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Find hackathons, grants, bounties, programs and jobs from across AI and Web3, sorted by deadline and prize.
Pick the right event, ship a working project and submit it before the deadline.
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Hackathons, grants, bounties, programs and jobs across AI, Web3 and beyond.
Open Scientific IntelligenceVerified
Formerly the LLM Hackathon for Materials Science and Chemistry, now expanded to the physical sciences and mathematics. Build LLMs, autonomous agents, datasets, benchmarks, models, or scientific software against real research problems, in teams of 3 to 10, with mentors from academia and industry. No cash prize, judged on impact potential, innovation, scalability, and domain relevance.
None — community recognition, published paper co-authorship
Radiological Society of North America (RSNA)Verified
Kaggle code competition to build multimodal machine learning models that detect twelve clinically important abnormalities on knee MRI, using scans paired with radiology reports. Scored by macro-averaged AUC ROC, with submissions made through Kaggle Notebooks with internet disabled. Includes a separate Efficiency track.
$77,000 ($59,000 main leaderboard + $18,000 efficiency track)
Unusual WhalesVerified
Build a dashboard, alert, backtest, bot, agent, or other project using the Unusual Whales API. API trial keys are eligible.
1st: 1,000 USDC; 2nd: 600 UW API credits; 3rd: 400 UW API credits
Apps Built With AI (Justin Burns)Verified
4-day live guided virtual build-a-thon (Oct 20-23) to turn an idea or business problem into a working AI app without coding. Pitch and plan for first 100 users.
$7,000 cash
Amazon DeveloperVerified
Build or significantly update working applications for Fire TV, Alexa+, Ring, and Bee tracks using Amazon developer tools. Compete for cash prizes and AWS credits.
$138,000 cash
AmazonVerified
Global online hackathon where developers build working demos on Fire TV, Alexa+, Bee or Ring, with optional AWS Builder and Open Source mini challenges. Submissions need a GitHub repo, a demo video under 3 minutes and product feedback. Prizes include cash, AWS credits and meetings with the Amazon Developer team.
$138,000 in cash plus AWS credits (up to $190,000 total value)
Sage Bionetworks / MVA Society / Hugging Face / BEACONVerified
Real genomic and clinical data from a child living with Mosaic Variegated Aneuploidy, an ultra-rare genetic condition, shared by the family to find answers. Track 1: predict the causal genetic variant from FASTQ and VCF data, scored automatically on a live leaderboard. Track 2: propose a repurposed existing medication based on the disrupted biological mechanism, judged by an expert panel. Data access is controlled and requires an approved request; all outputs are released under CC BY 4.0.
$50,000 total — $25,000 cash + $25,000 in Claude credits
Singapore Management University, GSR Foundation and University of MalagaVerified
Hackathon on building Web3 solutions for real-world social challenges, with an Idea Track and a Tech Track. Shortlisted teams are announced on Oct 26 and present at the finals and awards ceremony at SMU in Singapore on Nov 26.
USD 20,000 (breakdown not stated)
Apart ResearchVerified
A three-day AI research sprint focused on designing and running experiments that investigate collusion between AI agents. Teams explore how collusion emerges, how it can be detected and audited, how agents coordinate, and what countermeasures can prevent or disrupt it.
$2,000
MetaVerified
Apply to spend ten days building with Meta's newest models. Use the Muse Spark series, Muse Image and SAM 3.1 through Meta Model API, run Meta open weights models, and code faster with Muse Code agentic coding agent. Compete for a share in the $1,000,000 cash prize pool across indie developer and startup tracks.
$1,000,000 cash prize pool
IEEE Blockchain Türkiye GroupVerified
Global online hackathon using AI, blockchain and data-driven approaches for climate challenges including carbon markets, renewable energy, sustainable supply chains and environmental monitoring.
$3,000+ in prizes
IEEE Blockchain Turkiye GroupVerified
Online student hackathon on using blockchain and AI to address climate challenges across four tracks: Carbon Markets, Renewable Energy, Sustainable Supply Chains, and Climate Data. Entries need a demo video of 3 to 5 minutes, a public code repository and a working prototype. Students only.
$3,000 in cash ($1,500 / $1,000 / $500), plus IEEE certificates
The Open Accelerator
A 16-week residency in Boston for early-stage companies building AI products and AI-native services for business customers. Selected companies receive dedicated technical and business mentorship, enterprise architecture reviews, market validation, customer and investor introductions, sales support, and access to the Red Hat, IBM, and Massachusetts AI ecosystem.
OpenCV Foundation and Amazon Web ServicesVerified
Two-month online competition to build vision systems using OpenCV 5 with a meaningful component running on AWS. Optional featured paths cover Cloud-Optimized OpenCV (COOL) and Agentic Vision. Entries need a technical report, code repository, working demo and a video of up to five minutes.
$20,250 in cash and AWS credits ($12,000 in main and special prizes + 55 compute grants of $150)
TrendSpiderVerified
Build custom trading indicators using Sidekick AI or code, publish free to the TrendSpider Store with #TSBuild26, and compete in four categories. Deadline extended.
Over $25,000 cash and prizes
Encode ClubVerified
Free 2-day in-person AI and payments hackathon in Lisbon on Stellar. 28 hours of building from 09:00 Sun 25 Oct to 12:00 Mon 26 Oct at Warehouse ONE16. $30K prize pool across 6 winners paid in XLM.
$30,000 in XLM
GitLabVerified
Online hackathon to build agents and flows on the GitLab Duo Agent Platform that automate the post-code DevSecOps lifecycle. Entrants choose Path A (start fresh) or Path B (bring an MIT-licensed project) and a level of autonomy, with a bonus for deploying on Google Cloud.
$45,000 in cash
JigJoy / Science and Technology Park Novi SadVerified
Global AI hackathon to build concurrent multi-agent systems using Mozaik. Solo or teams up to four; online and onsite participation use the same schedule and judging.
$1,000 cash + five 6-month Mozaik Cloud Premium subscriptions
OpenCV Foundation and Amazon Web ServicesVerified
Build vision systems that see, reason, and act with OpenCV 5 and Amazon Web Services (AWS).
$20,250 cash
GenAI WorksVerified
Build an agent that does real work. A six-day online sprint (Oct 22-27) across three tracks (Solving Fragmented Intelligence, The Agent That Can Explain Why, Reasoning Architecture) plus a Wildcard track for extending an existing project with Zetaris and Meterless. Teams of 1-5.
Up to $20,000 ($15,000 cash + $5,000 in-kind)
GitLabVerified
Build agents and flows that automate the post-code DevSecOps lifecycle (review, security, testing, compliance, deployment, monitoring). Paths: Start Fresh or Bring Your Own. Use GitLab Duo Agent Platform. Judged by GitLab, Google, Anthropic.
$45,000 cash
Amazon Web Services (AWS)Verified
A global online hackathon for building AI-powered conversational solutions using AWS Communication Developer Services such as RCS, SMS, WhatsApp, or SES, with optional Amazon Bedrock AgentCore integration.
$40,000 in cash
AWSVerified
Build conversational solutions on AWS CDS (RCS, SMS, WhatsApp, SES). Recommended to incorporate Amazon Bedrock AgentCore for agentic AI. For AWS Partners; must create ACE opportunity.
$40,000 cash
AnthropicVerified
The Anthropic STEM Fellows Program brings researchers and experts from across science and engineering into Anthropic for four months to take on the grand challenges of their fields with Claude. Fellows work in small pods to define hard open problems, build datasets and evaluations, and apply Claude to advance science and engineering.
$100,000–$167,000 USD for the four-month fellowship
AnthropicVerified
This fellowship brings researchers and experts from philosophy, cognitive science, economics, policy, and law into Anthropic for four months to work alongside research teams. Fellows evaluate, improve, and apply Claude's capabilities in their field by designing evaluations and tackling open problems requiring expert judgment.
$100,000–$167,000 USD for the four-month fellowship
SoSoValue
Buildathon on AKINDO to build on-chain finance tools using SoSoValue data, news feeds, index tools, trading APIs and the ValueChain L1. Projects are judged on user value, working demo, workflow design, data and API integration, and UX.
10,000 USDC total
Nebius and NVIDIAVerified
Build a working AI system on open independent infrastructure using NVIDIA open source models served on Nebius Token Factory or Nebius AI Cloud. Tracks include Coding and Agentic Engineering, Best Apps and Agents, Personal AI, and Physical AI.
$50,000 cash plus prizes
QlooVerified
Build agentic tools, agent-powered apps, or integrate Qloo’s taste graph API (250M+ entities) so agents make culturally grounded recommendations. Bonus: Jason Calacanis personal investment of additional $25k into his favorite.
$25,000 cash
Nebius / NVIDIAVerified
Build using Nebius AI cloud infrastructure with at least one NVIDIA open-source model. Includes city-level and feedback awards alongside the main prizes; a Jetson Orin Nano is offered as hardware, not cash.
$50,000 total ($20,000/$10,000/$6,000 + $3,000 Tavily + 20×$500 city awards + 10×$100 feedback)
SoSoValue
Buildathon on AKINDO to build on-chain finance tools using SoSoValue data, news feeds, index tools, trading APIs and the ValueChain L1. Projects are judged on user value, working demo, workflow design, data and API integration, and UX.
10,000 USDC total (4,000 USDC pool listed, breakdown not stated)
Defence BuilderVerified
Four-month hybrid accelerator for up to 10 global teams with TRL 4+ defence or dual-use prototypes. Military track (validation with 30+ units) and business track (unit economics, IP, export, fundraising). Starting grant for minority equity plus access to 100+ investors. English/Ukrainian.
Starting grant (minority equity) plus performance-based funding
ActivateVerified
A two-year U.S. fellowship program that transforms scientists and engineers into founders, empowering them to bring their research to market by providing funding, technical resources, and support from a network of scientists, engineers, investors, commercial partners, and fellow entrepreneurs.
$100,000 living stipend per year plus $100,000 R&D support and $12,000 travel and professional development funds per year
GaluxiumVerified
Build a fully deployed, revenue-generating SaaS platform with a live monetization engine, not a prototype. Open to all ages and occupations globally, despite Devpost's student-only platform tag. Submissions need a live public deployment, a public repo, a working MVP, and a demo video, judged on architecture, compliance, market fit, monetization, UI/UX, and pitch.
$1,600 in Backboard.io platform credits (not cash, requires active $5/mo Backboard subscription to redeem) + up to $1,000 in a discretionary cash seed fund
Blockchain Legal InstituteVerified
Second annual global legal tech hackathon run by the Blockchain Legal Institute on DoraHacks. Builders compete for bounties and support from blockchain companies and law firms, with access to mentors, angel investor pitching and accelerator networks.
$20,000 USD listed (organizers state the prize pool is still developing and may change)
Raspberry PiVerified
First-across-the-line hardware security challenge to use side-channel analysis (power, EM or timing) on the RP2350 self-decrypting AES boot and leak enough key material to decrypt the payload. A single winner or winning team takes the prize. Fault injection and optical attacks are out of scope.
$20,000 USD (single winner or team)
Anna AIVerified
Builder program on DoraHacks where developers turn AI agents, scripts, MCP servers or SaaS products into published Anna Marketplace apps. Apps that reach 200 Qualified monthly active users earn recurring monthly grants, with qualification open through Nov 30, 2026.
Up to $5,000 per app per eligible month (up to $80,000 total monthly pool); September Launch Boost has ended
Bharat DigitalVerified
A six-month paid fellowship inside a government department, working alongside government partners, solving tasks for real-world impact. Aims to identify and train early-career public-interest technologists in Design, Artificial Intelligence, and Engineering tracks.
₹40,000 a month
CircleVerified
Eight microgrants of $500 USDC each for projects built in Arc Studio and deployed to Arc mainnet that move real USDC. Experiments in escrow, payments and agent-to-agent payments are encouraged. Open to individuals and teams worldwide subject to sanctions screening.
$4,000 USDC
Kairos and ConstellationVerified
Three-month in-person residency in Berkeley for AI safety generalists. Residents pitch, build, and ship projects with mentorship and placement support. Two tracks: Self-Directed and Embedded. J-1 visa sponsorship available for most internationals.
$8,500 per month plus travel and project budgets
RUNVerified
Creator jam on RUN where entrants build an original game, story or video on the Monster Mash theme between Oct 8 and Nov 2. Games and stories or videos are ranked by community votes from Oct 15 to Nov 6, and the RUN team picks Editor's Picks and Special Category winners.
$30,000
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