DeepSeek V4 Flash self-verification beats Claude Fable 5 at 11x lower cost

yogthos · reddit · 2026-08-18

A GitHub project demonstrates a self-verification approach using the DeepSeek V4 Flash model. On Terminal-Bench 2.1, this method outperforms Claude Fable 5 while being 11 times cheaper. The result suggests that augmenting smaller, cheaper models with verification mechanisms can achieve an optimal balance of cost and performance for specific tasks.

Related event: DeepSeek V4 Flash Beats Claude Fable 5 on Terminal-Bench via Self-Verification at 1/11 the Cost(5 posts)→

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