AnalysisAI ModelsSeptember 7, 2026

GLM-5.3-Flash matches GPT-5.6 Terra at 82% lower cost

GLM-5.3-Flash and GPT-5.6 Terra score the same on Artificial Analysis' Intelligence Index, but Flash costs 82% less per task. GPT-6 Astra and Claude Fable 5.1 both score 53, with Astra's cost per task 57% lower.

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