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How Does a Semantic Layer Improve Text-to-SQL Accuracy? Latest Benchmark Reveals the Answer

May 7, 2026·1 min

How Does a Semantic Layer Improve Text-to-SQL Accuracy? Latest Benchmark Reveals the Answer

A new open-source benchmark quantifies how a 4KB semantic layer boosts LLM Text-to-SQL accuracy across Claude and GPT models, validated with McNemar's test.