DeepSeek V4 Flash 0731 and the New “Reasoning-First” Benchmarks
DeepSeek V4 Flash 0731 is a MoE model release evaluated on ARC-AGI-2 with multiple reasoning-effort modes. It reports 61.4% on ARC-AGI-2 Semi-Private at $0.04/task (max effort), alongside efficiency-focused design like long-context attention and DSpark speculative decoding.