GPT-5.6 Launch Exposes Token Waste Problem That Bigger Plans Cannot Solve

OpenAI released the GPT-5.6 model family on July 10, 2026, integrating it with a unified ChatGPT desktop app alongside Codex. Despite OpenAI claiming roughly 54% better token efficiency for coding tasks, developers on paid plans quickly reported hitting usage limits faster than with the previous GPT-5.5 generation. The core issue, according to the article, is that more capable models encourage heavier agent usage, which cancels out efficiency gains through unnecessary context being sent repeatedly. Tools like Claude Code's new /checkup command now actively flag such inefficiencies, signaling that context bloat is a recognised industry-wide problem. Developers are increasingly turning to context-engineering and memory-management tools, with install data suggesting the ecosystem is shifting focus from expanding agent capability to reducing token waste.
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