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FICHA ANÓNIMA / ANONYMOUS LISTING Space Bunny Alpha; PISTA / CLUE Hipótesis de un usuario / One user hypothesis; IDENTIDAD / IDENTITY Sin confirmar / Unconfirmed
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Technology / Background

Rumor: is Space Bunny a MiniMax AI? The clue is in the tokens

A user proposes an identity for OpenRouter’s anonymous model. The comparison offers a clue, but does not close the case.

Independent editorial · Para Tu Rato2 min read

A space bunny with a codename

Space Bunny Alpha has a name, but no public manufacturer. OpenRouter retains its listing as an anonymous provider’s model, dated 23 September. The intriguing question is simple: is there a MiniMax AI behind it? A Reddit post proposes that identity using a technical clue rather than a company announcement.[1][2]

The counter pointing towards a family

On r/opencode, u/Valuable-Mirror-448 describes comparing seven text strings. The user says differences between token counts match MiniMax M2 and M3. The specific hypothesis is M3.1, but the author acknowledges that this comparison cannot distinguish M2 from M3. This is a user’s test account, not a confirmed identification or a reproduction performed by this newspaper.[2]

What a token can tell us

Think of tokens as pieces into which AI divides text for processing: a piece may be a word or part of one. Systems that split text alike can leave similar traces. That helps form a hypothesis; it does not by itself reveal the version behind it, its operator or how it will answer your questions.

Stealth does not mean open weights

Here, stealth describes the hidden provider, not a licence to download the model. OpenRouter acts as a router. The listing also says the provider may retain prompts and responses, while stating they are not used for training. Identity, available files and data use are separate questions: answering the first does not resolve the other two.[1][3]

The listing remains; the catalogue entry does not

In the public catalogue checked on 13 October, we found no Space Bunny entry. Its descriptive page remains visible. This difference proves neither permanent withdrawal nor access today. The rumour is worth following for its concrete clue; resolving it would require provider confirmation rather than more headlines repeating the same thread.[4]

Sources and checks · 4

Links point to sources. They are not endorsements or sponsorships.

  1. [1] OpenRouter · Space Bunny Alphaofficial · Checked on 13 October 2026
  2. [2] u/Valuable-Mirror-448 · publicación original en Redditforum · Checked on 13 October 2026
  3. [3] OpenRouter · condiciones de modelos stealthdocumentation · Checked on 13 October 2026
  4. [4] OpenRouter · catálogo público de modelosdocumentation · Checked on 13 October 2026

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Text written with AI assistance. Editorial responsibility: José Antonio Domínguez Carbonell. How we work.