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MiMo-v2.6 Crosses 60% on DeepSWE Benchmark as Xiaomi Shares Live RL Training Telemetry.

MiMo-v2.6 Crosses 60% on DeepSWE Benchmark as Xiaomi Shares Live RL Training Telemetry.
Xiaomi MiMo Research Team Launches "RL Big Runs" Live Dashboard Previewing Next-Gen MiMo-v2.6 Models

The Xiaomi MiMo research team has launched a public "RL Big Runs" tracking dashboard, offering real-time visibility into the final reinforcement learning (RL) training phases of its upcoming model lineup: mimo-v2.6-pro and mimo-v2.6-flash. Markings from the live tracker represent the first major update indicator since the release of the mimo-v2.5 model series earlier in April.

Cost Efficiency Dominance and Benchmark Progress

Despite a deliberate release pacing that avoids frequent incremental updates, Xiaomi’s foundation models maintain a strong foothold across developer ecosystems:

  • Sustained OpenRouter Popularity: The preceding mimo-v2.5 model continues to hold a top 6 ranking on the OpenRouter usage leaderboards, driven primarily by its disruptive pricing structure most notably industry-leading prompt caching rates that significantly undercut competing frontier models.

  • DeepSWE Benchmark Performance: Live telemetry from the dashboard indicates that mimo-v2.6 has crossed the 60% threshold on the DeepSWE software engineering benchmark. This brings Xiaomi's performance trajectory into close alignment with rival efficiency-focused models like GLM-5.3-Flash.

  • Undefined Training Horizons: The live dashboard tracking metric does not specify the targeted compute endpoint or total epoch count, leaving the exact completion date and final model convergence targets unconfirmed.

Multi-Million Dollar Final-Stage Reinforcement Learning Costs

The public dashboard provides rare transparent visibility into the capital expenditures required for post-training refinement:

  • Late-Stage Compute Expenditures: Tracked training expenditures for the current pro and flash RL training runs have already surpassed $1.2 million.

  • Full Pre-Training Capital Footprint: Because the tracked $1.2 million budget applies strictly to the final reinforcement learning (RLHF/RLAIF) alignment phase, industry estimates indicate that end-to-end compute expenditures including base model pre-training likely reach tens of millions of dollars.

 

Source: Xiaomi MiMo 

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