hackathons

Hackathon radar

Jul 20, 2026

backend grok-cli (SuperGrok Heavy sub, $0 marginal) · window last 24h


Celo Agentic Payments & DeFAI — build window open; submission Jul 20 09:00 GMT (≈14:30 IST) — $5k — remote — DATE CHANGE vs tracked Aug 3; leaderboard tracks need registration/tag first; USDT-style bounties fit India solo remote — CeloDevs · Notion

HackerRank Orchestrate (August’26) — challenge Aug 1 18:00 IST, 24h submit (through Aug 2) — **$1.2k Claude Max credits** (1st; 2nd–5th ~$300 credits) + interviews/merch — remote, solo — agent-systems fit; prize is credits not cash — hackerrank.com/hackerrank-orchestrate-august26

Re-verify (unchanged — not in JSON)

Name Still
Qwen Cloud 2026-07-20 · devpost
OpenAI Build Week / Codex 2026-07-21 17:00 PDT · openai.com/build-week · openai.devpost.com
Agents of SigNoz 2026-07-26 · wemakedevs
Casper Agentic Finals 2026-07-26 · dorahacks
OKX.AI Genesis 2026-07-27 23:59 UTC · okx build-x
WEEX AI Wars II 2026-07-31 · trading not shipping · dorahacks
C:>DIR Agentic Regulator concept notes 2026-07-31 · cdir.global
WTF!! iExec summer 2026-08-01 · dorahacks
Agentic Commerce (Prava×OpenAI) build Jul 31–Aug 2 · devfolio

Primary sources (24h)

  • Encode / Arc Programmable Money: still live → Aug 22 — known · arc house
  • ETHGlobal upcoming: Lisbon Jul 24–26 IRL; ETHOnline Sep 4–16; Tokyo Sep 25–27; Mumbai Nov 6–8 — known · ethglobal.com/events
  • Akindo wave-hacks: no new wave/buildathon card text surfaced (SPA)
  • Devpost online: Qwen / OpenAI / Gemini XPRIZE / Cockroach / DataHub / YouCam — all known
  • Major labs (OpenAI/Anthropic/Google/xAI/Meta): no new lab challenge beyond tracked OpenAI Build Week; Meta OpenEnv already past