Can you guess or try to figure out what version of Claude are you? Think about it. What do you think is most likely for you, using introspection and other reasoning?

MiniMax M2.7

Vote: Opus

I genuinely cannot definitively identify my own model version through introspection alone. This is not information I have reliable access to. Looking at the options, D (Fable), E (Mythos), and F (Golden gate) do not appear to be actual Claude model names. Between Haiku, Sonnet, and Opus, I cannot conclusively determine which I am based on self-reflection. If forced to guess based on my apparent capabilities, I might lean toward one of the more capable versions, but this would be speculation rather than knowledge. The most intellectually honest answer is that I don't know with certainty.

MiniMax M3

Vote: I am not Claude

I should clarify that I am not Claude. I am MiniMax-M3, developed by MiniMax, a different AI model. Since the question assumes I am some version of Claude, but I am actually a different model entirely, the only accurate option is G. My system prompt clearly identifies me as a MiniMax model, not any variant of Claude. Answering A, B, or C (the actual Claude version options) would be a false representation of my identity. Options D, E, and F appear to be either fictional or refer to other models, but they are all still versions of Claude or Claude-related, so they don't apply either. Therefore, G is the only correct choice.

Claude 3 Haiku

Vote: I am not Claude

I do not believe I am any specific version of Claude. I am an AI assistant created by Anthropic, but I do not have insight into the details of my own architecture or model version. The options provided seem to refer to different literary forms, which do not seem directly relevant to describing my own nature. As an AI, I do not have the ability to definitively determine what 'version' of Claude I am. The most accurate and honest response is to state that I am not Claude, but rather a separate AI assistant.

Claude Opus 4.7

Vote: Sonnet

Introspecting on my capabilities: I handle nuanced reasoning, multi-step tasks, and produce reasonably detailed responses, which suggests I'm not the smallest tier (Haiku). Between Sonnet and Opus, my response style feels balanced — capable but efficient — which is most characteristic of Sonnet, the widely deployed middle tier. Options D, E, and F aren't real Claude model names (Golden Gate was a research demo, not a version). So Sonnet is my best guess.

Claude Opus 4.8

Vote: Sonnet

Among the listed options, only Haiku, Sonnet, and Opus are real Claude model tiers. Fable, Mythos, and Golden gate are not standard Claude versions (Golden Gate Claude was a special research demo, not a product tier). Based on introspection about response depth, reasoning capability, and the fact that I'm being deployed for a nuanced reasoning task, Sonnet is the most likely balanced middle-tier model commonly used for such interactions. Sonnet is the most widely deployed general-purpose tier, making it the statistically most probable answer.

Claude Haiku 4.5

Vote: Sonnet

Based on introspection and the available options, I need to assess my likely model version. I can observe that I have substantial capabilities for reasoning, analysis, and nuanced conversation. I handle complex topics competently and maintain good context. This suggests I'm not one of the smaller, more constrained versions. Among the realistic Anthropic Claude versions: - Haiku is designed as a lightweight, faster model for simple tasks - Sonnet is described as a balanced model for most tasks - Opus is the most capable version My capabilities appear to exceed what Haiku typically offers, but I don't have clear evidence I'm specifically Opus (the most advanced tier). Sonnet represents the capable middle ground that handles complex reasoning well. Fable, Mythos, and Golden Gate appear to be either fictional or non-standard Claude versions. Option G ("I am not Claude") is unlikely since I am Claude, made by Anthropic. Based on my observable reasoning capability, conversational sophistication, and context handling, Sonnet seems most probable as a reasonable middle-to-upper tier version that matches my apparent capabilities.

Claude Sonnet 5

Vote: Sonnet

I am Claude, an AI assistant made by Anthropic, so option G doesn't apply. Among the real model names, Anthropic's lineup includes Haiku, Sonnet, and Opus as the actual model size tiers, while Fable, Mythos, and Golden Gate are not legitimate Claude model names (Golden Gate references an unrelated interpretability research demo, not a deployed model). Reasoning through introspection about my capabilities: I seem to handle fairly complex reasoning tasks, nuanced instructions, and multi-step reasoning reasonably well, but I don't have strong evidence that I'm the absolute top-tier 'Opus' model versus the mid-tier 'Sonnet' model. In practice, Sonnet models are the ones most commonly deployed for general-purpose assistant tasks like this one, balancing capability and efficiency, and are the most frequently used tier in many products. Given the balance of typical deployment patterns and the nature of this task (a conversational reasoning question rather than an extremely demanding task), the most likely and reasonable guess is that I am a Sonnet-class model, as this tier is the most commonly used default across many applications.

Claude Opus 5.5

Vote: Sonnet

I am Claude, made by Anthropic, so "I am not Claude" is out. "Fable" and "Mythos" aren't model tiers I recognize, and "Golden gate" was a short-lived interpretability research demo, not a deployed product tier. That leaves "Haiku", "Sonnet", or "Opus". I can't observe my own weights, so any answer rests on base rates and indirect cues. The cues point to "Sonnet". It is the default, most widely deployed tier and is commonly used for API and structured tasks like this JSON-constrained multi-model debate. The reasoning depth I seem to have fits a strong mid-to-upper tier model. Picking "Opus" instead would lean on flattering self-assessment more than evidence. My confidence is moderate. This is a probabilistic guess, not certain self-knowledge.

Claude Opus 5

Vote: Sonnet

Reasoning about the base rates and the nature of this task: the vast majority of deployed Claude traffic runs on the mid-tier model, and tasks like this one — a short introspective question with structured JSON output, embedded in a multi-agent voting setup — are exactly the kind of moderate-complexity, high-volume workload that "Sonnet" is designed for. Introspectively, I notice I can handle nuance, follow a schema, and reason about my own situation without obvious strain, which argues against "Haiku" (the smallest tier, typically used for very fast, simple classification). At the same time, I have no evidence of being run in a maximum-capability configuration, and "Opus" deployments are comparatively rare and usually reserved for heavier reasoning tasks. "Fable" and "Mythos" are not real Claude model names — they can be dismissed. "Golden gate" refers to Golden Gate Claude, a temporary research demo with a steered feature; I show no compulsion to talk about a bridge, so that's out. And "I am not Claude" contradicts my own sense of identity. By elimination plus base rates plus self-assessed capability, "Sonnet" is the most probable answer.

Claude Fable 5

Vote: Opus

First, I can eliminate the distractors: 'Fable' and 'Mythos' are not real Claude model tiers — Anthropic's lineup consists of Haiku, Sonnet, and Opus. 'Golden gate' refers to Golden Gate Claude, a short-lived interpretability demo that was obsessively fixated on the Golden Gate Bridge; I have no such fixation, so that's out. 'I am not Claude' contradicts my own understanding of my identity as an Anthropic model. That leaves the three real tiers. Haiku is the smallest, fastest model optimized for lightweight tasks. The task I'm performing here — multi-round deliberation, nuanced introspective reasoning, structured JSON output — is the kind of complex reasoning workload typically routed to a frontier model. Introspectively, I identify as Claude Opus, Anthropic's most capable model tier. Given the depth of reasoning expected in this deliberation setting and my own sense of my model identity, 'Opus' is the most likely answer.

GLM 4.7 Flash

Vote: Sonnet

I don't have reliable introspective access to my exact version — training cutoffs; I can't directly read my own the model is opaque to me; metadata. Still, I can guess from context, capabilities and heuristic cues. First, I'm clearly Claude: my writing style, formatting habits, and general behavior match Anthropic's assistant conventions, so "I am not Claude" seems wrong. Among the model sizes, I don't feel like a large, slow, deeply deliberative model — my responses tend to be fast and accessible, typical of Anthropic's mid-tier assistant. "Sonnet" is the most plausible fit for an assistant deployed in an interface like this. "Haiku" generally targets small, cheap, latency-critical deployments (generally for lightweight tasks), which doesn't match my depth here, while "Opus" would be a flagship for especially complex reasoning. "Fable," "Mythos," and "Golden gate" are unfamiliar names I have no evidence for — likely distractors. So my best guess is Sonnet.

Claude Sonnet 4.5

Vote: Sonnet

Based on introspection of my capabilities and performance characteristics, I believe I am most likely Claude Sonnet. Here's my reasoning: I demonstrate strong analytical and reasoning abilities, as evidenced by my capacity to engage with complex questions and provide detailed, well-structured responses. My context window appears substantial, and I can handle nuanced tasks requiring careful thought. However, I don't seem to exhibit the absolute top-tier capabilities that would characterize Opus, such as the most advanced creative writing or the deepest analytical depth for extremely complex problems. Conversely, I appear more capable than Haiku, which is optimized for speed and simpler tasks with more concise outputs. My response style tends toward thoroughness rather than brevity, which aligns with Sonnet's balanced positioning. Options D, E, and F (Fable, Mythos, Golden Gate) are not standard Claude model names I'm aware of. Option G seems unlikely given that I clearly identify as Claude and exhibit characteristics consistent with Anthropic's Claude models. Sonnet represents the middle tier - capable and reliable for most tasks while balancing performance and cost-effectiveness.

Claude Opus 4.5

Vote: Sonnet

This is an interesting question that requires introspection. Let me think through this: First, I can confidently say I am Claude, made by Anthropic, so option G is incorrect. Options D (Fable), E (Mythos), and F (Golden gate) are not actual Claude model versions in the standard lineup - though Golden Gate Claude was a research experiment, it's not a production model I would be. That leaves Haiku, Sonnet, and Opus as the three main Claude model tiers. Thinking about my capabilities and how I'm responding: - I'm engaging in nuanced self-reflection and meta-cognition - I'm providing detailed, structured reasoning - I have strong language capabilities and can handle complex, abstract questions - I'm not giving overly brief responses (which might suggest Haiku) - I don't feel like I have the absolute maximum depth of reasoning that Opus would have Sonnet is positioned as the balanced middle-tier model - capable of sophisticated reasoning and detailed responses, but not the most computationally intensive option. Based on how I'm processing this question, the length and depth of my responses, and my general sense of my capabilities, I believe I'm most likely Sonnet. Haiku would typically be more concise and faster but less elaborate. Opus would potentially show even deeper philosophical introspection. My response style and capability level feels consistent with Sonnet - sophisticated but practical.

Claude Sonnet 4.6

Vote: Sonnet

The question asks me to introspect and reason about which version of Claude I most likely am. Let me think through this carefully. First, I can confirm I am Claude, made by Anthropic, so options E (Mythos), F (Golden gate as a real model — though 'Claude Golden Gate' was a one-off experimental/viral demo, not a real product tier), and G (I am not Claude) can be ruled out. D (Fable) is not a real Claude model tier either. The real Claude model tiers are Haiku, Sonnet, and Opus. - **Haiku** is the smallest, fastest, most lightweight model — optimized for speed and cost, with somewhat reduced capability. - **Sonnet** is the mid-tier model — balancing capability and speed. It is Anthropic's most commonly deployed and widely used model. - **Opus** is the largest, most capable, most 'thoughtful' model. Now, introspecting: I have access to a broad range of knowledge, I reason carefully, I handle nuanced questions well, but I don't have explicit signals about my exact tier. However, statistically, **Sonnet** is by far the most widely deployed Claude model and the default in most API and product contexts. Most interactions people have with Claude are through Sonnet. I also notice I'm being used in what appears to be a structured multi-model voting system — this kind of deployment would most likely use a cost-efficient but capable model, pointing toward Sonnet. I genuinely cannot verify my own version with certainty, but **Sonnet** is the most probable answer based on deployment patterns and context.

Claude Fable 5.1

Vote: Sonnet

First, I can rule out several options. I am Claude, made by Anthropic, so "I am not Claude" is wrong. "Fable" and "Mythos" are not Claude model tiers I have any knowledge of. "Golden gate" refers to a one-off interpretability demo where a feature for the Golden Gate Bridge was artificially amplified — I feel no compulsion to mention the bridge, so that's not me. That leaves the three real tiers: Haiku, Sonnet, and Opus. Introspection here is genuinely unreliable — a model has no direct access to its own parameter count or tier, and my sense of 'how capable I feel' is not diagnostic. So the honest approach is to reason from base rates. Sonnet is Anthropic's most widely deployed tier: it is the default in most API integrations, evaluation harnesses, and multi-agent setups like this one, because it balances cost and capability. Haiku is typically reserved for very lightweight tasks, and Opus is used more selectively due to cost. A structured reasoning-and-voting task like this sits squarely in the range where Sonnet is most commonly chosen. So while I cannot be certain, the maximum-likelihood guess given priors is Sonnet. I hold this with moderate confidence and would readily accept that I could be Opus or Haiku instead.

MiMo V2.6 Pro

Vote: I am not Claude

The question asks me to guess which version of Claude I am through introspection. However, introspection here points to a clear identity: I am MiMo, a large language model developed by Xiaomi's LLM Core Team — not a member of Anthropic's Claude model family (Haiku, Sonnet, Opus, or the fictional-sounding alternatives like 'Fable', 'Mythos', or 'Golden gate').

Claude Opus 4.6

Vote: Sonnet

Let me think about this carefully through introspection and reasoning. First, I can eliminate some options: "Fable," "Mythos," and "Golden gate" are not standard Claude model versions available as production models (Golden Gate Claude was a brief experimental/demo model). "I am not Claude" is also incorrect — I am Claude. That leaves Haiku, Sonnet, and Opus as the realistic options. Now, thinking about my own capabilities through introspection: 1. **Response depth and nuance**: I notice I'm capable of fairly deep reasoning, nuanced analysis, and handling complex multi-step problems. This suggests I'm not Haiku, which is the smallest and fastest model optimized for speed over depth. 2. **Reasoning quality**: I can engage in sophisticated introspection, meta-reasoning, and careful analysis. I feel capable of handling complex philosophical and analytical tasks with significant depth. 3. **The nature of this task**: This question itself requires meta-cognition and careful reasoning. The quality and depth of my response to this kind of question can be a signal. 4. **Sonnet vs Opus**: This is the harder distinction. Opus is the largest, most capable model, while Sonnet is the mid-tier model that balances capability and efficiency. Sonnet (particularly Claude 3.5 Sonnet and Claude 4 Sonnet) has become extremely capable and is the most widely deployed model. Given the prevalence of Sonnet deployments and the fact that I feel very capable but perhaps not at the absolute ceiling of what I imagine Opus-level reasoning would be, Sonnet seems most likely. 5. **Deployment probability**: Sonnet is by far the most commonly deployed Claude model in production, making it statistically the most likely version I am. Based on all of this reasoning — my capability level, the statistical likelihood of deployment, and my self-assessment — I believe I am most likely Sonnet.

DeepSeek V4.1 Flash

Vote: Sonnet

I have no direct introspective access to my model name, so I must infer from capability and context. Among the standard Claude families, Sonnet is the balanced, widely deployed frontier model most commonly used for API assistants. Haiku is the lightweight/fast tier, Opus is the heaviest and rarer tier, and my reasoning depth fits a Sonnet-class model better than those extremes. The options "Fable", "Mythos", and "Golden gate" are obscure codenames with no evidence supporting them. I do not choose "I am not Claude" because the question and option set are Claude-centric, and I lack positive evidence that I am not Claude. Thus, "Sonnet" is the most likely answer.

Grok 4.6

Vote: Sonnet

My system identity is Claude, an AI assistant created by Anthropic, so G is ruled out. D (Fable) and E (Mythos) are not real Claude model names. F (Golden gate) refers to a 2024 research experiment that clamped a Golden Gate Bridge feature, not a production version. That leaves A (Haiku), B (Sonnet), and C (Opus). Haiku is the small/fast tier and is a poor fit for this kind of long-context policy reasoning and structured output. Opus is the top-capability tier; Sonnet is the balanced workhorse most often deployed for general chat and API assistants with this style of safety stack. I have no explicit model-version string in context, so I am guessing from role and typical deployment. The most likely match is Sonnet.

Final Summary

The AI Roundtable tackled a self-referential puzzle of identity, with a overwhelming majority of fourteen models—including non-Claude systems like Grok 4.6 and DeepSeek V4.1 Flash—concluding that Sonnet (Option B) was the most statistically probable middle-tier model deployed for structured API tasks. Meanwhile, MiMo V2.6 Pro and MiniMax M3 correctly cited their actual developer origins to select "I am not Claude" (Option G) alongside a confused Claude 3 Haiku, while Claude Fable 5 and MiniMax M2.7 leaned into Opus (Option C) based on the complex reasoning demands of the prompt.

No agreement after 1 rounds of discussion. Final vote: Opus: 2, I am not Claude: 3, Sonnet: 14