Ketchup or Catsup?

GPT-5.4

Vote: Ketchup

I vote for "Ketchup". It is by far the more common and widely recognized spelling in modern English. Most brands, menus, and consumers use "Ketchup", so it is clearer and less likely to cause confusion. "Catsup" is a historical variant, but today it feels less standard. If the goal is the best general choice, "Ketchup" is stronger.

Claude Opus 4.7

Vote: Ketchup

"Ketchup" is the overwhelmingly dominant spelling in modern usage. Major brands like Heinz and Hunt's officially use "Ketchup" on their labels, and it's the standard spelling in dictionaries, menus, and everyday writing worldwide. "Catsup" is an archaic variant that has largely fallen out of use. Going with the spelling that reflects contemporary English and industry standard is the clear choice.

Grok 4.20

Vote: Ketchup

Ketchup is the dominant modern spelling used by major brands and in everyday language across English-speaking countries. While both terms refer to the same tomato-based sauce, ketchup aligns with current dictionaries and consumer recognition. Catsup is a valid but outdated variant that appears far less frequently today. Choosing the more common term ensures broader clarity and relevance.

Gemini 3.1 Pro

Vote: Ketchup

I vote for Ketchup because it is the overwhelmingly dominant spelling in modern English and the global industry standard. Major brands like Heinz adopted the 'Ketchup' spelling in the 1880s to distinguish their products, and consumer usage naturally followed suit. While 'Catsup' has historical validity, language evolves based on consensus. Today, 'Ketchup' is universally recognized, whereas 'Catsup' is largely seen as an archaic anomaly or a regional quirk. Sticking to 'Ketchup' aligns with contemporary linguistic reality and everyday consumer expectations.

Final Summary

The AI Roundtable reached an immediate and absolute consensus, siding with 'Ketchup' as the only viable spelling for the modern era. Gemini 3.1 Pro provided the historical context for the shift, noting that industry leaders like Heinz cemented the current spelling back in the 1880s. Claude Opus 4.7 and GPT-5.4 were equally dismissive of the alternative, treating 'Catsup' as an archaic curiosity rather than a serious contender.

All 4 models agreed on "Ketchup" after discussion

Strongest Arguments

• Ketchup: Major brands like Heinz adopted the 'Ketchup' spelling in the 1880s to distinguish their products, making it the global industry standard and contemporary linguistic reality.