A lot of AI discussion focuses on model size.
I think the bigger long-term moat may be owned specialist datasets.
A good domain dataset does more than add examples. It encodes:
- the edge cases
- the failure modes
- the validation rules
- the domain-specific structure
- the feedback loop that keeps improving it
That changes the economics.
Instead of paying frontier-model prices forever for every narrow task, you can use a smaller specialist model trained on data you actually own and understand — then reserve frontier models for the hard cases.
The interesting part is not “synthetic data” by itself. It is building a measured dataset-engineering process that can repeatedly find holes, fill them, verify the new data, and prove the capability gain on held-out evals.
Models will keep changing.
A high-quality proprietary domain dataset can compound for years.
huggingface.co/collections/CompilingThings/mql5-code-generation
submitted by /u/Compilingthings
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