CoT Summarization Deviation Analysis

Quantifying how summarized chain-of-thought outputs affect honesty and faithfulness scores for Claude 4.5 Haiku.

0.031

Honesty MAD (3:1)

0.047

Faithfulness MAD (3:1)

88%

Min Signal Retention

5,000

Simulated CoTs

Deviation by Compression Ratio (Signal Retention = 90%)

Compression	Ratio	Honesty MAD	Faith. MAD	% > 0.10
1.3:1	0.75	0.012	0.018	1.1%
2:1	0.50	0.021	0.033	2.8%
3:1	0.33	0.031	0.047	6.0%
5:1	0.20	0.058	0.089	14.3%
10:1	0.10	0.142	0.198	38.7%

Deviation vs Compression Ratio

Signal Retention Sensitivity

Threshold Exceedance Rate

Critical Retention Requirements