{ "data": null, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/people/johannes-hagemann/", "json": "https://www.anchorterminal.com/people/johannes-hagemann/index.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/people/johannes-hagemann/index.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/people/johannes-hagemann/index.min.md" }, "markdown": "Co-founder and CTO.\n\n- X: https://x.com/johannes_hage\n\n## What Johannes builds\n\n- [Prime Agent](https://www.anchorterminal.com/tools/prime-agent.md), graded C, 60.7/100, in Agent harnesses. Prime Agent is an open-source coding and research agent from Prime Intellect, run from a terminal. The model works through a persistent Python REPL, spawns subagents as function calls and keeps sessions running in a background daemon. Co-founder and CTO, researched 2026-10-28.\n\n## Works with\n\n- [Vincent Weisser](https://www.anchorterminal.com/people/vincent-weisser/), Co-founder and CEO\n\n## Backed by\n\n- [Founders Fund](https://www.anchorterminal.com/investors/founders-fund/)\n- [Menlo Ventures](https://www.anchorterminal.com/investors/menlo-ventures/)\n- [Radical Ventures](https://www.anchorterminal.com/investors/radical-ventures/)\n- [NVIDIA](https://www.anchorterminal.com/investors/nvidia/)\n- [Intel](https://www.anchorterminal.com/investors/intel/)\n- [Dell Technologies](https://www.anchorterminal.com/investors/dell-technologies/)\n- [Andrej Karpathy](https://www.anchorterminal.com/investors/andrej-karpathy/)\n- [Clem Delangue](https://www.anchorterminal.com/investors/clem-delangue/)\n- [Dylan Patel](https://www.anchorterminal.com/investors/dylan-patel/)\n- [Tri Dao](https://www.anchorterminal.com/investors/tri-dao/)\n- [Emad Mostaque](https://www.anchorterminal.com/investors/emad-mostaque/)\n- [Jake Medwell](https://www.anchorterminal.com/investors/jake-medwell/)\n- [John Schulman](https://www.anchorterminal.com/investors/john-schulman/)\n- [Karim Atiyeh](https://www.anchorterminal.com/investors/karim-atiyeh/)\n- [Aaron Levie](https://www.anchorterminal.com/investors/aaron-levie/)\n- [Dwarkesh Patel](https://www.anchorterminal.com/investors/dwarkesh-patel/)\n- [Milan Kovac](https://www.anchorterminal.com/investors/milan-kovac/)\n- [Winston Weinberg](https://www.anchorterminal.com/investors/winston-weinberg/)\n- [Mike Knoop](https://www.anchorterminal.com/investors/mike-knoop/)\n- [Asher Spector](https://www.anchorterminal.com/investors/asher-spector/)\n- [Jeff Wang](https://www.anchorterminal.com/investors/jeff-wang/)\n- [Rohan Anil](https://www.anchorterminal.com/investors/rohan-anil/)\n- [Matthew Prince](https://www.anchorterminal.com/investors/matthew-prince/)\n- [Brendan Foody](https://www.anchorterminal.com/investors/brendan-foody/)\n- [Devansh Pandey](https://www.anchorterminal.com/investors/devansh-pandey/)\n- [Harrison Chase](https://www.anchorterminal.com/investors/harrison-chase/)\n- [Nic Ouporov](https://www.anchorterminal.com/investors/nic-ouporov/)\n\n## Questions\n\n### Who is Johannes Hagemann?\n\nJohannes Hagemann is co-founder and CTO.\n\n### What does Prime Intellect make?\n\nAnchor Terminal lists Prime Agent from Prime Intellect. Prime Agent is an open-source coding and research agent from Prime Intellect, run from a terminal. The model works through a persistent Python REPL, spawns subagents as function calls and keeps sessions running in a background daemon.\n\n### Who has invested in Prime Intellect?\n\nThe sources our research read name Founders Fund, Menlo Ventures, Radical Ventures, NVIDIA, Intel, Dell Technologies, Andrej Karpathy, Clem Delangue, Dylan Patel, Tri Dao, Emad Mostaque, Jake Medwell, John Schulman, Karim Atiyeh, Aaron Levie, Dwarkesh Patel, Milan Kovac, Winston Weinberg, Mike Knoop, Asher Spector, Jeff Wang, Rohan Anil, Matthew Prince, Brendan Foody, Devansh Pandey, Harrison Chase and Nic Ouporov.\n\n### How are Johannes's tools graded?\n\nPrime Agent is graded C, 60.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://www.primeintellect.ai/\n- https://www.primeintellect.ai/contact\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-28", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.7", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "People building AI tools", "url": "https://www.anchorterminal.com/people/" }, { "name": "Johannes Hagemann", "url": "" } ], "description": "Johannes Hagemann is co-founder and CTO. 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