Beating GPT-5.6 Sol on retrieval with 100x cheaper open models
SMRTR summary
Castform is a platform that lets developers fine-tune small open-source AI models using their own company data, making them faster and cheaper than frontier models like GPT-5.6. By partnering with Neon's database infrastructure, Castform automates the hardest parts of AI training, cutting costs by 100x while matching or beating expensive closed-model performance on retrieval tasks.
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