StepFun 3.7 Flash

StepFun dropped Step 3.7 Flash, 196B total / 11B active MoE, runs locally on 128GB RAM It's a multimodal MoE (196B total params, only 11B active) with a built-in 1.8B ViT for vision. Benchmark highlights vs. other flash-tier models: - SWE-Bench Pro: 56.26% (beats DeepSeek V4 Flash at 55.6%, matches Gemini 3.5 Flash at 55.1%) - DeepSearchQA F1: 92.82%, competitive with GPT 5.5 (93.98%) - HLE w/ tools: 47.2%, solid for a flash-cl