AIHacker Newsabout 3 hours ago
Castform + Neon Beat Frontier Models on Retrieval
1 min read
A 4B open-source model post-trained with Castform retrieved search results as accurately as GPT-5.6 Sol while costing 100x less. Castform turns existing databases into RL training tasks, running against Neon's Lakebase Search. A typical multi-turn search with gpt-5.6-sol takes over 10 seconds and costs about $0.03.
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