Hacker News·5 min read·hard
Beating GPT-5.6 Sol on retrieval with 100x cheaper open models
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moonikakiss
✦AI Summary
The article introduces Castform, a tool designed to help developers post-train smaller, open-source models to perform retrieval tasks as effectively as frontier models like GPT-5.6. By optimizing these models, developers can achieve significant cost reductions in agentic search workflows.
Back to Blog / Product How Castform + Neon Beats Frontier Models on Price and Efficiency A 4B open-source model post-trained with Castform retrieved search results as accurately as GPT-5.6 Sol, while costing 100x less
technologystartups
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