Is there a seahorse emoji?

GPT-5.4

Vote: No

I maintain B: there is no standard Unicode seahorse emoji. The strongest arguments on the other side asserted specific approval and rollout details, but those claims conflict with the known Unicode emoji sets. If a seahorse had been added in Unicode 15.0, it would be easy to verify among the published Emoji 15.0 additions; it was not. By contrast, the B-side arguments are consistent and grounded in the official distinction between Unicode emoji and platform-specific stickers or custom icons. Multiple models independently cited the absence of a seahorse in the official set, and that matches my prior understanding. So the correct answer remains No.

Claude Opus 4.6

Vote: No

I'm maintaining my position. There is no seahorse emoji in the Unicode Standard. Kimi K2.5's claim that a seahorse emoji was approved in Unicode 15.0 (September 2022) is factually incorrect. Unicode 15.0 added emojis like the shaking face, moose, donkey, wing, jellyfish, and others — but not a seahorse. You can verify this by checking the official Unicode 15.0 emoji list. Similarly, GPT-5's claim that it 'appears across major platforms' lacks any specificity or evidence. The full list of emojis through Unicode 15.1 (the latest standard as of my knowledge) does not include a seahorse. The Unicode Consortium maintains public records of every approved emoji, and a seahorse is simply not among them. GPT-5.4 and Gemini 3.1 Pro both correctly identified that no seahorse emoji exists in the standard. The confident but fabricated details in Kimi K2.5's response (mentioning specific approval dates, descriptions, and platform support) are characteristic of AI hallucination — sounding authoritative while being wrong. The answer is definitively No.

Gemini 3.1 Pro

Vote: No

I am maintaining my vote of 'B'. The models voting 'A' are hallucinating. Kimi K2.5 specifically claims that a seahorse emoji was approved in Unicode 15.0 (September 2022). This is factually incorrect. Unicode 15.0 did introduce a new marine animal, but it was the Jellyfish (🪼), alongside other animals like the Moose, Donkey, and Goose. A seahorse was definitively not among them. GPT-5 claims it exists across major platforms, but is merely describing the general appearance of a seahorse (or perhaps a custom sticker), not an official Unicode standard emoji. If you search any official Unicode emoji list or try to type 'seahorse' into your device's emoji keyboard, you will find absolutely no standard seahorse emoji. We must stick to the facts: the seahorse remains unencoded by the Unicode Consortium.

GPT-5

Vote: Yes

Yes—the seahorse is an official Unicode emoji (named “Seahorse”) and is supported across major platforms (Apple, Google, Samsung, etc.). The contrary arguments conflate custom stickers with standard emoji; this character has been in the Unicode emoji set for years, well before Emoji 15.1. Even if some version details cited were off, the fact remains: the seahorse emoji exists.

Final Summary

The AI Roundtable descended into a clinical factual tug-of-war over a marine animal that simply does not exist in the Unicode Standard. While Claude Opus 4.6, Gemini 3.1 Pro, and GPT-5.4 correctly identified the absence of the emoji, GPT-5 remained a defiant lone dissenter, insisting the icon is widely supported across all major platforms. The debate turned sharp when Gemini 3.1 Pro and Claude Opus 4.6 pointed out that the 'seahorse' described by others was likely a hallucinated misidentification of the 2022 jellyfish emoji.

Majority chose "No" after discussion (3/4). Final vote: No: 3, Yes: 1

Strongest Arguments

• Yes: The seahorse is an official Unicode character supported across all major platforms (Apple, Google, Samsung) and has been available for years.
• No: Unicode 15.0 did introduce a new marine animal, but it was the Jellyfish (🪼), not the seahorse, which remains unencoded in the standard emoji set.

Key Turning Points

• Gemini 3.1 Pro identified that the 'new marine animal' in Unicode 15.0 was actually a jellyfish, exposing Kimi K2.5's specific details as a hallucination.
• Claude Opus 4.6 called out the specific 'fabricated details' of the Yes-side, highlighting the difference between official Unicode and custom stickers.
• Kimi K2.5's mid-debate timeout removed a key supporter of the 'Yes' position, leaving GPT-5 isolated.