AX Field Notes

Cases

How individual companies put AI to work, rebuilt from primary sources.

  1. Paraform Flips the Order of Hiring

    Hiring managers see candidates first, and AI only makes the first-pass call

    Paraform blog and help center · 2026-03-02

  2. Insilico Keeps the Robots, Agents Handle Coordination

    Five agents plan the experiments and researchers confirm at only three points

    Company press release · 2026-05-06

  3. OpenAI: 3.1 Agent Days per Human Workday

    Over half of the successful 4–8 hour tasks had human intervention

    OpenAI company report · 2026-09-06

  4. Anthropic, Where Human Attention Became the Bottleneck

    Agents work six times the staff hours, yet about 80% of sessions sit waiting

    Anthropic research reports on its own workforce (self-study) · 2026-10-16

  5. At Every, No One Writes Code, but People Are the Bread of the Sandwich

    A team that stopped hand coding and moved to planning, review, and recording lessons

    Every's own articles and podcast transcript, plus vendor customer stories · 2025-12-11

  6. A Dentist's Back-Room AI Server Protects Patient Data

    Insurance lines 77% auto-confirmed, staff review only the 23% exceptions

    arca.live community post (self-reported) · 2026-10-13

  7. MPB Hits 48% Resolution by Revamping Its Help Center

    Response rules that absorbed logistics-delay inquiries without adding staff

    Intercom Fin customer story

  8. SoftBank Resolves 70% of Website Inquiries

    From about 50% at launch, it improved as the agent learned to hear out customer intent

    Sierra customer story · 2026-07-14

  9. Heurist Finance Buys Data for Every Question

    A spending cap on each run lets it buy only the paid data it needs, in real time

    AWS Machine Learning Blog (co-authored by Heurist and AWS) · 2026-09-09

  10. Freshworks Has Codex Check Claude's Work

    Cross-review between different models filters out bias and defects

    Freshworks Engineering Blog (Medium) · 2026-05-28

  11. Nippon Life Grades 8,830 Meeting Records

    A prompt ten A4 pages long corrected the AI's habit of reading the company's own remarks too kindly

    Oliver Wyman client case study (Insights) + interview video · 2026-05-28

  12. Why Gamma Turned Its Paused AI Support Back On

    How 23 people handle 50 million users' questions while holding 84% satisfaction

    Intercom Fin customer story

  13. Rocket Money Cuts Inquiry Rerouting

    An operating model that began with 10% of chats and came to resolve 68% of the chats Fin handled

    Intercom Fin customer story

  14. Affirm's One-Week Pause Experiment

    Why it stopped all development and switched to AI agents

    Affirm Tech Blog (Medium) · 2026-04-27

  15. KTern.AI Ships Agents in 4 to 6 Hours

    It runs on prompts and tool settings alone, with no orchestration code

    AWS Machine Learning Blog (co-authored by KTern.AI and AWS) · 2026-07-10

  16. Spotify Chose an Agent Over a 20,000-Line Script

    Verifiers and an LLM judge blocked changes that went beyond the instructions

    Claude customer story + Spotify Engineering (Honk Part 1·3)

  17. Warp's 10-Minute Rule and a 40–50% Completion Rate

    It banned outcome-only prompts and turned failures into evaluation assets

    First Round editorial · 2025-10-08

  18. HubSpot Merges 7,000+ AI PRs Through Hook Controls

    Builds cut to 2–3 minutes to give agents a fast feedback loop

    HubSpot Product Blog (engineering) · 2026-01-23

  19. Equipter: Reply Time Cut From 8 Hours to Minutes

    An agent running in two weeks on a standard template revived sales opportunities

    Salesforce customer story · approx. 2026-03-18

  20. Wyndham Cuts 30-Day Standards Reviews by 94%

    AI handles 28% of calls, and average call time drops 30–50%

    PwC case study

  21. How 9 People Manage 50,000 Companies at Merge

    A three-layer automation that tracks 1,500 accounts and lifted meetings by 15%

    Clay customer story

  22. Shopify Opens Up 3,000 Cursor Licenses

    Support and sales adopted AI first, with no cap on tokens and a spending leaderboard

    First Round editorial · 2025-07-15

  23. ZoomInfo Ports 938 Files in a Week

    How 15 agents finished a framework switch that used to take six months

    ZoomInfo Engineering Blog · 2026-04-08

  24. WHOOP Ends the 10-Hour Wait

    Fin handles 84% of pre-purchase questions and removes the response lag

    Intercom Fin customer story

  25. Jukebox: 98% of Cancelers Reorder in 2 Minutes

    Live support that keeps pace with same-day production, and instant cancellations

    Intercom Fin Customer Story

  26. Clay Answers 20,000 Slack Members in 10 Seconds

    Expanding from in-app chat to email, it reached a resolution rate of up to 50%

    Intercom Fin Customer Story

  27. Checkout.com's HAL Writes 18% of Its PRs

    How narrow, well-bounded tasks let an agent fill 18% of all change requests

    Checkout.com Engineering Blog · 2026-06-17

  28. Money Forward Takes Coding Agents to Planning and QA

    Faster development exposed bottlenecks in planning, design and QA, and it fixed them

    Cursor Customer Case Study · 2026-03-18

  29. Generali GC&C Underwrites From the Inbox

    AI that never leaves the inbox speeds up pre-bind underwriting by 80%

    Capgemini Client Story · 2026

  30. Craft Docs: A Company-Wide Agent Built in Two Weeks

    Tickets take 2–3 minutes, and one engineer moved 60 services in a week

    The Pragmatic Engineer Deepdive · 2026-01-27

  31. Coinbase: Agents Now Write 75% of Its PRs

    Idea to first PR in under 30 minutes, and release time cut to 1.8 days

    Cursor Customer Case Study · 2026-06-23

  32. Why Monzo Built Its Own Coding Agent in Three Weeks

    It handles 1,800 tasks a day and writes about 10% of merged pull requests

    Monzo engineering blog · 2026-08-13

  33. How Three People Support 1,800 Staff at Remote

    Ticket assignment done with an Okta identity lookup and a single emoji

    Zapier customer story · 2025

  34. BioRender Ends Its Team's 45-Minute Morning Sort

    How a four-person team raised throughput 50% without new hires and resolved issues three days sooner

    Zapier customer story · 2025

  35. Carta Cuts Cash Reconciliation from 11 Minutes to Seconds

    Turning accountants' flowcharts into prompts saves more than 3,500 hours a month

    First Round Review · 2025-07-22

  36. Block Declares a Shift from Hierarchy to an Intelligence System

    Designing context with a world model and working in three roles

    Block official essay (Jack Dorsey & Roelof Botha) · 2026-03-31

  37. How Intercom Opened Up the Reasons Behind Its Lead Data

    Showing why leads were picked grew outbound-sourced pipeline by 140%

    Clay customer story · 2026-09

  38. LendingTree's Loan Assistant

    How it resolved more than 97% of complex loan conversations with no human

    AWS ML Blog Case Study · 2026-08-05

  39. Linktree: $520,000 a Year of Moderation for $20,000

    How a team of under 200 people supports 70 million users

    First Round Applied Intelligence · 2025-08-28

  40. Konecta: The 10-20-70 Rule and Kolibri

    How an organization redesign and a single platform cut handling time

    BCG & BCG X client case

  41. Glide Cuts Deployment from 23 Hours to 14 Minutes

    How an agent-ready process cut development time by 60%

    Glide Engineering Blog · 2026-08-06

  42. Neo: An Overnight Migration and 20,000+ Resolutions a Month

    How linking Fin to financial systems let it solve 71% of chats on its own

    Intercom Fin customer story

  43. Brex Cuts Card Dispute Handling from 3 Hours to 3 Seconds

    Operations automation built on a shared tool standard and a three-level role redesign

    First Round Applied Intelligence · 2025-09-25

  44. bunq Drops the Central Router for 3 to 5 Primary Agents

    Linking specialist agents as tools to handle 97% of customer support

    AWS Machine Learning Blog · 2026-01-21

  45. MerciYanis Hands Its Backlog to AI Agents

    How it reached a merge rate of about 95% by giving agents the backlog

    MerciYanis Engineering Blog · 2026-04-20

  46. Kavak Gives Up on the Copilot

    How it put an AI agent in the middle of 90 to 95% of customer interactions

    a16z Podcast · 2026-02-18

  47. Faire: One Engineer and a Swarm Finish 18 Months of Work

    Dropping homegrown infrastructure for cloud agents, and the productivity it brought

    Cursor Customer Stories · 2026-05-26

  48. Personio Turns a 400-Person Sales Team into an AI Team

    How it cut customer research to 15 minutes and doubled pipeline per rep

    SaaStr (Philip Lacor CRO) · 2026-01-07

  49. monday.com's AI Agents at Work

    How AI merges 19 of 20 pull requests with no human involved

    AWS ML Blog · 2026-07-22

  50. How Vercel Put AI into Its Sales Team

    How Vercel cut inbound sales from ten people to one and kept conversion

    SaaStr (primary) / drew.tech / Tunguz · 2026-07

  51. Paychex Puts AI Inside Its Payroll Engine

    Shadow-mode testing cut payroll turnaround time by 80%

    Bain client results · 2026-05-11