sujalgawas/aya-json-sftV1 — Stage-2 Hierarchical & Nested JSON Extraction SFT

Second-stage QLoRA adapter fine-tuned on top of sujalgawas/aya-json-sft (base model CohereLabs/tiny-aya-global) using a 50% Stage-1 Flat + 50% Stage-2 Hierarchical Nested dataset (sujalgawas/aya-json-sftV1-dataset).

Stage-1 vs. Stage-2 Nested Benchmark Results

Model	Split	Schema Valid	Doc Exact	Nested Object Acc	Array Completeness	Null Acc	Hallucination Rate
Stage-1 (sujalgawas/aya-json-sft)	test_nested	0.0	0.0	0.0626	0.0456	0.0578	0.9091
Stage-2 (sujalgawas/aya-json-sftV1)	test_nested	0.7143	0.7143	0.8288	0.7868	0.8776	0.1122
Stage-2 (sujalgawas/aya-json-sftV1)	test_flat	1.0	1.0	1.0	1.0	1.0	0.0