ImaJev-4b: a 4B fine-tuned model for business decisions on text and images
A consultant built ImaJev-4b, a 4-billion-parameter model based on Qwen3.5-4B with LoRA and a small decision head. After an initial fine-tuning that degraded reasoning, careful data curation led to first place on JevBench among 91 models and third on...