Trending Technology11 Min Read Harris AlionOctober 22, 2026 DeepSeek V4.1 Flash vs GPT-6.1 Sol: Is It Really 13x Cheaper? DeepSeek V4.1 Flash is 13x cheaper than GPT-6.1 Sol per token only on uncached input billed off-peak ($0.15 versus $2.00 per million). Per…