turns source code into 5,545 RL tasks and improves MiMo-V2.5 on five coding benchmarks.
CodeMidas turns existing codebases into 5,545 executable RL coding tasks; GRPO-trained MiMo-V2.5 gains up to 17% on ProgramBench.

Latent Space argues AI training pipeline stages—rewards, data, teachers, curricula, environments—are flipping from human-made to model-made simulation.
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