OpenAI Codex Now Supports 1M Context for GPT-5.6-Sol: Configuration Guide & Pitfalls Analysis

OpenAI Codex has officially rolled out 1M long context support for the GPT-5.6-Sol model to GPT subscribers, a significant upgrade from the previous 272K limit. This video provides a step-by-step guide on enabling this feature globally via config files or temporarily via CLI. However, is 1M context truly a silver bullet? The author offers a critical analysis, highlighting doubled API costs, increased prompt noise, and degraded model performance at extended lengths, emphasizing why proper context management remains king.