AnalysisAI ModelsAugust 29, 2026

MiniMax H3 runs 720p to 1440p on one RTX 4090 with sparse attention

Independent developer built an auto-scheduled sparse-attention system for X-MinimaxH3, enabling native second sampling from 720p to 1440p on a single RTX 4090. Measured times: 112s, 223s, and 334s for different resolutions.

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