How far do on-premises open LLMs get on Text-to-SQL? A cross-family size and technique frontier on BIRD

arXiv:2606.29733 · cs.CL, cs.DB, cs.LG · Submitted 2026-06-29 · Read on arXiv

cs.CL, cs.DB, cs.LG

Submitted: 2026-06-29

Updated: 2026-10-18

Comments: 18 pages, 4 figures. v2 corrects v1 (read-only databases, official BIRD metric, truncated FP8-API arm; v1's ~13-point quantization-penalty claim is withdrawn) and adds re-runs; code and data: https://doi.org/10.5281/zenodo.23445116

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Self-consistency — 2× in this paper · explained in 2 episodes
• Text-to-SQL — 2× in this paper · explained in 3 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Model-Agnostic — 1× in this paper · explained in 2 episodes

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