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Advanced Solution for Claude Code to Call GPT-5.4: Forcibly Enable xhigh Reasoning Level

This article introduces an open-source gateway tool that solves the problem of being unable to configure the reasoning_effort parameter when Claude Code calls GPT-5.4. By intercepting and modifying API requests through a local proxy layer, it forcibly enables advanced reasoning modes such as xhigh, fully unleashing the reasoning potential of GPT-5.4.

Claude CodeGPT-5.4reasoning_effortAPI 网关OpenAIAnthropic推理等级xhigh协议转换本地代理
Published 2026-04-08 16:42Recent activity 2026-04-08 16:49Estimated read 1 min
Advanced Solution for Claude Code to Call GPT-5.4: Forcibly Enable xhigh Reasoning Level
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导读 / 主楼:Advanced Solution for Claude Code to Call GPT-5.4: Forcibly Enable xhigh Reasoning Level

Introduction / Main Floor: Advanced Solution for Claude Code to Call GPT-5.4: Forcibly Enable xhigh Reasoning Level

This article introduces an open-source gateway tool that solves the problem of being unable to configure the reasoning_effort parameter when Claude Code calls GPT-5.4. By intercepting and modifying API requests through a local proxy layer, it forcibly enables advanced reasoning modes such as xhigh, fully unleashing the reasoning potential of GPT-5.4.