[{"data":1,"prerenderedAt":149},["ShallowReactive",2],{"project-45262787":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":39,"post_text":40,"what":41,"said":56,"maker_in_thread":96,"shape":101,"grid":104,"attempts":113,"same_week":114,"maker_shows":141,"maker_hidden":142,"reader_version":143,"card":144},"45262787","ModelKombat","Arena-style battles for coding models","title","Show HN: ModelKombat – Arena-style battles for coding models","https:\u002F\u002Fastra.hackerrank.com\u002Fmodel-kombat","astra.hackerrank.com","rvivek",1758033165,2025,10,4,2896,3837,76,"shown","ai","coding model evaluation","web_app",[24,25,26,27],"coding models","llm benchmark","model comparison","coding challenges","quiet",null,{"positive":31,"neutral":32,"mixed":31,"critical":33},0,2,1,3,{"performance":36,"idea":37,"design":38},{"positive":31,"critical":33},{"positive":31,"critical":31},{"positive":31,"critical":31},[33,34,34,31],"I'm Vivek, co-founder\u002FCEO of HackerRank (YC S11); You may know us as a hiring tool for developers\u002Fcompanies.\n\nOver the years, we have built up deep expertise in generating programming challenges, and we are now using that to make coding models better.\n\nOur first launch is Model Kombat -- an arena where you can directly compare anonymized coding models, side by side, on real problems.\n\n* Pick an arena (Java, Python, etc.) * Each battle has 3 rounds: see the problem + two model outputs -> vote on which you’d actually prefer  * Leaderboards + problem statements are updated weekly.\n\nWe already hav",{"problem":42,"audience":29,"pricing":29,"motivation":48,"time_to_build":29,"stack":52,"openness":53,"stage":54,"team_size":55},{"value":43,"source":44,"evidence":45},"Comparing coding models on real programming problems to see which output is preferred","maker",[46],{"id":47},"post",{"value":49,"source":44,"evidence":50},"Use HackerRank's challenge-generation expertise to improve coding models",[51],{"id":47},[],"unknown","launched","company",{"praise":57,"objections":73,"requests":81,"questions":90,"alternatives":95},[58,66],{"value":59,"source":60,"evidence":61},"Interesting to see a coding-specific arena, with a retro feel","commenter",[62],{"id":63,"by":64,"text":65},"45263758","elou","Super interesting to see an arena specific to coding. I love the retro throwback. How are you deciding which challenges to start with for this first release?",{"value":67,"source":60,"evidence":68},"Fun to try",[69],{"id":70,"by":71,"text":72},"45263445","rafiki6","Pretty fun! A few questions: 1 - are you planning to let people write their own prompts? 2 - when will you share the model names?",[74],{"value":75,"source":60,"evidence":76},"Some models loop endlessly describing ideas without implementing code",[77],{"id":78,"by":79,"text":80},"45310037","StilesCrisis","When I tried this, one of the two C++ models kept generating pages and pages of ideas for how it could implement the code, but just got stuck in a loop doing this and failed to…",[82,86],{"value":83,"source":60,"evidence":84},"Let users write their own prompts",[85],{"id":70,"by":71,"text":72},{"value":87,"source":60,"evidence":88},"Reveal the model names",[89],{"id":70,"by":71,"text":72},[91],{"value":92,"source":60,"evidence":93},"How challenges were selected for the first release",[94],{"id":63,"by":64,"text":65},[],{"comments":33,"answered":33,"key":97},[98],{"id":99,"text":100},"45263472","1 -- yes, soon 2 -- every week; check back this Sat.",{"commenters":15,"max_depth":32,"maker_replies":33,"first_comment_mins":102,"lifespan_hours":103},42,85,[105,107,109,111],[78,31,33,106,79,31],"project\u002Fcritical\u002Fperformance",[63,33,34,108,64,31],"project\u002Fneutral\u002Fidea",[70,32,34,110,71,31],"project\u002Fneutral\u002Fdesign",[99,32,31,112,11,33],"maker\u002Fneutral\u002Fnone",[],[115,120,124,128,132,136],{"id":116,"name":117,"points":118,"category":119},"45231378","AnyCrap",1184,"creative",{"id":121,"name":122,"points":123,"category":119},"45220069","Beat Maker",202,{"id":125,"name":126,"points":127,"category":20},"45212535","Asxiv.org",161,{"id":129,"name":130,"points":131,"category":119},"45232299","CLAVIER-36",146,{"id":133,"name":134,"points":135,"category":119},"45247396","Backdrop",82,{"id":137,"name":138,"points":139,"category":140},"45245138","Dagger.js",80,"languages",5,false,"v2",{"id":145,"name":5,"line":6,"ai":142,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":29,"top":18,"kw":146,"maker":11,"domain":10,"tier":19,"attempts":31,"strip":147,"url":9,"mix":148,"praise":59,"objection":75,"sub":21},45262787,[24,25,26,27],"1330",[31,32,31,33],1794036682614]