GPT Performance Jumps 188% with 6x Fewer Tokens via Context Compaction

soumitrashukla9 · x · 2026-07-30

Recent developer tests reveal that configuring OpenAI's Responses API can significantly boost GPT model performance while slashing operational costs.

By enabling 'Retained Reasoning' and 'Context Compaction', the GPT-5.6 Sol model achieved a 188% score increase on public benchmarks, alongside a massive 6x reduction in output token usage.

Related event: GPT-5.6 Scores Triple on ARC-AGI-3 After Enabling Two API Settings(18 posts)→

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