Sleepwalker AI visibility studies, news and updates

Sleepwalker publishes AI visibility studies, product news and updates. Research explains how AI models cite sources, mention brands and change over time.

26 Jul 2026study

Gemini 3.5 Flash vs. 3.5 Flash Lite vs. 3.6 Flash: Citation reproducibility test in 2 runs

We ran 50 consumer-electronics prompts across 3 Gemini Flash models twice. Citation volume, source mix and domain patterns were similar across both runs. Exact citation URLs were less repeatable.

11 Jul 2026study

OpenAI GPT-5.5 vs. GPT-5.6 citation test: GPT-5.6 runs had lower Google Top 10 overlap

Through a Sleepwalker MCP connection in Claude, we ran 50 consumer-electronics prompts on GPT-5.5, Sol, Terra and Luna. GPT-5.6 had lower Google Top 10 overlap; exact citation URL overlap averaged 14.4%.