Show HN: AI Verdict – Run ChatGPT, Claude, Gemini and Perplexity Side-by-Side AI Verdict launches a browser extension that queries ChatGPT, Claude, Gemini, and Perplexity simultaneously from a single interface, eliminating the need to switch between tabs. The tool displays all four AI responses side-by-side and offers a Verdict Engine that synthesizes a consensus answer, highlighting areas of agreement and contradiction. The free tier supports ChatGPT and Gemini, while the Pro tier unlocks all four models and the synthesis feature. Stop switching between AI tabs. AI Verdict asks ChatGPT, Claude, Gemini, and Perplexity at the same time, then turns their answers into one clear verdict. Four AI models. One prompt. Responses stream in simultaneously. Two panels side by side — compare answers directly, then scroll down for The Verdict. The Verdict Engine — Key Mentions, Common Ground, Insight Gap, and a Final Verdict. River layout — read responses top to bottom for deeper comparison. Light mode — switch themes any time with the toggle in the top bar. Pick your models, set your Verdict Lead, and customize the synthesis prompt. Three steps from install to insight. ChatGPT, Gemini, and Perplexity work right away with no login needed. To use Claude or save your history, just sign into those accounts in your browser. Ask your question once in the AI Verdict panel. It sends your prompt to all active models simultaneously. You watch all responses stream in at the same time, in one place. See responses side-by-side and instantly spot where models agree or contradict each other. Pro users can trigger The Verdict Engine for a synthesized consensus that highlights the most reliable answer. Free tier: ChatGPT and Gemini. Pro: all four models plus The Verdict Engine. Built for people who take their AI research seriously. One interface, all your models, zero tab-switching. Query multiple AI models simultaneously. No copying, no switching tabs, no repetition. Free: ChatGPT and Gemini · Pro: all four Watch your active models generate responses live, side-by-side as they stream in. No waiting for one to finish before seeing the next. One AI synthesizes all four responses into a single consensus, surfacing agreement, disagreement, and the most reliable answer. Pick which AI generates the verdict. Trust the model you trust most to deliver the final synthesis. Write your own verdict instructions. Ask for a structured comparison, a pros and cons list, a recommendation, or a devil's advocate view. Uses your existing browser sessions. If you already use these AIs, you are already set up. Zero extra billing from AI providers. Switch between a grid view for scanning all models at once, or a stacked river view for focused, deep reading. Follow up with your active models in the same conversation thread. Context is maintained across turns automatically. Getting four different answers is useful. Knowing which answer to trust is the hard part. The Verdict Engine sends all responses to a lead AI you choose and synthesizes a single, reasoned conclusion. Lead model and prompt are fully customizable per query Prompt: "What are the long-term health effects of intermittent fasting?" Intermittent fasting IF can have both benefits and downsides long term, depending on the person, fasting style, diet quality, sleep, stress, and existing health conditions. Common forms: 16:8, 5:2, and alternate-day fasting. Potential long-term benefits • Weight management — Many naturally eat fewer calories and lose body fat. • Improved insulin sensitivity — May lower risk factors linked to Type 2 Diabetes, especially in overweight individuals. • Heart health markers — Improvements in blood pressure, triglycerides, LDL cholesterol, and inflammation. • Cellular repair — Fasting may trigger autophagy. Promising in animal studies; human evidence still limited. • Brain health — Early research suggests benefits for focus, brain metabolic health, and reduced neurodegenerative risk. Possible downsides • Fatigue, irritability, difficulty concentrating during adaptation • Overeating during eating windows; social or lifestyle stress • Poor nutrient intake if meals are unbalanced • Loss of muscle mass without adequate protein and resistance training • May worsen disordered eating, hormonal balance, sleep, or cortisol • Some women report menstrual irregularities with aggressive fasting What matters most Total calorie intake, food quality, protein intake, exercise, sleep, and sustainability — not when you eat. Who should be careful Type 1 Diabetes, eating disorder history, pregnancy or breastfeeding, underweight individuals, certain medications. Intermittent fasting IF has been studied with growing interest, and research points to several potential long-term health effects — both benefits and considerations. Potential Benefits • Metabolic health: Improves insulin sensitivity, lowers blood sugar, reduces type 2 diabetes risk • Weight management: Lower body weight and reduced visceral fat linked to lower cardiovascular risk • Cardiovascular health: Lower LDL cholesterol, triglycerides, blood pressure, and inflammatory markers • Cellular repair: Autophagy linked to longevity and disease risk reduction; long-term human data still developing • Brain health: May support cognitive function, reduce neuroinflammation, and potentially lower Alzheimer's risk — animal studies promising • Longevity: Longer lifespan in animal models; early human data suggestive, not conclusive Things to Watch • Muscle loss without adequate protein and resistance exercise, especially in older adults • Bone density concerns with long-term restrictive eating • Hormonal disruption in some women with aggressive fasting • Nutrient deficiencies with too-narrow eating windows • Not appropriate for those with eating disorder history The Bottom Line Research is promising but long-term human studies are still limited. Effects vary by IF type, diet quality, age, sex, and individual health status. Research into long-term intermittent fasting IF effects is evolving. Short-term benefits are well-documented; multi-year outcomes are more complex and sometimes contradictory. Potential Long-Term Benefits • Metabolic Flexibility: Body switches more efficiently between burning glucose and fat, improving energy and metabolic health over time • Cellular Repair Autophagy : Hypothesized to reduce neurodegenerative disease risk and slow aging processes • Cardiovascular Health: Lower resting heart rates and reduced blood pressure in some cohorts; potentially lower lifetime heart disease risk • Blood Sugar Management: Helps maintain stable HbA1c levels, critical for preventing or managing Type 2 diabetes Long-Term Risks • Cardiovascular Mortality: Very restrictive eating windows ≤8h/day associated with higher cardiovascular death risk vs standard 12–16h windows, particularly in older adults • Muscle Mass Loss: Without adequate protein and resistance training, risk of sarcopenia and frailty increases • Nutritional Deficiencies: Difficult to get sufficient vitamins, minerals, and fiber — may lead to bone density loss over years • Hormonal Impact: May disrupt reproductive hormones; lower testosterone in men or irregular cycles in women Expert Perspective Major recent reviews conclude IF does not significantly outperform traditional calorie-controlled dieting for long-term weight maintenance in the general population. Intermittent fasting IF shows mixed long-term effects — benefits like weight loss and improved cardiometabolic markers, but concerns around cardiovascular risks and lean mass loss. Most human data comes from trials lasting 6+ months in overweight adults; evidence beyond one year remains limited. Key Benefits Reduces body weight ~2.8 kg, BMI 1.4 kg/m², fat mass 3 kg, waist circumference 3.9 cm, fasting glucose 0.14 mmol/L, triglycerides 0.12 mmol/L, and diastolic BP 2.2 mmHg vs usual diets. Slightly edges continuous calorie restriction in fat mass loss −0.7 kg and HDL increases +0.03 mmol/L . Potential Risks • Analysis of 20,000+ US adults linked <8-hour eating windows to 91% higher cardiovascular death risk vs 12–16h — especially with heart disease or cancer • Long-term IF may cause lean mass loss −0.8 kg , raising sarcopenia concerns • Rodent data shows heart fibrosis after prolonged alternate-day fasting • No superiority over continuous calorie restriction for cardiometabolic gains Bottom Line IF works mainly via calorie reduction, not unique timing effects. Consult a doctor before starting, especially with heart issues or medications. · 14 sources cited You are an expert at finding common ground. Your goal is to combine multiple AI answers into one clear, single "Verdict". Current User Query: "What are the long-term health effects of intermittent fasting?" AI responses — collected automatically, one per model Task: 1. Common Ground: Briefly list what all models agree on. 2. The Insight Gap: Highlight unique points or different views from individual models. 3. The Final Verdict: Provide a balanced summary that includes the best parts of every answer. Focus on being accurate and clear, and mention any main differences between the models. Format using clean markdown with H3 headers . Common Ground All four models agree: • IF can support weight loss and fat reduction , though it performs similarly to standard calorie restriction when calories are matched • IF improves insulin sensitivity, blood sugar, triglycerides, blood pressure, and LDL cholesterol over time • Autophagy cellular repair is a promising mechanism, but long-term human evidence is still limited • Muscle loss is a real risk without adequate protein and resistance training • Hormonal disruption especially in women , nutrient deficiencies , and disordered eating are legitimate concerns • IF is not suitable for everyone — pregnant individuals, Type 1 diabetes, eating disorder histories • Long-term human data beyond one year remains sparse The Insight Gap Perplexity stands out by citing a specific, quantified finding: a large observational study 20,000+ US adults linking eating windows under 8 hours to a 91% higher cardiovascular death risk . It also provides concrete numbers e.g., ~2.8 kg average weight loss, −0.8 kg lean mass that the other models leave vague. Gemini echoes the cardiovascular mortality concern and adds that the risk applies especially to older adults — a useful nuance. It also explicitly notes the risk of bone density loss from long-term restriction, which only Claude also mentions. ChatGPT is the most practical and lifestyle-oriented, emphasizing social stress, sustainability, and the importance of eating quality over eating timing as the dominant factor. It's the most accessible but least specific on risks. Claude is the most measured scientifically, noting that longevity benefits seen in animal models haven't been confirmed in long-term human trials , and flagging neuroinflammation and Alzheimer's risk reduction as areas of early-stage promise. The Final Verdict Intermittent fasting has a genuinely promising — but still incomplete — long-term health profile. Likely benefits with consistent practice: Modest improvements in body weight, visceral fat, insulin sensitivity, blood pressure, and cardiovascular risk markers. These effects are real, but roughly equivalent to what a well-structured calorie-controlled diet achieves. IF is a method, not a metabolic miracle. Promising but not yet proven in humans: Autophagy-driven cellular repair, protection against neurodegenerative disease, and longevity effects are exciting areas of research — strongly supported in animal models, but without definitive long-term human confirmation yet. Genuine risks that deserve attention: The most important caveat, flagged by Perplexity and Gemini, is a large observational study linking very narrow eating windows under 8 hours to significantly elevated cardiovascular death risk — particularly in older adults or those with existing heart disease. This doesn't mean IF is dangerous for everyone, but more aggressive protocols may carry risk that moderate ones don't . Muscle loss, bone density reduction, hormonal disruption, and nutritional gaps are additional real concerns, especially without thoughtful meal planning. The practical takeaway: For most healthy adults, a moderate IF approach 12:14 or 16:8 with adequate protein and whole foods can be a sustainable and beneficial eating structure. Stricter protocols warrant more caution, especially with age or existing health conditions. Food quality, total nutrition, exercise, and sleep remain more influential than meal timing alone. Anyone with a complex health history should consult a physician before committing long-term. Prompt: "Should I learn Python or JavaScript as my first programming language?" If you're undecided, Python is usually the better first language for most people. Why Python is a great first choice • Cleaner and easier-to-read syntax • Less boilerplate and weird edge cases • Lets you focus on programming concepts instead of language quirks • Very versatile: AI / machine learning, automation, scripting, data analysis, backend development Simple example: name = input "Your name: " print "Hello", name Why JavaScript is also a strong choice Choose JavaScript first if your main interest is: websites, web apps, frontend UI, interactive browser projects. JavaScript powers the web, so you can immediately see visual results in a browser. Example: document.body.innerHTML = "