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In industrial recommendation systems, the shift towards Generative Retrieval (GR) Traditional embedding-based nearest neighbor search is being replaced by large language models (LLMs). These models represent objects Semantic ID (SID)—discrete …

OpenAI recently launched a new research preview called GPT-5.3 Codex-Spark. This model is built for one thing: extreme speed. While the standard GPT-5.3 codec focuses on deep logic, Spark is …