{ "slug": "dp_008-q08-codex", "dp": "dp_008", "files": 299, "qid": "q08", "family": "multi_hop", "prompt": "What were the four components of the initial technical stack proposed by Ben Carter for Project Hummingbird, and on what date did Chloe Davis officially start as CogniSynth's Founding Software Engineer?", "gold": "Ben Carter's initial technical stack proposal for Project Hummingbird was: (1) Backend: Python (with FastAPI); (2) Frontend: React; (3) Machine Learning: PyTorch; (4) Infrastructure: AWS. Chloe Davis's official start date as Founding Software Engineer was Monday, March 6, 2023.", "agent": "codex", "fs": { "agent": "codex", "success": true, "steps": 1, "inputTokens": 303098, "outputTokens": 2494, "totalTokens": 305592, "cost": 3.712, "durationMs": 45379, "answer": "Ben Carter\u2019s initial Project Hummingbird stack was:\n\n1. **Backend:** Python with FastAPI \n2. **Frontend:** React \n3. **Machine Learning:** PyTorch \n4. **Infrastructure:** AWS \n\nChloe Davis officially started as CogniSynth\u2019s Founding Software Engineer on **Monday, March 6, 2023**.\n\nSources: [memo_initial_tech_stack_proposal.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/team/engineering/memo_initial_tech_stack_proposal.md:14), [offer_letter_chloe_davis.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/hiring/offer_letter_chloe_davis.md:47), [email_payroll_setup_gusto.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/team/finance/email_payroll_setup_gusto.md:12).", "judgeReason": "covers all asked facts", "toolCalls": 8, "trajectory": [ { "step": 1, "inputTokens": 303098, "outputTokens": 2494, "text": "I\u2019ll search the local `agent_memory` first since the repo instructions say the answer is there.\nI found likely source files: Ben\u2019s initial tech stack proposal and Chloe\u2019s offer letter/CI IA. I\u2019m opening those now to verify the exact wording and date.\nBen Carter\u2019s initial Project Hummingbird stack was:\n\n1. **Backend:** Python with FastAPI \n2. **Frontend:** React \n3. **Machine Learning:** PyTorch \n4. **Infrastructure:** AWS \n\nChloe Davis officially started as CogniSynth\u2019s Founding Software Engineer on **Monday, March 6, 2023**.\n\nSources: [memo_initial_tech_stack_proposal.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/team/engineering/memo_initial_tech_stack_proposal.md:14), [offer_letter_chloe_davis.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/hiring/offer_letter_chloe_davis.md:47), [email_payroll_setup_gusto.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/fs/dp_008/agent_memory/team/finance/email_payroll_setup_gusto.md:12).", "toolCalls": [ { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg --files agent_memory'\"}", "outputPreview": "agent_memory/investors/outreach/email_maya_to_sarah_romano_intros.md\nagent_memory/investors/outreach/email_intro_request_to_kevin_yi.md\nagent_memory/investors/outreach/email_cold_outreach_to_apex_partners.md\nagent_memory/investors/outreach/email_maya_to_various_investors_wave2.md\nagent_memory/investors/outreach/email_sarah_romano_intro_to_foundry.md\nagent_memory/investors/outreach/email_maya_to_da\u2026", "outputChars": 18184 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"sed -n '1,220p' agent_memory/team/engineering/memo_initial_tech_stack_proposal.md\\\"\"}", "outputPreview": "MEMORANDUM\n\nTO: CogniSynth Engineering Team\nFROM: Ben Carter, Co-Founder & CTO\nDATE: February 10, 2023\nRE: Project Hummingbird - Initial Technical Stack Proposal\n\nTeam,\n\nAs we ramp up efforts on Project Hummingbird, it's critical that we establish a clear and robust technical foundation. This memo outlines my initial proposal for the core technology stack that will underpin the project. The goal h\u2026", "outputChars": 32134 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"sed -n '1,220p' agent_memory/hiring/offer_letter_chloe_davis.md\\\"\"}", "outputPreview": "EMPLOYMENT OFFER AGREEMENT\n\nThis Employment Offer Agreement (the \"Agreement\") is made and entered into as of March 1, 2023 (the \"Effective Date\"), by and between CogniSynth, Inc., a Delaware corporation (the \"Company\"), and Chloe Davis (the \"Employee\").\n\nWHEREAS, the Company is a cutting-edge artificial intelligence research and development firm focused on novel natural language processing and gen\u2026", "outputChars": 32661 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg -n \\\"Chloe Davis|Founding Software Engineer|start date|officially start|effective\\\" agent_memory'\"}", "outputPreview": "agent_memory/investors/outreach/email_intro_request_to_kevin_yi.md:369:From: Chloe Davis \nagent_memory/investors/outreach/email_intro_request_to_kevin_yi.md:391:Chloe Davis\nagent_memory/investors/outreach/email_intro_request_to_kevin_yi.md:401:To: Chloe Davis \nagent_memory/investors/outreach/email_maya_to_various_investors_wave2.md:213:To expan\u2026", "outputChars": 500107 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/hiring/offer_letter_chloe_davis.md | sed -n '1,70p'\\\"\"}", "outputPreview": " 1\tEMPLOYMENT OFFER AGREEMENT\n 2\t\n 3\tThis Employment Offer Agreement (the \"Agreement\") is made and entered into as of March 1, 2023 (the \"Effective Date\"), by and between CogniSynth, Inc., a Delaware corporation (the \"Company\"), and Chloe Davis (the \"Employee\").\n 4\t\n 5\tWHEREAS, the Company is a cutting-edge artificial intelligence research and development firm focused on novel \u2026", "outputChars": 13500 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/team/engineering/memo_initial_tech_stack_proposal.md | sed -n '1,45p'\\\"\"}", "outputPreview": " 1\tMEMORANDUM\n 2\t\n 3\tTO: CogniSynth Engineering Team\n 4\tFROM: Ben Carter, Co-Founder & CTO\n 5\tDATE: February 10, 2023\n 6\tRE: Project Hummingbird - Initial Technical Stack Proposal\n 7\t\n 8\tTeam,\n 9\t\n 10\tAs we ramp up efforts on Project Hummingbird, it's critical that we establish a clear and robust technical foundation. This memo outlines my initial proposal fo\u2026", "outputChars": 7071 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/hiring/offer_letter_chloe_davis.md | sed -n '210,245p'\\\"\"}", "outputPreview": "", "outputChars": 0 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba agent_memory/team/finance/email_payroll_setup_gusto.md | sed -n '1,25p;408,418p'\\\"\"}", "outputPreview": " 1\tFrom: maya.singh@cognisynth.ai\n 2\tTo: greg.m@finovo-cpa.com\n 3\tDate: Mon, 27 Feb 2023 10:15:37 -0800\n 4\tSubject: Payroll Setup for New Hires - CogniSynth\n 5\t\n 6\tHi Greg,\n 7\t\n 8\tHope you're having a good start to the week!\n 9\t\n 10\tFollowing up on our onboarding discussion (thanks again for getting everything set up with QuickBooks, that was super smooth!), \u2026", "outputChars": 1904 } ] } ] }, "smfs": { "agent": "codex", "success": true, "steps": 1, "inputTokens": 164230, "outputTokens": 1900, "totalTokens": 166130, "cost": 2.0278, "durationMs": 37344, "answer": "Ben Carter\u2019s initial Project Hummingbird stack had four components:\n\n1. Backend: Python with FastAPI\n2. Frontend: React\n3. Machine Learning: PyTorch\n4. Infrastructure: AWS\n\nChloe Davis officially started as CogniSynth\u2019s Founding Software Engineer on Monday, March 6, 2023.\n\nSources: [memo_initial_tech_stack_proposal.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_008/agent_memory/team/engineering/memo_initial_tech_stack_proposal.md:14), [offer_letter_chloe_davis.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_008/agent_memory/hiring/offer_letter_chloe_davis.md:176).", "judgeReason": "covers all asked facts", "toolCalls": 9, "trajectory": [ { "step": 1, "inputTokens": 164230, "outputTokens": 1900, "text": "I\u2019ll search the mounted memory first, since the project instructions say the answer is there. I\u2019m looking for both \u201cProject Hummingbird\u201d and Chloe Davis\u2019s start date, then I\u2019ll verify the source lines before answering.\nThe semantic hits point to the technical architecture and frontend/hiring memos. I\u2019ll open those files around the relevant passages and cross-check with literal search for \u201cinitial technical stack\u201d and Chloe\u2019s title.\nBen Carter\u2019s initial Project Hummingbird stack had four components:\n\n1. Backend: Python with FastAPI\n2. Frontend: React\n3. Machine Learning: PyTorch\n4. Infrastructure: AWS\n\nChloe Davis officially started as CogniSynth\u2019s Founding Software Engineer on Monday, March 6, 2023.\n\nSources: [memo_initial_tech_stack_proposal.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_008/agent_memory/team/engineering/memo_initial_tech_stack_proposal.md:14), [offer_letter_chloe_davis.md](/Users/prasanna/Documents/supermemoryai/supermemoryfs/.scratch/eval/eval/workspace/smfs/dp_008/agent_memory/hiring/offer_letter_chloe_davis.md:176).", "toolCalls": [ { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc ls\"}", "outputPreview": "customers\ndecks\nhiring\ninvestors\nlegal\nmemory\nprofile.md\nteam\n", "outputChars": 62 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'smfs grep \\\"Chloe Davis officially started Founding Software Engineer CogniSynth date\\\"'\"}", "outputPreview": "# supermemory semantic search \u2014 10 results for \"Chloe Davis officially started Founding Software Engineer CogniSynth date\"\n# searches by meaning across files in this container. usage:\n# grep \"natural language query\" search all files\n# grep \"query\" path/to/dir/ search within directory\n# output: :-: (chunk text is verbatim from the fil\u2026", "outputChars": 2029 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'smfs grep \\\"Ben Carter Project Hummingbird initial technical stack four components\\\"'\"}", "outputPreview": "# supermemory semantic search \u2014 10 results for \"Ben Carter Project Hummingbird initial technical stack four components\"\n# searches by meaning across files in this container. usage:\n# grep \"natural language query\" search all files\n# grep \"query\" path/to/dir/ search within directory\n# output: :-: (chunk text is verbatim from the file)\n\u2026", "outputChars": 2320 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba memory/memos/memo_technical_architecture_overview_v1.md | sed -n '1,220p'\\\"\"}", "outputPreview": " 1\tMEMORANDUM\n 2\t\n 3\tTO: Engineering Team\n 4\tFROM: Ben Carter, CTO\n 5\tDATE: March 28, 2023\n 6\tRE: Project Hummingbird - Initial Technical Architecture Overview\n 7\t\n 8\tThis memo serves as the first comprehensive overview of the technical architecture we'll be adopting for Project Hummingbird. As we move forward, this will be our guiding document for engineering decis\u2026", "outputChars": 17836 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba memory/memos/memo_frontend_architecture_proposal.md | sed -n '1,220p'\\\"\"}", "outputPreview": " 1\tMEMORANDUM\n 2\t\n 3\tTO: CogniSynth Engineering Team\n 4\tFROM: Chloe Davis, Founding Software Engineer\n 5\tDATE: March 20, 2023\n 6\tSUBJECT: Proposal for a Unified Frontend Architecture\n 7\t\n 8\tTeam,\n 9\t\n 10\tI've been thinking a lot lately about our frontend development trajectory, particularly as we scale and onboard new engineers. We're at a critical juncture w\u2026", "outputChars": 30754 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg -n \\\"initial technical stack|technical stack|Ben Carter|Project Hummingbird|Chloe Davis|Founding Software Engineer|officially\\\" .'\"}", "outputPreview": "./investors/follow_ups/email_maya_sends_diligence_package_to_foundry.md:26:I\u2019ve also included a link to Ben's technical deck in the data room \u2013 it goes into detail on our architecture, the specific models we\u2019re using for Project Hummingbird (which is our internal codename for the core generative engine, not to be confused with the marketing name we're testing), and our long-term vision. It's quite\u2026", "outputChars": 253706 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"nl -ba team/engineering/memo_initial_tech_stack_proposal.md | sed -n '1,180p'\\\"\"}", "outputPreview": " 1\tMEMORANDUM\n 2\t\n 3\tTO: CogniSynth Engineering Team\n 4\tFROM: Ben Carter, Co-Founder & CTO\n 5\tDATE: February 10, 2023\n 6\tRE: Project Hummingbird - Initial Technical Stack Proposal\n 7\t\n 8\tTeam,\n 9\t\n 10\tAs we ramp up efforts on Project Hummingbird, it's critical that we establish a clear and robust technical foundation. This memo outlines my initial proposal fo\u2026", "outputChars": 33333 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc \\\"find . -iname '*chloe*' -o -iname '*davis*'\\\"\"}", "outputPreview": "./hiring/offer_letter_chloe_davis.md\n./legal/ciia_agreement_signed_chloe_davis.md\n./team/slack/export_dms_chloe_leo_2023-05-25.md\n", "outputChars": 130 }, { "name": "command_execution", "input": "{\"command\": \"/bin/zsh -lc 'rg -n \\\"Chloe Davis Offer Letter|offer.*Chloe|Start Date|Commencement Date|Founding Software Engineer\\\" hiring team legal memory -S'\"}", "outputPreview": "hiring/offer_letter_sam_chen.md:41:2.1. **Start Date**. The Employee's employment hereunder shall commence on March 6, 2023 (the \"Commencement Date\"). We\u2019re really excited to have you officially onboard then. That Monday morning will be\u2026 well, it\u2019ll be a mix of intense onboarding and diving straight into the deep end, probably! Chloe and Leo have prepared a pretty thorough initial schedule for you\u2026", "outputChars": 29523 } ] } ] } }