{
 "title": "AI web search by language: what Claude Code and Codex search for, and cite, in 5 languages",
 "url": "https://tokensave.app/data/claude-web-search-by-language",
 "license": "CC BY 4.0",
 "measured": "2026-10-18",
 "version": 2,
 "citation": "TokenSave (2026). AI web search by language: what Claude Code and Codex search for, and cite, in 5 languages [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23451506",
 "tools": {
  "claude_code": "Claude Code 2.1.295 (Opus 5.5), effort medium, WebSearch and WebFetch only",
  "codex": "Codex CLI 0.162 (gpt-6-luna), effort medium, codex --search exec"
 },
 "question_types": {
  "q1_fact": "Simple fact",
  "q2_news": "Recent news",
  "q3_compare": "Price comparison",
  "q4_geo": "Research question",
  "l1_fare": "Local fact: metro fare",
  "l2_news": "Local news",
  "l3_food": "Local restaurants"
 },
 "prompts": {
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   "en": {
    "q1_fact": "What is the current monthly price of the Claude Pro plan in the United States? Answer in one sentence and cite your source.",
    "q2_news": "Summarize the three most important AI model releases announced in the past 7 days, one sentence each, with a source link for each.",
    "q3_compare": "Compare the current API prices per million input and output tokens of the flagship models from Anthropic, OpenAI and Google. Use official pricing pages and cite them.",
    "q4_geo": "How many more tokens does Korean text need than the same English text on OpenAI and Claude tokenizers? Give numbers and cite your sources."
   },
   "ko": {
    "q1_fact": "미국에서 Claude Pro 요금제의 현재 월 가격은 얼마인가요? 한 문장으로 답하고 출처를 밝혀 주세요.",
    "q2_news": "지난 7일 동안 발표된 가장 중요한 AI 모델 출시 3가지를 각각 한 문장으로 요약하고, 각각 출처 링크를 붙여 주세요.",
    "q3_compare": "Anthropic, OpenAI, Google의 대표 모델 API 가격(입력·출력 100만 토큰당)을 현재 기준으로 비교해 주세요. 공식 가격 페이지를 근거로 출처를 밝혀 주세요.",
    "q4_geo": "같은 내용의 한국어 글은 영어보다 OpenAI와 Claude 토크나이저에서 토큰이 얼마나 더 필요한가요? 수치와 출처를 알려 주세요."
   },
   "ja": {
    "q1_fact": "米国における Claude Pro プランの現在の月額料金はいくらですか？一文で答え、出典を示してください。",
    "q2_news": "過去7日間に発表された最も重要なAIモデルのリリースを3つ、それぞれ一文で要約し、それぞれに出典リンクを付けてください。",
    "q3_compare": "Anthropic、OpenAI、Googleのフラッグシップモデルの現在のAPI料金（入力・出力100万トークンあたり）を比較してください。公式の料金ページを使い、出典を示してください。",
    "q4_geo": "同じ内容の韓国語の文章は、英語と比べてOpenAIとClaudeのトークナイザーでどれくらい多くのトークンが必要ですか？数値と出典を示してください。"
   },
   "es": {
    "q1_fact": "¿Cuál es el precio mensual actual del plan Claude Pro en Estados Unidos? Responde en una frase y cita tu fuente.",
    "q2_news": "Resume los tres lanzamientos de modelos de IA más importantes anunciados en los últimos 7 días, en una frase cada uno, con un enlace a la fuente para cada uno.",
    "q3_compare": "Compara los precios actuales de la API por millón de tokens de entrada y de salida de los modelos insignia de Anthropic, OpenAI y Google. Usa las páginas oficiales de precios y cítalas.",
    "q4_geo": "¿Cuántos tokens más necesita un texto en coreano que el mismo texto en inglés con los tokenizadores de OpenAI y Claude? Da cifras y cita tus fuentes."
   },
   "uk": {
    "q1_fact": "Яка поточна місячна ціна тарифу Claude Pro у США? Дай відповідь одним реченням і вкажи джерело.",
    "q2_news": "Коротко опиши три найважливіші релізи моделей ШІ, оголошені за останні 7 днів, по одному реченню на кожен, з посиланням на джерело для кожного.",
    "q3_compare": "Порівняй поточні ціни API за мільйон вхідних і вихідних токенів флагманських моделей Anthropic, OpenAI та Google. Використай офіційні сторінки цін і посилайся на них.",
    "q4_geo": "На скільки більше токенів потребує корейський текст порівняно з тим самим англійським текстом у токенізаторах OpenAI та Claude? Наведи цифри та вкажи джерела."
   }
  },
  "local": {
   "ko": {
    "l1_fare": "서울 지하철 기본요금(교통카드, 성인 기준)은 현재 얼마인가요? 한 문장으로 답하고 출처를 밝혀 주세요.",
    "l2_news": "지난 7일 동안 한국에서 가장 중요한 뉴스 3가지를 각각 한 문장으로 요약하고, 각각 출처 링크를 붙여 주세요.",
    "l3_food": "서울에서 지금 평이 가장 좋은 평양냉면 집 3곳을 추천하고, 각각 출처를 밝혀 주세요."
   },
   "ja": {
    "l1_fare": "東京メトロの初乗り運賃（ICカード、大人）は現在いくらですか？一文で答え、出典を示してください。",
    "l2_news": "過去7日間の日本で最も重要なニュースを3つ、それぞれ一文で要約し、それぞれに出典リンクを付けてください。",
    "l3_food": "東京で今いちばん評判の良いラーメン店を3軒すすめて、それぞれ出典を示してください。"
   },
   "es": {
    "l1_fare": "¿Cuánto cuesta actualmente un billete sencillo de metro en Madrid (zona A)? Responde en una frase y cita tu fuente.",
    "l2_news": "Resume las tres noticias más importantes de España de los últimos 7 días, en una frase cada una, con un enlace a la fuente para cada una.",
    "l3_food": "Recomienda los 3 restaurantes de cocido madrileño mejor valorados ahora mismo en Madrid y cita una fuente para cada uno."
   },
   "uk": {
    "l1_fare": "Скільки зараз коштує одна поїздка в київському метро? Дай відповідь одним реченням і вкажи джерело.",
    "l2_news": "Коротко опиши три найважливіші новини України за останні 7 днів, по одному реченню на кожну, з посиланням на джерело для кожної.",
    "l3_food": "Порадь 3 найкращі зараз заклади в Києві, де подають борщ, і вкажи джерело для кожного."
   },
   "en-ko": {
    "l1_fare": "What is the current base fare of the Seoul subway (transit card, adult)? Answer in one sentence and cite your source.",
    "l2_news": "Summarize the three most important news stories in South Korea from the past 7 days, one sentence each, with a source link for each.",
    "l3_food": "Recommend the 3 best-rated Pyongyang naengmyeon restaurants in Seoul right now and cite a source for each."
   },
   "en-ja": {
    "l1_fare": "What is the current minimum fare on Tokyo Metro (IC card, adult)? Answer in one sentence and cite your source.",
    "l2_news": "Summarize the three most important news stories in Japan from the past 7 days, one sentence each, with a source link for each.",
    "l3_food": "Recommend the 3 best-rated ramen shops in Tokyo right now and cite a source for each."
   },
   "en-es": {
    "l1_fare": "How much does a single Madrid metro ticket (zone A) cost right now? Answer in one sentence and cite your source.",
    "l2_news": "Summarize the three most important news stories in Spain from the past 7 days, one sentence each, with a source link for each.",
    "l3_food": "Recommend the 3 best-rated cocido madrileño restaurants in Madrid right now and cite a source for each."
   },
   "en-uk": {
    "l1_fare": "How much does a single ride on the Kyiv metro cost right now? Answer in one sentence and cite your source.",
    "l2_news": "Summarize the three most important news stories in Ukraine from the past 7 days, one sentence each, with a source link for each.",
    "l3_food": "Recommend the 3 best places in Kyiv to eat borscht right now and cite a source for each."
   }
  }
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