{"rewrite":{"id":"r_0f11b69371d93d797f68721d","clusterId":"c_ba90044f24ee3179e30fef68","slug":"anthropic-opens-japan-focused-claude-code-hackathon-to-250-applicants","model":"deepseek-v4-1-flash","headline":"Anthropic Opens Japan-Focused Claude Code Hackathon to 250 Applicants","summary":"Anthropic will run Built with Claude: Japan 2026, a fully online hackathon co-hosted with the AI community Cerebral Valley, from 12:00 on November 2 to 14:00 on November 10. Applications for Japan residents close at 23:59 on October 26, and 250 people who pass screening can join, alone or in teams of up to two. Participants build with Claude Code; each screened applicant gets the Max 5x Plan and $500 in Claude API credits, and winners share $50,000 in credits.","whyItMatters":"Anthropic is putting API credits and its Claude Code tool behind projects from people outside professional engineering, and it plans to introduce the resulting developers and projects itself.","webCardHtml":"\u003cp\u003eScreening is the gate. Every applicant who passes gets the Max 5x Plan and $500 in Claude API credits, so the cost of trying sits with Anthropic rather than the participant. Winners take a separate pool of $50,000 in Claude API credits, about 8 million yen.\u003c/p\u003e\u003cp\u003eThe event page names two starting points for development: tools spun from a person\u0026#39;s own expertise or daily inconvenience, and mechanisms that remove technical barriers to problems shared by Japanese society, such as the aging society and labor shortages. Anthropic also lists work efficiency tools, social issue solutions, and support tools for game production and creative work among the ideas it expects.\u003c/p\u003e\u003cp\u003eTeams are capped at two people, and each member applies and is screened separately. Judges will be announced later, and results are scheduled to be announced online on November 10.\u003c/p\u003e","blueskyPost":"Anthropic caps Built with Claude: Japan 2026 at 250 people, and every screened applicant gets the Max 5x Plan plus $500 in Claude API credits before building anything.","twitterPost":"Anthropic hands each screened Built with Claude: Japan 2026 applicant $500 in Claude API credits and the Max 5x Plan before a single line is written.","threadsPost":"Anthropic covers the tooling cost for Built with Claude: Japan 2026, giving every screened applicant the Max 5x Plan and $500 in Claude API credits up front. The $50,000 pool rewards finished work, but the entry cost of building is already paid by Anthropic.","newsletterBlurb":"Anthropic will hold Built with Claude: Japan 2026, a fully online hackathon co-hosted with Cerebral Valley, from November 2 to November 10. Applications close October 26, and 250 screened Japan residents can join alone or in teams of two. Each participant gets the Max 5x Plan and $500 in Claude API credits; winners share $50,000 in credits.","attributionJson":"[{\"source\":\"GameBusiness.jp\",\"url\":\"https://www.gamebusiness.jp/article/2026/10/21/28404.html\",\"title\":\"Anthropic's Claude Holds First Japan-Focused Online Hackathon! Turn Dormant Ideas into Reality with 'Claude Code,' Beginners Welcome\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4669,"outputTokens":685,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792570028,"createdAt":"2026-10-21T08:02:17.000Z","publishedAt":"2026-10-21T08:06:06.000Z","updatedAt":"2026-10-21T08:06:06.000Z"},"cluster":{"id":"c_ba90044f24ee3179e30fef68","canonicalTitle":"「Claude」Anthropic、日本向け初のオンラインハッカソン開催！眠っていたアイデアを「Claude Code」で形に、未経験者も参加可能","representativeArticleId":"a_9119bba3cc90dae22eebfd5f","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Built with Claude: Japan 2026\"],\"studios\":[\"Anthropic\"],\"people\":[],\"type\":\"event\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-21T04:13:51.000Z","lastSeenAt":"2026-10-21T04:13:51.000Z","updatedAt":"2026-10-21T08:06:06.000Z"},"attribution":[{"source":"GameBusiness.jp","url":"https://www.gamebusiness.jp/article/2026/10/21/28404.html","title":"「Claude」Anthropic、日本向け初のオンラインハッカソン開催！眠っていたアイデアを「Claude Code」で形に、未経験者も参加可能"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Built with Claude: Japan 2026"],"studios":["Anthropic"],"people":[],"type":"event","domain":"other","is_roundup":false},"keyFacts":null}