DeepSeek V4 Flash undercuts GPT-5.6 Luna: 2.3x cheaper with similar intelligence

zainhas · x · 2026-08-01

zainhas shared a cost comparison: DeepSeek V4 Flash costs $0.03 per task vs $0.07 for GPT-5.6 Luna, making it 2.3x cheaper. Intelligence scores are close (50 vs 51), but DeepSeek's cost advantage is significant, disrupting the cost-optimal Pareto frontier.

Related event: DeepSeek V4 Flash Benchmarks: Low Cost, High Performance, Outshines Luna(12 posts)→

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