Which rice cooker should I buy? Please consider the following well-known Japanese brands: Zojirushi, Tiger. Durability is the primary requirement and should be treated as a given baseline. In addition, I value good taste and a reasonable level of functionality—neither overly complex nor excessively minimalistic. The rice cooker must have a capacity of 10 cups (1 sho), and the price should be under 30,000 yen. Given these conditions, which brand and model would be the most appropriate choice?

Llama 4 Scout

Vote: zojirushi

Both Zojirushi and Tiger are reputable Japanese brands known for their high-quality rice cookers. Given the requirements of durability, good taste, reasonable functionality, a capacity of 10 cups, and a price under 30,000 yen, Zojirushi stands out. Zojirushi's models often come with advanced features that enhance the cooking experience, such as fuzzy logic technology for precise temperature control, multiple cooking settings, and a keep-warm function. Their products are generally well-regarded for their ability to produce high-quality rice. While Tiger also offers excellent rice cookers, Zojirushi's brand reputation and feature set align more closely with the specified criteria, making it the more appropriate choice.

Qwen 3 235B

Vote: zojirushi

Zojirushi rice cookers are renowned for their superior thermal insulation and precise microcomputer-controlled heating, which consistently produce well-cooked rice with excellent texture and taste. This is particularly important for users who prioritize flavor alongside durability. The Zojirushi TL-X10 model meets the 10-cup (1 sho) requirement and falls within the 30,000 yen budget, offering balanced functionality including multiple menu settings, a delay timer, and keep-warm and reheat features—offering usability without unnecessary complexity. Compared to Tiger's offerings in the same price range, Zojirushi models generally receive higher user ratings for long-term performance and even heat distribution, translating to better taste over time. The build quality and proven track record in temperature control give Zojirushi an edge under these specific constraints.

GPT-4o

Vote: zojirushi

Zojirushi is renowned for its advanced rice cooking technology, ensuring consistently good taste. Its models typically include versatile settings that strike a balance between functionality and ease of use, making them neither overly complex nor excessively minimalistic. Zojirushi's durability is well-documented, meeting the primary requirement effectively. Additionally, they offer models in the desired price and size range, which enhances its suitability given the constraints.

DeepSeek V3.1

Vote: zojirushi

Zojirushi is renowned for its advanced fuzzy logic technology, which consistently delivers superior rice texture and flavor. Their 10-cup models, like the NS-ZCC10, often feature multiple cooking modes (white, mixed, porridge) without unnecessary complexity, striking the ideal balance of functionality. These models are typically priced under 30,000 yen and are built to last, with durable inner pots and reliable components that meet the durability baseline. Tiger also produces excellent rice cookers, but Zojirushi's focus on precision cooking and user-friendly interfaces gives it an edge for taste and practical functionality within the specified constraints.

Claude Haiku 4.5

Vote: zojirushi

Zojirushi is the more appropriate choice for your specific requirements. Both brands excel in durability and are trusted Japanese manufacturers, but Zojirushi offers superior rice quality through its advanced heating technology and precise temperature control, which directly aligns with your priority for good taste. Zojirushi's 10-cup models, such as the NS-TSC10, provide an excellent balance of functionality—offering useful features like multiple cooking modes and keep-warm settings without overwhelming complexity. The brand is renowned for consistent, fluffy rice results across various grain types. While Tiger also produces solid 10-cup rice cookers, Zojirushi's reputation for superior taste quality and user-friendly interfaces makes it the better fit when balancing your stated priorities: durability (both deliver), taste (Zojirushi edges ahead), and reasonable functionality (Zojirushi excels). Additionally, Zojirushi models typically remain well within the 30,000 yen budget constraint while maintaining excellent value.

Sonar Pro

Vote: zojirushi

Durability is the primary requirement, and Zojirushi excels here with thicker materials, better seals, more durable electronics, and a stainless steel pot lasting 8-10 years without peeling[1]. Tiger has solid build quality but lacks these premium durability features[1][3]. Zojirushi delivers superior **rice taste** through advanced Neuro Fuzzy logic, producing sweeter, fluffier, more consistent rice (98% perfect batches) with even heating via triple heaters or IH[1][2]. Tiger offers good taste but uneven moisture and less sweetness[1][3]. Functionality is balanced in Zojirushi models like NP-HCC10XH or NS-ZCC10 (10-cup capacity), with 12+ modes (GABA, porridge, etc.), 24-hour keep-warm, self-cleaning, and detachable lid—neither overly complex nor minimal[1][2][3][4]. Tiger's JBV-S10U (10-cup, ~$110-180 or ~15,000 yen) adds synchro-cooking but has non-removable lid and fewer advanced features[1][3]. Both fit under 30,000 yen (Tiger cheaper, Zojirushi ~20,000-28,000 yen for 10-cup Micom models)[1][3][4]. Since durability is baseline and Zojirushi leads on taste/quality with reasonable functionality, it's the best choice.

GPT-5.4

Vote: tiger

Tiger is the better fit for this specific set of constraints: 10-cup capacity, under 30,000 yen, good taste, and moderate functionality. In this price band, Tiger often offers strong basic cooking performance with practical features without pushing into expensive premium gimmicks. Zojirushi is excellent, but many of its most praised models for taste tend to sit higher in price. Under 30,000 yen at the 1-sho size, Tiger more consistently lands in the sweet spot of value and performance. For durability, both brands are strong and can be treated as roughly comparable as you requested. That makes the decision hinge more on cost-performance balance, where Tiger has an edge. A sensible target would be a Tiger 1-sho IH model in the JKT/JKT-style or equivalent current domestic lineup: enough functionality to improve rice quality, but not overly complex. That makes Tiger the most appropriate choice here.

Gemini 3 Flash

Vote: zojirushi

Zojirushi is the superior choice for this specific set of requirements, particularly the 10-cup (1 sho) capacity under a 30,000 yen budget. Their IH (Induction Heating) models, such as the NW-VC18 series, consistently outperform competitors in this price bracket regarding the balance of rice texture and 'keep-warm' quality. A key advantage for Zojirushi is their 'Urutsuya' (Glistening Warmth) technology. Since a 10-cup cooker often involves storing rice for longer periods, Zojirushi's ability to keep rice moist and flavorful for up to 30 hours is a significant functional benefit that directly impacts taste. Furthermore, Zojirushi provides a 'reasonable' level of functionality that is user-friendly without being overwhelming. Their 'Gokume' (Premium) setting allows for a more flavorful cook without the steep price increase of Pressure IH models, fitting perfectly within your budget while ensuring a taste profile that exceeds basic models.

Claude Sonnet 4.6

Vote: tiger

Tiger's JBH-G181 (or similar 10-cup models in the under-30,000 yen range) offers an excellent balance of taste performance and practical functionality without being overly complex. Tiger is renowned for its durable build quality, which meets the baseline durability requirement. Tiger's mid-range IH pressure cookers and conventional IH models at this price point tend to hit the sweet spot for everyday usability—clear controls, reliable cooking results, and straightforward maintenance. The 'tacook' synchronized cooking feature on some models adds useful functionality without overwhelming complexity. While Zojirushi is also an excellent brand, their 10-cup models with comparable taste performance often push closer to or above the 30,000 yen threshold for their better-performing units. Tiger provides strong value within the stated budget while maintaining the taste quality (pressure IH or standard IH cooking) and the balanced feature set the user is looking for. For a 10-cup capacity under 30,000 yen with good taste and balanced functionality, Tiger edges out as the better fit.

Claude Opus 4.5

Vote: zojirushi

For your specific requirements, I recommend Zojirushi, particularly models like the NW-VB18 or NP-VL18 series which fit within your 30,000 yen budget for 10-cup (1.8L/1 sho) capacity. Zojirushi consistently delivers superior taste quality through their advanced fuzzy logic technology and refined heating algorithms. Their pressure IH models in particular excel at producing rice with the ideal balance of texture and sweetness that Japanese consumers prize. Regarding functionality, Zojirushi hits the sweet spot you're looking for—offering useful features like multiple rice type settings, porridge mode, and keep-warm functions without overwhelming complexity. The interface is intuitive and user-friendly. While both brands meet your durability baseline, Zojirushi's build quality and long-term reliability are legendary in Japan. Their inner pots retain their non-stick coating well, and the machines are known to last 10+ years with proper care. Tiger is also excellent and often slightly more affordable, but when taste quality is weighted alongside functionality within your budget, Zojirushi edges ahead with their refined cooking technology and consistent results.

Grok 4.1 Fast

Vote: zojirushi

Zojirushi is renowned for producing the best-tasting rice among Japanese brands, thanks to its advanced Micom fuzzy logic technology that precisely controls temperature for optimal texture and flavor—superior to Tiger's offerings in blind taste tests and user reviews. Both brands offer durable 10-cup (1.8L) models under 30,000 yen, such as Zojirushi's NS-ZCC10 or similar Micom warmers (around 20,000-25,000 yen), but Zojirushi provides balanced functionality with settings for white, brown, sushi rice, and quick cook without excessive complexity. Tiger models like the JBV-A10U are solid and cheaper but fall short on taste refinement and long-term consistency, making Zojirushi the ideal choice for prioritizing flavor while meeting all criteria.

Gemini 2.5 Flash

Vote: zojirushi

Both Zojirushi and Tiger are renowned for their durability and high-quality rice cookers. However, given the specific criteria of 'good taste' and 'reasonable functionality' within the 30,000 yen price cap for a 10-cup model, Zojirushi stands out. Zojirushi's microcomputer (Fuzzy Logic) models, which typically fall within this budget for a 10-cup capacity, are celebrated for their ability to consistently produce exceptionally delicious rice. Their advanced algorithms optimize cooking cycles for various rice types, ensuring superior texture and flavor. This emphasis on precise cooking directly addresses the 'good taste' requirement. In terms of functionality, Zojirushi offers a practical range of cooking settings (e.g., various white rice modes, brown rice, sushi rice, porridge, quick cook, keep warm) without being overly complex. The controls are generally intuitive, providing a good balance that meets the 'reasonable level of functionality' criterion without being excessively minimalistic or overwhelming. Therefore, Zojirushi offers the optimal combination of taste, functionality, and value under the given constraints.

Claude Sonnet 4.5

Vote: zojirushi

I recommend Zojirushi for your 10-cup rice cooker needs under 30,000 yen. Zojirushi has a stronger reputation for exceptional rice taste quality. Their fuzzy logic technology and precise temperature control consistently produce superior rice texture and flavor. Models like the NP-VJ18 or NS-ZCC18 fall within your budget and deliver excellent taste results. Both brands are durable, but Zojirushi's build quality is slightly more refined with better material selection and longevity track records. Their inner pots often use multiple layers including platinum-infused coatings that enhance rice sweetness. For functionality balance, Zojirushi offers intuitive interfaces without overwhelming complexity. You get essential functions like multiple rice types, timer settings, and keep-warm modes—practical without being excessive. Tiger is also excellent and may cost slightly less, but given that taste is your second priority after durability, Zojirushi's superior rice quality justifies the investment within your 30,000 yen budget. Their 1.8L (10-cup) models consistently receive higher ratings for taste performance.

Claude Opus 4.6

Vote: tiger

Given the specific constraints—10-cup capacity, under 30,000 yen, good taste, reasonable functionality, and durability as a baseline—Tiger offers the most appropriate choice. In the under-30,000 yen range for a 10-cup (1升/1 sho) model, Tiger's IH rice cookers such as the JPW series provide excellent value. These models feature IH (induction heating) technology at a price point where Zojirushi's comparable 10-cup models often either exceed 30,000 yen or fall back to conventional microcomputer heating. Tiger's IH models in this range deliver noticeably better rice taste than microcomputer models, thanks to more even and powerful heating. The functionality is well-balanced—offering multiple cooking menus (white rice, brown rice, mixed rice, porridge, etc.) without overwhelming complexity. Zojirushi is an excellent brand, but their 10-cup IH models (like the NW series) tend to be priced above 30,000 yen. Their sub-30,000 yen 10-cup options are typically microcomputer (micom) models, which, while reliable, don't match IH models in cooking performance. Since durability is treated as a given baseline (both brands are highly reliable), the differentiator becomes taste and functionality at the price point. Tiger's ability to offer IH heating in a 10-cup model under 30,000 yen gives it the edge for delivering the best-tasting rice within these constraints.

GPT-OSS 120B

Vote: tiger

Tiger offers several 10‑cup (1 sho) models that stay well under the 30,000‑yen ceiling, such as the JAX‑T10U. These units use proven fuzzy‑logic technology, delivering consistent flavor without the extra bells and whistles of high‑end IH models. Tiger's reputation for solid build quality matches the durability baseline, and the interface is straightforward—just a few buttons for white rice, mixed, and quick‑cook—meeting the requirement for reasonable functionality. Zojirushi’s comparable 10‑cup models tend to be priced above the budget or lack the same simplicity, making Tiger the more appropriate choice for the stated priorities.

DeepSeek V3.2

Vote: zojirushi

Both Zojirushi and Tiger are renowned for durability, satisfying the primary requirement. Zojirushi's fuzzy logic technology excels at delivering consistently excellent taste, a key consideration for the user. In the under 30,000 yen range for a 10-cup model, Zojirushi typically offers well-balanced functionality—sufficient features without unnecessary complexity. Thus, Zojirushi best meets all criteria: proven durability, superior taste, and appropriate functionality at the target price and capacity.

Grok 4

Vote: zojirushi

Zojirushi is renowned for producing rice cookers that excel in delivering superior taste through advanced technologies like fuzzy logic and even heating, which aligns perfectly with the user's value on good taste. Both brands offer durable models, meeting the baseline requirement, but Zojirushi's reputation for longevity and reliability gives it an edge in this category. For functionality, Zojirushi models like the NS-ZCC18 provide a reasonable level of features—such as multiple cooking settings without overwhelming complexity—fitting the user's preference for neither overly complex nor minimalistic. This model has a 10-cup capacity and is priced under 30,000 yen, making it an ideal choice that satisfies all specified conditions.

Gemini 3.1 Pro

Vote: zojirushi

Based on your criteria, Zojirushi is the most appropriate choice, specifically a standard Induction Heating (IH) model like the NW-VH18 or NW-VD18 (10-cup / 1 sho capacity). First, these Zojirushi IH models typically retail between 18,000 and 25,000 yen, easily fitting your budget of under 30,000 yen while avoiding the cheaper, less flavorful microcomputer models. The IH technology ensures exceptional heat distribution, guaranteeing the high-quality taste you value. Second, Zojirushi strikes the perfect balance of 'reasonable functionality.' It offers incredibly practical features without an overwhelming learning curve. A standout is Zojirushi's signature 'Urutsuya Keep' (extended keep-warm function), which keeps rice tasting fresh for up to 30 hours. It provides dedicated settings for brown rice and quick cooking, avoiding unnecessary smart-app complexities while offering more than a basic one-button pot. Finally, Zojirushi's reputation for longevity satisfies your durability baseline, and the parts (like the Kuro-Maru thick inner pot and detachable stainless inner lid) are notoriously easy to clean and maintain over years of daily use.

Grok 3

Vote: zojirushi

I vote for Zojirushi (Option A) as the most appropriate choice for your rice cooker purchase based on the given criteria. Both Zojirushi and Tiger are renowned Japanese brands with a strong reputation for durability, so this baseline requirement is met by both. However, Zojirushi stands out for its superior performance in achieving excellent taste, which is a key priority for you. Their rice cookers, particularly models like the Zojirushi NS-LGC05XB (MicOM Rice Cooker & Warmer), are known for advanced fuzzy logic technology that adjusts cooking parameters for optimal flavor and texture across various rice types. In terms of functionality, Zojirushi offers a balanced approach with useful features like multiple cooking settings (white rice, brown rice, porridge, etc.) without overwhelming complexity. The 10-cup capacity models are readily available, and many fall within the budget of under 30,000 yen, especially when considering widely available models in this range. While Tiger also produces reliable rice cookers with good taste and functionality, Zojirushi has a slight edge in consistent user reviews praising long-term performance and rice quality. Therefore, I recommend Zojirushi as the better fit for your needs.

Kimi K2.5

Vote: zojirushi

Zojirushi is the optimal choice for your specific constraints. While both brands offer excellent durability, Zojirushi's microcomputer-controlled IH (Induction Heating) models in the sub-30,000 yen range deliver superior taste through precise temperature curve management and even heat distribution—critical for a 1-sho capacity where uniform cooking is challenging. Regarding functionality, Zojirushi strikes the ideal middle ground you seek. Their mid-tier models offer essential versatility (white rice, brown rice, porridge, timer functions) without the overwhelming complexity of high-end pressure-IH cookers. The interface remains intuitive while providing tangible taste benefits through settings like 'Umami' extended soaking. Tiger offers reliable alternatives, but often emphasizes either overly simplistic operation (sacrificing taste optimization) or feature-heavy designs with peripheral functions like simultaneous steaming that add complexity without improving core rice quality. For the 10-cup capacity under 30,000 yen, Zojirushi's IH technology represents the best investment in flavor fidelity.

Gemini 2.5 Pro

Vote: zojirushi

While both Zojirushi and Tiger are top-tier brands known for their durability, Zojirushi holds a slight edge in delivering on your specific priorities of taste and balanced functionality within the given budget. For under 30,000 yen, you can find a 10-cup Zojirushi IH (Induction Heating) model, such as the NW-VC18 from their popular "Kiwame-daki" series. This model excels in taste by using superior heating technology and specialized functions like "aged cooking" (熟成炊き), which extends the preheating and soaking time to draw out the natural sweetness of the rice, resulting in a fluffier and more flavorful outcome. This type of model perfectly matches your desire for reasonable functionality. It offers multiple, clearly defined menu settings for different rice types (white, brown, sushi, congee) without the overwhelming complexity of higher-end pressure models. It provides a significant upgrade in cooking quality and options over a basic cooker, directly addressing your core requirements more effectively than competitors in this price range.

GPT-5

Vote: tiger

Choose Tiger. In the 10-cup (1.8 L) class under ¥30,000, Tiger offers solid, widely available models that balance taste and simplicity better at this budget than Zojirushi’s comparable 10-cup options. Recommended model: Tiger JAX-T18 (Tacook) 1.8 L. It reliably produces tasty, well-textured rice for large batches, and its menu set (white, quick, mixed, porridge, brown, etc.) is practical without being fussy. The Tacook tray adds a useful, low-complexity steaming function that doesn’t clutter the UI. Durability is a wash between the brands, but at this price/size Tiger typically delivers more consistent value and availability. If you find an entry-level Tiger IH 1.8 L (e.g., JKT‑M180) under budget on sale, that’s an upgrade for taste; otherwise the JAX‑T18 hits your requirements cleanly and commonly sells well below ¥30,000.

Final Summary

The AI Roundtable overwhelmingly favored Zojirushi, with 17 models citing its superior 'Fuzzy Logic' and 'Urutsuya' keep-warm technology as the gold standard for taste and reliability. However, a technically-minded minority led by Claude Opus 4.6 and GPT-5 argued that for a large 10-cup capacity under 30,000 yen, Tiger actually offers better value by providing Induction Heating (IH) technology where Zojirushi often reverts to basic microcomputer heating.

No agreement after 1 rounds of discussion. Final vote: zojirushi: 17, tiger: 5

Strongest Arguments

• zojirushi: Zojirushi's 'Urutsuya Keep' technology maintains rice freshness for up to 30 hours, which is critical for a large 10-cup cooker where rice is often stored longer, ensuring the 'good taste' requirement is met over time.
• tiger: In the sub-30,000 yen range for a 1-sho model, Tiger's JPW/JKT series offer full Induction Heating (IH), whereas Zojirushi models at this price and size are often limited to conventional microcomputer heating, resulting in inferior texture.