Evidence floor met in this release.
AI InfrastructureStatePublished Observed runs106 Run dates7 Observed domains212
Published segment leaderboard
AI Infrastructure: Problem-first research in the Machine Relations Index
This leaderboard uses only the AI Infrastructure / Problem-first research segment denominator: 106 observed answer runs across 7 dates.
Segment-specific denominator. Not the overall domain denominator.
Release floor: 7 dates.
Only released domains with evidence in this exact segment.
Leaderboard
Segment-specific cited sources
Rates, runs and rank are the producer's segment-specific values. Overall domain rates and engine breadth are not used as category rates.
| Rank | Source | Source role | Citation rate | Cited runs | Observed runs | Run dates | Confidence |
|---|---|---|---|---|---|---|---|
| #1 of 212 | Redditreddit.com | Community and social platform | 21.70% | 23 | 106 | 7 | Unavailable |
| #2 of 212 | Openai.comopenai.com | Vendor-owned source | 16.04% | 17 | 106 | 7 | Unavailable |
| #3 of 212 | Arxiv.orgarxiv.org | Academic and government source | 15.09% | 16 | 106 | 7 | Unavailable |
| #4 of 212 | YouTubeyoutube.com | Search or media platform | 15.09% | 16 | 106 | 7 | Unavailable |
| #5 of 212 | Dev.todev.to | Community and social platform | 14.15% | 15 | 106 | 7 | Unavailable |
| #6 of 212 | LinkedInlinkedin.com | Community and social platform | 13.21% | 14 | 106 | 7 | Unavailable |
| #7 of 212 | Mediummedium.com | Editorial publication | 13.21% | 14 | 106 | 7 | Unavailable |
| #8 of 212 | Labelstud.iolabelstud.io | Other observed source | 11.32% | 12 | 106 | 7 | Unavailable |
| #9 of 212 | Towardsdatascience.comtowardsdatascience.com | Market and company database | 11.32% | 12 | 106 | 7 | Unavailable |
| #10 of 212 | Github.comgithub.com | Community and social platform | 9.43% | 10 | 106 | 7 | Unavailable |
| #11 of 212 | Towardsai.nettowardsai.net | Other observed source | 9.43% | 10 | 106 | 7 | Unavailable |
| #12 of 212 | K-ai.aik-ai.ai | Other observed source | 6.60% | 7 | 106 | 7 | Unavailable |
| #13 of 212 | Mbrenndoerfer.commbrenndoerfer.com | Other observed source | 6.60% | 7 | 106 | 7 | Unavailable |
| #14 of 212 | Stackoverflow.comstackoverflow.com | Community and social platform | 6.60% | 7 | 106 | 7 | Unavailable |
| #15 of 212 | Atlan.comatlan.com | Vendor-owned source | 5.66% | 6 | 106 | 7 | Unavailable |
| #16 of 212 | Roguedigital.airoguedigital.ai | Other observed source | 5.66% | 6 | 106 | 7 | Unavailable |
| #17 of 212 | Usc.eduusc.edu | Academic and government source | 5.66% | 6 | 106 | 7 | Unavailable |
| #18 of 212 | Infoservices.cominfoservices.com | Other observed source | 4.72% | 5 | 106 | 7 | Unavailable |
| #19 of 212 | Snorkel.aisnorkel.ai | Academic and government source | 4.72% | 5 | 106 | 7 | Unavailable |
| #20 of 212 | Substack.comsubstack.com | Community and social platform | 4.72% | 5 | 106 | 7 | Unavailable |
| #21 of 212 | Chatnexus.iochatnexus.io | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #22 of 212 | Clinrag.comclinrag.com | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #23 of 212 | Customgpt.aicustomgpt.ai | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #24 of 212 | Instagram.cominstagram.com | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #25 of 212 | Owlish.botowlish.bot | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #26 of 212 | Readthedocs.ioreadthedocs.io | Other observed source | 3.77% | 4 | 106 | 7 | Unavailable |
| #27 of 212 | Stanford.edustanford.edu | Academic and government source | 3.77% | 4 | 106 | 7 | Unavailable |
| #28 of 212 | Aiwiki.aiaiwiki.ai | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #29 of 212 | Anthropic.comanthropic.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #30 of 212 | Berkeley.eduberkeley.edu | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #31 of 212 | Cornell.educornell.edu | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #32 of 212 | Edtek.aiedtek.ai | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #33 of 212 | Github.iogithub.io | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #34 of 212 | HackerNoonhackernoon.com | Editorial publication | 2.83% | 3 | 106 | 7 | Unavailable |
| #35 of 212 | Mesour.commesour.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #36 of 212 | Milvus.iomilvus.io | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #37 of 212 | Optyxstack.comoptyxstack.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #38 of 212 | Particula.techparticula.tech | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #39 of 212 | Plainenglish.ioplainenglish.io | Vendor-owned source | 2.83% | 3 | 106 | 7 | Unavailable |
| #40 of 212 | Redis.ioredis.io | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #41 of 212 | Runwayml.comrunwayml.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #42 of 212 | Techbusinessnews.com.autechbusinessnews.com.au | Editorial publication | 2.83% | 3 | 106 | 7 | Unavailable |
| #43 of 212 | Tianpan.cotianpan.co | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #44 of 212 | Twig.sotwig.so | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #45 of 212 | Umd.eduumd.edu | Academic and government source | 2.83% | 3 | 106 | 7 | Unavailable |
| #46 of 212 | Vexxhost.comvexxhost.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #47 of 212 | Y Combinatorycombinator.com | Community and social platform | 2.83% | 3 | 106 | 7 | Unavailable |
| #48 of 212 | Zenithlaw.comzenithlaw.com | Other observed source | 2.83% | 3 | 106 | 7 | Unavailable |
| #49 of 212 | Ai-navigate-news.comai-navigate-news.com | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #50 of 212 | Ai Journalaijourn.com | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #51 of 212 | Alibaba.comalibaba.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #52 of 212 | Amazon.comamazon.com | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #53 of 212 | Analyticsvidhya.comanalyticsvidhya.com | Market and company database | 1.89% | 2 | 106 | 7 | Unavailable |
| #54 of 212 | Applaudhr.comapplaudhr.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #55 of 212 | Asc.ac.atasc.ac.at | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #56 of 212 | Beykeworkflows.combeykeworkflows.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #57 of 212 | Braincuber.combraincuber.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #58 of 212 | Deepchecks.comdeepchecks.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #59 of 212 | Denser.aidenser.ai | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #60 of 212 | Digitalocean.comdigitalocean.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #61 of 212 | Easydataworld.comeasydataworld.com | Market and company database | 1.89% | 2 | 106 | 7 | Unavailable |
| #62 of 212 | Egain.comegain.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #63 of 212 | Epfl.chepfl.ch | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #64 of 212 | Facebook.comfacebook.com | Community and social platform | 1.89% | 2 | 106 | 7 | Unavailable |
| #65 of 212 | Forbesforbes.com | Editorial publication | 1.89% | 2 | 106 | 7 | Unavailable |
| #66 of 212 | Freecodecamp.orgfreecodecamp.org | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #67 of 212 | Geodocs.devgeodocs.dev | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #68 of 212 | Happysupport.aihappysupport.ai | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #69 of 212 | Hashnode.devhashnode.dev | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #70 of 212 | Hidekazu-konishi.comhidekazu-konishi.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #71 of 212 | Huggingface.cohuggingface.co | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #72 of 212 | Ibm.comibm.com | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #73 of 212 | Ituonline.comituonline.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #74 of 212 | Kapa.aikapa.ai | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #75 of 212 | Knowledgesdk.comknowledgesdk.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #76 of 212 | Microsoft.commicrosoft.com | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #77 of 212 | Northeastern.edunortheastern.edu | Academic and government source | 1.89% | 2 | 106 | 7 | Unavailable |
| #78 of 212 | Nvidia.comnvidia.com | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #79 of 212 | Politifact.compolitifact.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #80 of 212 | Rootcode.inrootcode.in | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #81 of 212 | Stonybrook.edustonybrook.edu | Academic and government source | 1.89% | 2 | 106 | 7 | Unavailable |
| #82 of 212 | Swirlaiconnect.comswirlaiconnect.com | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #83 of 212 | Unstructured.iounstructured.io | Vendor-owned source | 1.89% | 2 | 106 | 7 | Unavailable |
| #84 of 212 | Wonderchat.iowonderchat.io | Other observed source | 1.89% | 2 | 106 | 7 | Unavailable |
| #85 of 212 | Aau.dkaau.dk | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #86 of 212 | Acm.orgacm.org | Academic and government source | 0.94% | 1 | 106 | 7 | Unavailable |
| #87 of 212 | Agentc2.aiagentc2.ai | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #88 of 212 | Aimagicx.comaimagicx.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #89 of 212 | Alhena.aialhena.ai | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #90 of 212 | Alliancecan.caalliancecan.ca | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #91 of 212 | Aminrj.comaminrj.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #92 of 212 | Anl.govanl.gov | Academic and government source | 0.94% | 1 | 106 | 7 | Unavailable |
| #93 of 212 | Answeroverflow.comansweroverflow.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #94 of 212 | Apxml.comapxml.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #95 of 212 | Arccompute.ioarccompute.io | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #96 of 212 | Bgu.ac.ilbgu.ac.il | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #97 of 212 | Bigglobaltravel.combigglobaltravel.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #98 of 212 | Boristane.comboristane.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #99 of 212 | Broadcom.combroadcom.com | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
| #100 of 212 | Buzzi.aibuzzi.ai | Other observed source | 0.94% | 1 | 106 | 7 | Unavailable |
Showing the first 100 rows from 212 observed domains.
Release and boundary
How to cite this segment
AI Infrastructure / Problem-first research: 212 observed source domains in the leaderboard, 2026-05-10 to 2026-09-18, mri_score_v2.0, mri_score_v2.0+2026-09-18+8fa38e54dd0a, https://machinerelations.ai/index/categories/ai-infrastructure/problem_first.
Release mri_score_v2.0+2026-09-18+8fa38e54dd0a; methodology mri_score_v2.0; generated 2026-09-18; window 2026-05-10 to 2026-09-18; artifact 8fa38e54dd0a.
MRI measures observed root-domain citations inside monitored prompts. Segment rates are conditional on this sample and do not claim recommendation quality, traffic, placement availability, or commercial performance.