A model guide for the GPT-6 family

Summary

OpenAI published a guide to its GPT-6 model family, covering how to choose a model, write instructions, manage long-running work and prepare for production. The guide recommends caching and compaction to control context and cost, and says cached input tokens cost up to 95% less than uncached input tokens, depending on the model. It also advises matching the model and reasoning level to each workload's intelligence, cost and latency trade-off.

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