Kimi K3 Offers Better Cost-Performance for Coding Tasks

rohanpaul_ai · x · 2026-07-19

An image compares the performance of **Kimi K3** and **Fable 5** on software engineering / DeepSWE rollout tasks: - At a cost of $100, Kimi completes **14.7** tasks compared to Fable's **5.3**, giving it a roughly **2.8x** advantage in cost-effectiveness. - The tradeoff is a slower per-rollout time: Kimi takes a median of **66 minutes**, while Fable takes **21 minutes**. - A cited note adds that these results may continue to shift once the model is officially released and widely available.

Related event: Moonshot's Kimi K3 Tops Frontend Code Arena, Nearing Fable 5 in Coding at a Third of the Cost(12 posts)→

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