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Reinforcement Learning

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Wednesday, 23 September 2026

“Impressive level of openness”: Xiaomi goes way beyond the usual open-weight playbook with MiMo-V2.6

The New Stack 3 weeks ago 10 ● 6 sources

Xiaomi released MiMo-V2.6, a trillion-parameter open-weight multimodal model, alongside a public record of its reinforcement-learning (RL) training runs. The RL run dashboard showed costs of $854,044 for MiMo-V2.6-Flash and $2,620,670 for MiMo-V2.6-Pro over a five-day period starting September 15. As a result, the model weights plus planned RL training environments and an end-to-end training framework are positioned to let other researchers inspect and build on the post-training process, not just download the weights.

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