30-day window · Last analysis 2026-05-04 · Confidential
Prepared
May 2026
Active Prompts
147 tracked
LLMs Monitored
5 engines
Overall Visibility Score
62%
▲ +6 pts
vs. prior week
Share of Voice
62%
Total Mentions (30d)
412
Positive Sentiment
71%
Visibility by LLM
ChatGPT
71%
Claude
67%
Perplexity
64%
Gemini
58%
Grok
49%
Avg. visibility across 147 tracked prompts in the transactional email API category.
ChatGPT & Claude are strongest; Grok lags on category-level discovery prompts.
Top Cited Sources
1
github.com
Cited across all 5 LLMs
142
2
news.ycombinator.com
ChatGPT · Perplexity · Claude · Gemini
98
3
resend.com
All 5 LLMs · brand-cited
89
Top 3 Wins This Period
1
First-mention dominance on developer-intent prompts across ChatGPT, Claude & Perplexity
71% visibility · 104/147 runs · "best transactional email API for developers" cluster
2
resend.com is now the 3rd most-cited domain across the category
89 citations · +18 vs prior month · cited by all 5 LLMs (first month at full coverage)
3
Sentiment lift on "modern DX / TypeScript SDK" framing across Claude & ChatGPT
+9 pts positive sentiment vs prior month · 88% positive on DX-related prompts