GLM-5.3 Matches Fable 5 Coding Quality at 1/4th Cost

zainhas · x · 2026-08-23

DeepSWE benchmarks indicate that GLM-5.3 achieves coding quality parity with Fable 5 at a fraction of the cost. Key stats: GLM-5.3 scores 69.0% vs. Fable 5's 69.7%; cost per task is $3.99 vs. $21; token usage is 80k vs. 114k; and it manages 124 turns vs. 85. The data suggests open weights models are offering a significantly better price-performance ratio.

Related event: GLM-5.3 Matches Fable 5 on DeepSWE at a Quarter of the Cost(4 posts)→

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