AnalysisAI ModelsAugust 23, 2026

GLM-5.3 open-weight model beats Anthropic/OpenAI at 1/5 cost

In real-world task tests, GLM-5.3 outperformed Anthropic and OpenAI models at roughly one-fifth the cost. The leaderboard notes fable-5's 9.3 score is self-judged and not like-for-like.

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