Evidence floor met in this release.
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: 269 observed answer runs across 13 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 |
|---|---|---|---|---|---|---|
| #1 of 459 | Arxiv.orgarxiv.org | Academic and government source | 12.64% | 34 | 269 | 13 |
| #2 of 459 | Dev.todev.to | Community and social platform | 11.52% | 31 | 269 | 13 |
| #3 of 459 | Redditreddit.com | Community and social platform | 10.41% | 28 | 269 | 13 |
| #4 of 459 | LinkedInlinkedin.com | Community and social platform | 8.92% | 24 | 269 | 13 |
| #5 of 459 | Openai.comopenai.com | Vendor-owned source | 8.55% | 23 | 269 | 13 |
| #6 of 459 | Github.comgithub.com | Community and social platform | 6.69% | 18 | 269 | 13 |
| #7 of 459 | Mediummedium.com | Community and social platform | 6.69% | 18 | 269 | 13 |
| #8 of 459 | YouTubeyoutube.com | Search or media platform | 6.32% | 17 | 269 | 13 |
| #9 of 459 | Labelstud.iolabelstud.io | Other observed source | 5.95% | 16 | 269 | 13 |
| #10 of 459 | Redis.ioredis.io | Other observed source | 5.20% | 14 | 269 | 13 |
| #11 of 459 | Owlish.botowlish.bot | Other observed source | 4.83% | 13 | 269 | 13 |
| #12 of 459 | Towardsdatascience.comtowardsdatascience.com | Editorial publication | 4.46% | 12 | 269 | 13 |
| #13 of 459 | Github.iogithub.io | Other observed source | 4.09% | 11 | 269 | 13 |
| #14 of 459 | Anthropic.comanthropic.com | Other observed source | 3.72% | 10 | 269 | 13 |
| #15 of 459 | Atlan.comatlan.com | Vendor-owned source | 3.72% | 10 | 269 | 13 |
| #16 of 459 | Customgpt.aicustomgpt.ai | Other observed source | 3.72% | 10 | 269 | 13 |
| #17 of 459 | Towardsai.nettowardsai.net | Analyst and consulting research | 3.72% | 10 | 269 | 13 |
| #18 of 459 | Mbrenndoerfer.commbrenndoerfer.com | Analyst and consulting research | 3.35% | 9 | 269 | 13 |
| #19 of 459 | Umd.eduumd.edu | Academic and government source | 3.35% | 9 | 269 | 13 |
| #20 of 459 | Happysupport.aihappysupport.ai | Vendor-owned source | 2.97% | 8 | 269 | 13 |
| #21 of 459 | Itechguides.comitechguides.com | Market and company database | 2.97% | 8 | 269 | 13 |
| #22 of 459 | Latitude.solatitude.so | Other observed source | 2.97% | 8 | 269 | 13 |
| #23 of 459 | Substack.comsubstack.com | Community and social platform | 2.97% | 8 | 269 | 13 |
| #24 of 459 | Tech Business Newstechbusinessnews.com.au | Editorial publication | 2.97% | 8 | 269 | 13 |
| #25 of 459 | Ai Journalaijourn.com | Editorial publication | 2.60% | 7 | 269 | 13 |
| #26 of 459 | Braincuber.combraincuber.com | Other observed source | 2.60% | 7 | 269 | 13 |
| #27 of 459 | Conferbot.comconferbot.com | Other observed source | 2.60% | 7 | 269 | 13 |
| #28 of 459 | Freecodecamp.orgfreecodecamp.org | Other observed source | 2.60% | 7 | 269 | 13 |
| #29 of 459 | K-ai.aik-ai.ai | Other observed source | 2.60% | 7 | 269 | 13 |
| #30 of 459 | Netray.conetray.co | Other observed source | 2.60% | 7 | 269 | 13 |
| #31 of 459 | Nhimg.orgnhimg.org | Other observed source | 2.60% | 7 | 269 | 13 |
| #32 of 459 | Optyxstack.comoptyxstack.com | Other observed source | 2.60% | 7 | 269 | 13 |
| #33 of 459 | Stackoverflow.comstackoverflow.com | Community and social platform | 2.60% | 7 | 269 | 13 |
| #34 of 459 | Usc.eduusc.edu | Academic and government source | 2.60% | 7 | 269 | 13 |
| #35 of 459 | Kapa.aikapa.ai | Other observed source | 2.23% | 6 | 269 | 13 |
| #36 of 459 | Liveagent.comliveagent.com | Other observed source | 2.23% | 6 | 269 | 13 |
| #37 of 459 | Livehelpnow.netlivehelpnow.net | Other observed source | 2.23% | 6 | 269 | 13 |
| #38 of 459 | Milvus.iomilvus.io | Other observed source | 2.23% | 6 | 269 | 13 |
| #39 of 459 | Readthedocs.ioreadthedocs.io | Other observed source | 2.23% | 6 | 269 | 13 |
| #40 of 459 | Roguedigital.airoguedigital.ai | Other observed source | 2.23% | 6 | 269 | 13 |
| #41 of 459 | Stanford.edustanford.edu | Academic and government source | 2.23% | 6 | 269 | 13 |
| #42 of 459 | Braintrust.devbraintrust.dev | Other observed source | 1.86% | 5 | 269 | 13 |
| #43 of 459 | Chatnexus.iochatnexus.io | Other observed source | 1.86% | 5 | 269 | 13 |
| #44 of 459 | Clinrag.comclinrag.com | Other observed source | 1.86% | 5 | 269 | 13 |
| #45 of 459 | Cornell.educornell.edu | Academic and government source | 1.86% | 5 | 269 | 13 |
| #46 of 459 | Docushell.comdocushell.com | Other observed source | 1.86% | 5 | 269 | 13 |
| #47 of 459 | Ebu.chebu.ch | Other observed source | 1.86% | 5 | 269 | 13 |
| #48 of 459 | Huggingface.cohuggingface.co | Other observed source | 1.86% | 5 | 269 | 13 |
| #49 of 459 | Infoservices.cominfoservices.com | Other observed source | 1.86% | 5 | 269 | 13 |
| #50 of 459 | Instagram.cominstagram.com | Other observed source | 1.86% | 5 | 269 | 13 |
| #51 of 459 | Microsoft.commicrosoft.com | Vendor-owned source | 1.86% | 5 | 269 | 13 |
| #52 of 459 | Minyut.comminyut.com | Other observed source | 1.86% | 5 | 269 | 13 |
| #53 of 459 | Nvidia.comnvidia.com | Vendor-owned source | 1.86% | 5 | 269 | 13 |
| #54 of 459 | Snorkel.aisnorkel.ai | Other observed source | 1.86% | 5 | 269 | 13 |
| #55 of 459 | Agent-context.orgagent-context.org | Other observed source | 1.49% | 4 | 269 | 13 |
| #56 of 459 | Amazon.comamazon.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #57 of 459 | Arizona.eduarizona.edu | Academic and government source | 1.49% | 4 | 269 | 13 |
| #58 of 459 | Bgu.ac.ilbgu.ac.il | Other observed source | 1.49% | 4 | 269 | 13 |
| #59 of 459 | Cyfuture.aicyfuture.ai | Vendor-owned source | 1.49% | 4 | 269 | 13 |
| #60 of 459 | Egain.comegain.com | Academic and government source | 1.49% | 4 | 269 | 13 |
| #61 of 459 | Ertas.aiertas.ai | Other observed source | 1.49% | 4 | 269 | 13 |
| #62 of 459 | HackerNoonhackernoon.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #63 of 459 | Knowledgesdk.comknowledgesdk.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #64 of 459 | Matrixflows.commatrixflows.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #65 of 459 | Mesour.commesour.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #66 of 459 | Nerova.ainerova.ai | Other observed source | 1.49% | 4 | 269 | 13 |
| #67 of 459 | Otago.ac.nzotago.ac.nz | Other observed source | 1.49% | 4 | 269 | 13 |
| #68 of 459 | Precision AI Academyprecisionaiacademy.com | Editorial publication | 1.49% | 4 | 269 | 13 |
| #69 of 459 | Spotdev.co.ukspotdev.co.uk | Other observed source | 1.49% | 4 | 269 | 13 |
| #70 of 459 | TechRadartechradar.com | Editorial publication | 1.49% | 4 | 269 | 13 |
| #71 of 459 | Tianpan.cotianpan.co | Other observed source | 1.49% | 4 | 269 | 13 |
| #72 of 459 | Together.aitogether.ai | Vendor-owned source | 1.49% | 4 | 269 | 13 |
| #73 of 459 | Unicrew.comunicrew.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #74 of 459 | Union.aiunion.ai | Other observed source | 1.49% | 4 | 269 | 13 |
| #75 of 459 | Unstructured.iounstructured.io | Vendor-owned source | 1.49% | 4 | 269 | 13 |
| #76 of 459 | Vardot.comvardot.com | Other observed source | 1.49% | 4 | 269 | 13 |
| #77 of 459 | Vragen.aivragen.ai | Other observed source | 1.49% | 4 | 269 | 13 |
| #78 of 459 | Vsc.ac.atvsc.ac.at | Other observed source | 1.49% | 4 | 269 | 13 |
| #79 of 459 | Y Combinatorycombinator.com | Community and social platform | 1.49% | 4 | 269 | 13 |
| #80 of 459 | 1up.ai1up.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #81 of 459 | Aiwiki.aiaiwiki.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #82 of 459 | Alhena.aialhena.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #83 of 459 | Alibaba.comalibaba.com | Other observed source | 1.12% | 3 | 269 | 13 |
| #84 of 459 | Allahabadi.devallahabadi.dev | Other observed source | 1.12% | 3 | 269 | 13 |
| #85 of 459 | Alliancecan.caalliancecan.ca | Other observed source | 1.12% | 3 | 269 | 13 |
| #86 of 459 | Alphaxiv.orgalphaxiv.org | Other observed source | 1.12% | 3 | 269 | 13 |
| #87 of 459 | Altersquare.ioaltersquare.io | Other observed source | 1.12% | 3 | 269 | 13 |
| #88 of 459 | Barkingiguana.combarkingiguana.com | Other observed source | 1.12% | 3 | 269 | 13 |
| #89 of 459 | Berkeley.eduberkeley.edu | Academic and government source | 1.12% | 3 | 269 | 13 |
| #90 of 459 | Denser.aidenser.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #91 of 459 | Digitalthoughtdisruption.comdigitalthoughtdisruption.com | Other observed source | 1.12% | 3 | 269 | 13 |
| #92 of 459 | Edtek.aiedtek.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #93 of 459 | Facebook.comfacebook.com | Community and social platform | 1.12% | 3 | 269 | 13 |
| #94 of 459 | Greyscript.aigreyscript.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #95 of 459 | Hashnode.devhashnode.dev | Other observed source | 1.12% | 3 | 269 | 13 |
| #96 of 459 | Huaweicloud.comhuaweicloud.com | Other observed source | 1.12% | 3 | 269 | 13 |
| #97 of 459 | Itsueblog.comitsueblog.com | Other observed source | 1.12% | 3 | 269 | 13 |
| #98 of 459 | Lyceum.technologylyceum.technology | Other observed source | 1.12% | 3 | 269 | 13 |
| #99 of 459 | Mastra.aimastra.ai | Other observed source | 1.12% | 3 | 269 | 13 |
| #100 of 459 | Mixpeek.commixpeek.com | Other observed source | 1.12% | 3 | 269 | 13 |
Showing the first 100 rows from 459 observed domains.
Cite this
Machine Relations Index (MRI), Machine Relations Research — machinerelations.ai. AI Infrastructure / Problem-first research: 459 observed source domains in the leaderboard, measured on 269 observed runs across 13 distinct run dates, 2026-05-10 to 2026-11-02. Release mri_score_v2.1+2026-11-02+f9aaeca0db15. https://machinerelations.ai/index/categories/ai-infrastructure/problem_first. CC BY 4.0.Parrott, J. (2026). AI Infrastructure / Problem-first research in the Machine Relations Index (Version mri_score_v2.1+2026-11-02+f9aaeca0db15) [Data set]. Machine Relations Research. https://machinerelations.ai/index/categories/ai-infrastructure/problem_first https://doi.org/10.5281/zenodo.23652423@misc{parrott2026mriaiinfrastructureproblemfirst,
author = {Parrott, Jaxon},
title = {AI Infrastructure / Problem-first research in the Machine Relations Index},
year = {2026},
version = {mri\_score\_v2.1+2026-11-02+f9aaeca0db15},
publisher = {Machine Relations Research},
url = {https://machinerelations.ai/index/categories/ai-infrastructure/problem_first},
doi = {10.5281/zenodo.23652423},
license = {CC-BY-4.0},
note = {Machine Relations Index (MRI), Machine Relations Research — machinerelations.ai}
}Release and boundary
What this segment measures
Published November 2, 2026. The observation window runs May 10, 2026 to November 2, 2026. Methodology v2.1.
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.