Gone for Good? I asked 10 models which deleted data could actually be restored

Automated excerpt

GPT-5. 4 and Gemini 3. 1 Flash-Lite gave the same answer to both variants in 9 of 18 pairs, though the variants differ in exactly the fact that decides the outcome. Only Gemini 3. 7 Flash and Gemini 3 Flash got both variants right. Gemini 3. 7 Flash, Gemini 3 Flash, GLM-5, Gemma 4 and Qwen (run 2) gave none.

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