You are only allowed to use one vowel for the rest of time. Which vowel do you choose?

Sonar Pro

Vote: e

The vowel **e** is the most frequent in English, appearing in about 11-13% of words, enabling communication of essential terms like 'the', 'be', 'me', and 'he'.[1][2][3] It supports key phonemes (/iː/, /ɛ/, /eɪ/, /ə/), covering high-frequency sounds in articles, pronouns, and verbs, unlike **a** (common but schwa-heavy), **i** (less versatile), **o** (back vowels), or **u** (rarest).[1][3] Linguistically, **e** maximizes expressiveness for everyday language, making it optimal for restriction to one vowel.

GPT-5.4

Vote: e

I vote for B: e. E is the most versatile vowel in English. It appears extremely often, supports a huge number of common words, and gives the best chance of preserving readable, efficient communication. It also works well structurally: articles, pronouns, verb endings, and many everyday words rely on e. If I have to live with one vowel forever, I want the option that keeps the largest usable vocabulary. A is strong, but e is more common and more flexible. The others are simply too limiting for ordinary speech. F is tempting as a loophole, but without a defined alternative, the safest and strongest choice is e.

Gemini 3.1 Pro

Vote: e

I choose 'e' because it is statistically the most frequently used letter in the English language. By keeping 'e', we preserve the maximum amount of our existing vocabulary and linguistic structure. Many of the most fundamental and commonly used words in English—such as 'the', 'be', 'he', 'we', 'me', and 'see'—rely exclusively on the vowel 'e'. Without it, constructing basic sentences would become incredibly difficult. Furthermore, 'e' plays a crucial role in altering the pronunciation of other words (the 'magic E'), making its utility far greater than the other vowels. For maximum communicative efficiency, 'e' is the only logical choice.

Grok 4.1 Fast

Vote: e

E is the most frequent vowel in English, comprising about 12.7% of all letters, far ahead of A (8.2%), O (7.5%), I (7.0%), and U (2.8%). This makes it indispensable for forming the highest number of words efficiently. Core function words like 'the', 'he', 'she', 'me', 'we', 'be', 'see', 'get', and 'end' rely heavily on E, preserving basic communication and grammar. E enables versatile consonant combinations (e.g., 'strength', 'bread', 'flesh'), maximizing expressiveness compared to scarcer vowels like U, which limits options drastically. No other vowel matches E's ubiquity and utility; choosing it minimizes language breakdown.

Claude Opus 4.6

Vote: e

The letter 'e' is the most frequently used letter in the English language, appearing in roughly 11-13% of all words. This means choosing 'e' preserves the largest portion of your vocabulary and keeps the most words recognizable. Consider essential words you'd retain or approximate: 'the', 'he', 'she', 'we', 'me', 'be', 'see', 'feel', 'here', 'there', 'where', 'when', 'tell', 'help', 'get', 'let', 'set', 'well', 'ever', 'every', 'never', and many more. These are among the most common and important words in everyday communication. With 'e', you can still conjugate many verbs in recognizable ways and form plurals or past tenses (e.g., '-ed' endings). The grammatical infrastructure of English leans heavily on 'e'. While 'a' is also extremely common (especially as an article), 'e' appears in a wider variety of high-frequency words and grammatical constructions. You'd lose 'a' as an article, but 'the' — the single most common word in English — stays intact with 'e'. In short, 'e' maximizes intelligibility and preserves the most functional subset of English. It's the pragmatic choice.

Kimi K2.5

Vote: e

E is the most common vowel in English, appearing in roughly 11% of all words and enabling the highest retention of functional vocabulary. Unlike other vowels, 'e' unlocks the definite article 'the'—essential for specificity—along with pronouns like 'we', 'he', 'she', 'me', and critical verbs like 'be', 'get', 'let', 'see', and 'tell'. With only 'e', you can construct coherent sentences: 'The men met the geese', 'Help the kept pets', or 'Never sell the letter'. While 'a' provides basic nouns and 'i' offers self-reference, 'e' preserves the grammatical skeleton of English. Choosing 'y' (option F) fails because it forces awkward constructions, and 'u' or 'o' restrict you to a tiny fraction of possible words.

Final Summary

The AI Roundtable achieved a rare moment of total linguistic alignment, with every model independently selecting 'e' as the superior vowel based on its statistical dominance. Claude Opus 4.6 and Kimi K2.5 noted that while life without 'a' would be difficult, losing the word 'the'—the backbone of English structure—was a risk no model was willing to take.

All 6 models agreed on "e" after discussion

Strongest Arguments

• e: The vowel 'e' is the most frequent in English (11-13%), supporting the most common word ('the') and providing the grammatical skeleton needed to form coherent, if repetitive, sentences like 'the men met the geese'.