OpenAI Cuts GPT-4o API Prices by 50%, Prompting Teams to Rethink AI Budgets

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OpenAI has halved the pricing on its GPT-4o API, making cost assumptions built even six months ago potentially outdated for teams running production workloads. The price reduction is particularly significant for retrieval-augmented generation (RAG) pipelines, which are input-token-heavy by nature and previously required aggressive context trimming to stay within budget. With costs now lower, teams can retrieve more document chunks and maintain longer context windows without redesigning their retrieval logic. Projects previously shelved due to unfavorable token economics may now be worth revisiting, and architectures built around cheaper, less capable models to save money may no longer offer the same trade-off advantage. Developers are advised to recalculate per-call costs against current platform pricing before making new decisions on model selection or retrieval design.

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