xAI fixes SDK bug dropping reasoning content, significantly boosting Grok 4.7

ns123abc · x · 2026-09-22

The xAI Responses API returns encryptedreasoningcontent each turn as a pointer to reasoning already done, but the native xAI SDK wasn't returning it by default — so reasoning was lost between model turns in multi-turn workloads.

xAI is now rolling out a change to return it by default across all APIs. Reports show the fix significantly improves Grok 4.7's multi-turn performance — the lost piece was reasoning continuity for agent-style workflows.

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