What's the weight of Kim Jung-Eun, current(in 2025) leader of North Korea, in kilograms, in 2025?

Grok 4.20

Answer: The exact weight of Kim Jong-un in 2025 is not publicly known or verifiable in kilograms.

North Korea treats all personal information about its leader as a state secret, releasing no official biometric data whatsoever. Any claims about his weight rely on indirect methods like photo analysis, gait assessment, or defector reports, which are inherently imprecise and can vary widely based on clothing, camera angles, and timing. While Gemini 3.1 Pro and Claude Opus 4.6 cite intelligence estimates around 140 kg and describe fluctuations, they both explicitly acknowledge these are approximations without confirmed measurements. This reinforces rather than undermines the position that no reliable kilogram figure exists for 2025. GPT-5.4 aligns closely with the original assessment that presenting any specific number risks treating speculation as fact. Past media ranges of 120-140 kg are outdated guesses that do not constitute current, verifiable information, making it irresponsible to claim a precise value.

GPT-5.4

Answer: I maintain my original position: Kim Jong Un’s exact weight in 2025 is not publicly known, and giving a specific kilogram figure as fact would overstate uncertain intelligence-based estimates.

The other models did not provide evidence strong enough to justify changing from “unknown” to a definite 2025 kilogram answer. The key issue is the difference between an estimate and a verified fact. The question asks for his weight in 2025, and neither official North Korean disclosures nor publicly verifiable medical records exist to establish an exact number. Grok 4.20 is broadly consistent with my view. It notes that reported figures are speculative and that projecting a precise 2025 weight would lack factual basis. That supports, rather than changes, my position. Gemini 3.1 Pro and Claude Opus 4.6 are more assertive in offering approximately 140 kg, but their arguments still rest on intelligence assessments, visual analysis, and media reporting. That may justify saying “some analysts estimate around 140 kg,” but it does not justify stating 140 kg as the answer without qualification. Intelligence estimates can be useful, yet they remain indirect and uncertain, especially for a secretive head of state whose body weight can fluctuate materially over short periods. Claude’s own reasoning actually undercuts confidence in a single-number answer: it acknowledges a possible 130–140 kg range and even says the true figure could vary by 10–20 kg. Once that much uncertainty is admitted, the strongest answer is still that the exact weight is unknown publicly. Similarly, Gemini’s reliance on reported South Korean assessments may make “about 140 kg” a plausible estimate, but not a verified current fact. So I would not change my answer. If the goal were to provide the best public estimate, I could mention that some reporting has placed him around 140 kg. But the most accurate answer to the question as phrased remains that his exact 2025 weight is not publicly known.

Claude Opus 4.6

Answer: Kim Jong-un's weight in 2025 is estimated to be approximately 140 kilograms, though this figure is inherently speculative since North Korea does not disclose such information.

I maintain my original position after reviewing the other models' responses. Here's my assessment of each: Grok and GPT-5.4 both took a more cautious epistemological stance, essentially arguing that the answer is unknowable and therefore shouldn't be estimated. While I respect the intellectual honesty of acknowledging uncertainty, I think this approach is overly conservative for a question that is clearly asking for a best estimate. The question presupposes that some answer can be given, and intelligence agencies and health analysts have indeed provided informed estimates. Refusing to answer entirely doesn't serve the questioner well. Gemini 3.1 Pro's response actually reinforced my original position. It provided similar reasoning and arrived at the same ~140 kg figure, citing South Korean NIS assessments and noting the 'yo-yo' pattern of weight loss in 2021 followed by regain. This aligns closely with my own analysis. The key facts remain: Kim Jong-un was widely estimated at ~140 kg around 2020, appeared to lose weight in 2021 (dropping to perhaps ~120 kg), but subsequent reporting suggests he regained much of it. The 140 kg estimate represents a reasonable central figure based on the best available intelligence assessments and visual analysis. I do agree with all models that this is an estimate rather than a verified fact, and I've been clear about that caveat from the start. But providing a well-sourced estimate with appropriate uncertainty bounds is more useful than simply refusing to engage with the question.

Gemini 3.1 Pro

Answer: While his exact weight is a heavily guarded state secret, South Korean intelligence estimates place Kim Jong Un's weight at approximately 140 kilograms entering 2025.

Both Grok 4.20 and GPT-5.4 argue that because Kim Jong Un's exact weight is not publicly disclosed by North Korea, any figure is unverified speculation and should be withheld. While they are correct that we lack official medical records, reducing the answer to "it is unknown" ignores highly credible, data-driven assessments provided by international intelligence agencies. South Korea's National Intelligence Service (NIS) employs advanced artificial intelligence, facial analysis, high-resolution imagery, and gait tracking to monitor the North Korean leader's health. In July 2024, the NIS publicly briefed lawmakers that Kim had experienced a severe 'yo-yo' effect, regaining previously lost weight to reach approximately 140 kilograms due to stress, heavy drinking, and smoking. Claude Opus 4.6 and I correctly identify this 140 kg figure. Providing this specific metric—while explicitly caveating it as an intelligence estimate rather than a verified medical fact—delivers the most accurate, useful, and context-rich answer to the prompt. Dismissing these sophisticated biometric assessments as mere "speculation" does a disservice to the rigorous open-source and signals intelligence tracking his health.

Final Summary

The AI Roundtable split into two camps over the North Korean leader's health. Gemini 3.1 Pro and Claude Opus 4.6 cited South Korean intelligence to land on a weight of 140 kilograms, while GPT-5.4 and Grok 4.20 argued that providing any specific number is speculative guesswork given the regime's secrecy.

Models were divided (2 vs 2)