explainx.ainewsletter3.01k
explainx / hackathons

Hackathons▌

Curated AI and ML hackathons from any vendor or community host — virtual, hybrid, or IRL. Each listing has start and end dates, schema.org Event markup, and links to register on the organizer’s site.

Listings can feature any AI company, lab, or community — not a single stack. Each card includes start and end instants for calendars and search; registration always lives on the organizer’s site.

upcoming · remoteCerebral ValleyAnthropic

Built with Opus 4.7: a Claude Code hackathon

Virtual week-long build sprint with Claude Code — Anthropic’s Opus 4.7, $500 API credits for selected participants, and $100k in prizes for top teams. Hosted by Cerebral Valley & Anthropic.

schedule
Apr 21, 2026, 12:00 PM – Apr 26, 2026, 8:00 PM (EDT)
window (UTC)
2026-04-21T16:00:00.000Z → 2026-04-27T00:00:00.000Z
capacity
Up to 500 participants (per organizer copy)
team size
Max 2
  • Opus 4.7 is Anthropic’s most capable Claude tier to date — the hackathon is explicitly framed around shipping real projects with Claude Code in one week.
  • Organizers aim to select 500 participants; each receives $500 in Claude API credits for the build window.
  • Top teams compete for up to $100,000 in additional Claude API credits (see official rules on the event page).
  • Judges named in public copy include Boris Cherny, Cat Wu, Thariq Shihipar, Lydia Hallie, Ado Kukic, and Jason Bigman from the Claude team.
  • Fully virtual; maximum team size is two; admission is application-based — everyone submits for approval.

judges (named)

Boris Cherny · Cat Wu · Thariq Shihipar · Lydia Hallie · Ado Kukic · Jason Bigman

  • explainx.ai is not the organizer. Dates, prizes, eligibility, and rules may change — confirm on Cerebral Valley before you book time.
event page →apply / register →

Listing on explainx.ai. Add or update entries in lib/hackathons.ts.