New2 developments · 1 source · over 12 daysDeepSeek-V4 Flash vs GPT-5.6 Luna: Cost vs QualityHow it developedAugust 6, 2026Together AI BlogWhere it startedDeepSeek-V4 Flash vs GPT-5.6 Luna: Cost vs QualityAugust 18, 2026Together AI BlogDeepSeek V4 Pro 0813 vs GPT-5.6 Sol: Cost EfficiencyDeepSeek V4 Pro 0813 solves 83% of DeepSWE tasks at lower cost than GPT-5.6 Sol via cascade approach.