Author

Jiaqi Gan

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Preprint Sep 2026

ChatGPT Images 2.5 on Forgery Tasks: Testing Advertised Improvements Against Known Answers

OpenAI released ChatGPT Images 2.5 on 8 September 2026, advertising more precise local edits, better consistency across edits, more faithful reference products and sharper detail. We evaluate these claims on four forgery tasks with answers fixed in advance: receipt-field alteration, repeated editing, product placement...

Ankit Raj, Yu-Xin Zhang, Kidus Zewde et al. · 2 citations

Preprint Aug 2026

CallScreenBench: Benchmarking Small Language Models as Phone Secretaries

This work presents CallScreenBench, which reports five automated call-and-note measure groups motivated by owner endorsement, and reports quality measures and guardedness channels separately so that a single pass/fail score does not hide their trade-offs.

Jia-Qi Gan, Hao Tang, Jamey Z. Liang et al. · 1 citation

#small language model Preprint Aug 2026

Anatomy of a Scam Call: What 10,000 real scam and spam calls reveal about how phone scammers operate

This work analyzes a complete corpus of 10,211 inbound scam and spam calls collected over 54 days by an AI voice-agent honeypot that answered callers and kept them talking, and introduced in a companion data descriptor.

Ethan Traister, Ankit Raj, Jiaqi Gan et al. · 0 citations