GPT-5.6 Sol uses 10% fewer tokens, context window reduced to 272K

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Alex Getman @alexgetmancom · 13 Jul 2026, 11:21 UTC · Updated 31 Oct 2026, 22:25 UTC

Tools & updates

CODEX NEWS

GPT-5.6 Sol now uses 10% fewer tokens.
The context window was rolled back from 372K to 272K. They’re investigating why the larger window became more resource-hungry.
Subagent launches have been fixed.

🎁 Expect a little gift today: a banked reset.

GPT-5.6 Sol OpenAI Codex Context management Subagents

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Analysis

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