Unverified50% confidenceFactExact time
The Codex context compression strategy performs mild cleanup at 60% usage and deep compression at 85% usage, while preserving the most recent turns and the original system instructions.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedCommon methods of context compression include summary-based compression, selective retention, and hierarchical memory69% similarUnverified压缩技术LLMLingua研究表明可在压缩80%内容的情况下保持模型性能基本稳定69% similarUnverifiedRemoving redundant descriptions via prompt compression and adopting structured formats can reduce input tokens by 20%–40%, and comprehensively applying prompt engineering techniques can lower token consumption for equivalent-quality output by 30%–60%.65% similarUnverifiedCodex has a built-in Prompt Caching mechanism, and in practice the cache hit rate can reach 84% to 93%.65% similar
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