AI software factory case studies

SWFT

13 min read Original article ↗

How companies build AI software factories

Compare 24 documented systems across software, finance and other industries. Find how each works, who reviews the result, and what is publicly available.

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About this comparison

Search for a company, system or task, or browse by sector. Reported use describes the scope of the workflow. Access tells you what is public, commercial or internal.

Company results are first-party reports unless otherwise labeled; unknowns are written out. Source dates describe the evidence window, not a promise that every system still operates unchanged.

24 company cases · alphabetical, not ranked · source checks range from September 1, 2026 to September 8, 2026 by Codex (AI agents); each row retains its own date

24 of 24 cases

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Company software factory comparison. Latest source check: September 8, 2026; individual dates below.
Company and systemMain jobReported useHuman checkpointAccessSources checked
AirbnbLLM migration pipelineTransport and travelUpdate nearly 3,500 React test files and check each result.Single-task production lineOne completed production migration program.People improved the workflow and finished the final 3% of files.Not publicly availableThe migration system is described publicly; its code is internal.

First-party report

AmazonQ Developer code transformationCommerceUpgrade large portfolios of production Java applications.Single-task production lineTens of thousands of migrations; AWS is retiring the product.Developers review and accept each proposed upgrade.Existing customersEligible existing customers retain transformation access through April 30, 2027; AWS directs new work to AWS Transform.

First-party report

AnthropicClaude Code and Claude TagSoftware and AISupport coding, review, and incident response with shared instructions and checks.Product with internal useCommercial products used throughout Anthropic's own engineering work.People set review, release, and incident permissions according to risk.MixedClaude products are public; Anthropic's internal Tag and integrations are private.

First-party report

BlockBuilderbot, Goose, and BuzzFinance and tradingTurn Slack requests and tickets into tested code changes for review.Internal operationBuilderbot is used internally; Buzz remains in early internal testing.People steer work, review changes, and approve consequential actions.MixedGoose, Builderbot, and Buzz have public repositories; internal services differ.

First-party reportObserved artifact

Capital OneContext Specs, VulnHunter, and DataAgentsFinance and tradingPlan changes, repair security findings, and generate data rules with different checks for each task.Single-task production lineInternal security and data projects are reported alongside a public planning framework.Engineers review repairs and validate domain rules; agreement among agents is only one check.MixedContext Specs and VulnHunter are public; the bank's underlying systems and DataAgents project are internal.

First-party reportObserved artifact

CloudflareInternal AI engineering stackSoftware and AIManage agent access, shared information, tools, spending, and code review.Internal operationCompany-wide internal system across thousands of repositories.People approve changes; automated rules can block serious findings.InternalThe internal system uses some services available as public products.

First-party report

CognitionDevinSoftware and AITurn bug reports, design checks, and routine tasks into proposed code changes.Product with internal useCognition uses Devin to develop its own product.People write task instructions, review changes, and control releases.CommercialDevin is commercial; the internal code and operating data are private.

First-party report

CursorCloud agents and security agentsSoftware and AIPrepare code changes in parallel with evidence for reviewers.Product with internal useCommercial agents plus internal review and security workflows.People assess findings, review changes, and decide what ships.MixedCursor is commercial; a security-automation reference implementation is public.

First-party reportObserved artifact

DropboxNova and DeflakerSoftware and AIRun coding sessions and repeated repair tasks through one shared service.Internal operationInternal use for failed builds, intermittent test failures, and migrations.Task owners define checks; workflow code controls publication and retry limits.Not publicly availableNova and Deflaker are internal systems described in a public engineering article.

First-party report

GitHubCopilot coding agentSoftware and AITurn assigned issues into draft code changes for review on GitHub.Product with internal useCommercial product used in the repository that builds github.com.Another person approves the work; existing code and test rules still apply.CommercialCopilot coding agent is a commercial GitHub capability.

First-party report

ItaúDevinFinance and tradingConnect codebase knowledge with repeated software maintenance and review.Internal operationBroad adoption reported in a vendor-hosted customer account.Engineers review patches and generated tests.CommercialDevin is commercial; bank systems remain private.

First-party report

Jane StreetAIDEFinance and tradingBuild internal tools with agent-readable tests and a custom coding environment.Internal operationInternal use is documented; adoption and concurrent session counts are undisclosed.Engineers assess behavior the tests do not capture; release authority is not publicly detailed.MixedAIDE is internal; Bonsai_term and example applications are public.

First-party report

LinearCoding SessionsSoftware and AIAssign and review coding-agent tasks from issues and team chat.Product with internal useCommercial product with reported internal design and issue-triage use.People inspect changes and test evidence, then decide whether to merge.CommercialCoding Sessions is a commercial Linear capability; the implementation is private.

First-party report

LinkedInCAPTMedia and networksGive coding agents reusable company instructions and approved internal tools.Internal operationInternal system reported in use by more than 1,000 engineers.Specialists maintain the instructions; engineers remain responsible for results.Not publicly availableCAPT is internal; it connects tools through the open Model Context Protocol.

First-party report

MetaCapacity Efficiency agentsMedia and networksInvestigate performance problems and propose code changes for review.Internal operationInternal workflow for performance problems and improvement opportunities.Engineers review, deploy, and remain responsible for the proposed fix.Not publicly availableThe agent platform and its skills are internal.

First-party report

OpenAICodex and SymphonySoftware and AITake tasks from a project board, work in isolation, and review the results.Internal operationInternal teams plus one fully agent-written experimental product repository.People set priorities and acceptance rules; agents can review each other's changes.MixedCodex CLI and Symphony are public; internal repositories and operating data are not.

First-party reportObserved artifact

RampInspectFinance and tradingRun coding tasks remotely with company information and prepared workspaces.Internal operationInternal platform supporting several specialized engineering workflows.Agents prepare changes; people review and merge them.Not publicly availableInspect is internal; an independent inspired implementation is public.

First-party reportObserved artifact

ReplitInternal agent fleetsSoftware and AICoordinate parallel tasks across company systems and check the results.Product with internal useCommercial product plus an internal system where agents coordinate other agents.People set policy, review changes according to risk, and judge product outcomes.CommercialReplit Agent is public and commercial; internal orchestration and data are private.

First-party report

ShopifyWorld, River, and AquiferCommerceWork with employees in shared Slack threads and preserve task history across interruptions.Internal operationRiver operates internally; Aquifer was being introduced beneath it in May 2026.Employees join company-visible threads, redirect work, and review proposed changes.MixedRoast is open source; River, Aquifer, and Dispatch are internal.

First-party report

SpotifyHonk and FleetshiftMedia and networksMaintain code and migrate data across many repositories.Internal operationInternal agent workflows use Spotify's existing tools for maintaining many services.People start tasks, review and merge changes, and handle unresolved cases.MixedHonk is internal; Fleetshift is available as a managed Backstage product.

First-party report

StripeMinionsFinance and tradingComplete coding tasks in the background and return checked changes for review.Internal operationInternal system processing a large volume of background coding tasks.The initiator inspects the result and another engineer reviews the pull request.Not publicly availableMinions and its Stripe-specific infrastructure are internal.

First-party report

TempoCustom AgentsSoftware and AITurn prioritized product issues into parallel tasks and proposed changes.Early rolloutInternal-use examples are public; company-wide scale is not stated.People prioritize tasks and review proposed code or media edits.CommercialTempo's agent products are commercial; internal operating details are limited.

First-party report

UberSoftware FactoryTransport and travelCoordinate coding tasks, share relevant information, check results, and track cost.Internal operationInternal platform spanning several stages of software development.People choose useful work, assess quality, accept changes, and control release.Not publicly availableUber's factory infrastructure is internal.

First-party report

VerceleveSoftware and AIRun agents with saved progress, isolated workspaces, access rules, and checks.Internal operationMore than 100 deployed internal agents reported; simultaneous worker count is unstated.Engineers set checks and release controls and remain responsible for results.MixedThe eve framework is open source; Vercel's internal agents and connections are private.

First-party reportObserved artifact

  1. Airbnb

    LLM migration pipeline · Transport and travel

    Main job
    Update nearly 3,500 React test files and check each result.

    Compare details

    Reported use
    Single-task production line One completed production migration program.

    Human checkpoint
    People improved the workflow and finished the final 3% of files.

    Access
    Not publicly available The migration system is described publicly; its code is internal.

    Sources checked

    First-party report

  2. Amazon

    Q Developer code transformation · Commerce

    Main job
    Upgrade large portfolios of production Java applications.

    Compare details

    Reported use
    Single-task production line Tens of thousands of migrations; AWS is retiring the product.

    Human checkpoint
    Developers review and accept each proposed upgrade.

    Access
    Existing customers Eligible existing customers retain transformation access through April 30, 2027; AWS directs new work to AWS Transform.

    Sources checked

    First-party report

  3. Anthropic

    Claude Code and Claude Tag · Software and AI

    Main job
    Support coding, review, and incident response with shared instructions and checks.

    Compare details

    Reported use
    Product with internal use Commercial products used throughout Anthropic's own engineering work.

    Human checkpoint
    People set review, release, and incident permissions according to risk.

    Access
    Mixed Claude products are public; Anthropic's internal Tag and integrations are private.

    Sources checked

    First-party report

  4. Block

    Builderbot, Goose, and Buzz · Finance and trading

    Main job
    Turn Slack requests and tickets into tested code changes for review.

    Compare details

    Reported use
    Internal operation Builderbot is used internally; Buzz remains in early internal testing.

    Human checkpoint
    People steer work, review changes, and approve consequential actions.

    Access
    Mixed Goose, Builderbot, and Buzz have public repositories; internal services differ.

    Sources checked

    First-party reportObserved artifact

  5. Capital One

    Context Specs, VulnHunter, and DataAgents · Finance and trading

    Main job
    Plan changes, repair security findings, and generate data rules with different checks for each task.

    Compare details

    Reported use
    Single-task production line Internal security and data projects are reported alongside a public planning framework.

    Human checkpoint
    Engineers review repairs and validate domain rules; agreement among agents is only one check.

    Access
    Mixed Context Specs and VulnHunter are public; the bank's underlying systems and DataAgents project are internal.

    Sources checked

    First-party reportObserved artifact

  6. Cloudflare

    Internal AI engineering stack · Software and AI

    Main job
    Manage agent access, shared information, tools, spending, and code review.

    Compare details

    Reported use
    Internal operation Company-wide internal system across thousands of repositories.

    Human checkpoint
    People approve changes; automated rules can block serious findings.

    Access
    Internal The internal system uses some services available as public products.

    Sources checked

    First-party report

  7. Cognition

    Devin · Software and AI

    Main job
    Turn bug reports, design checks, and routine tasks into proposed code changes.

    Compare details

    Reported use
    Product with internal use Cognition uses Devin to develop its own product.

    Human checkpoint
    People write task instructions, review changes, and control releases.

    Access
    Commercial Devin is commercial; the internal code and operating data are private.

    Sources checked

    First-party report

  8. Cursor

    Cloud agents and security agents · Software and AI

    Main job
    Prepare code changes in parallel with evidence for reviewers.

    Compare details

    Reported use
    Product with internal use Commercial agents plus internal review and security workflows.

    Human checkpoint
    People assess findings, review changes, and decide what ships.

    Access
    Mixed Cursor is commercial; a security-automation reference implementation is public.

    Sources checked

    First-party reportObserved artifact

  9. Dropbox

    Nova and Deflaker · Software and AI

    Main job
    Run coding sessions and repeated repair tasks through one shared service.

    Compare details

    Reported use
    Internal operation Internal use for failed builds, intermittent test failures, and migrations.

    Human checkpoint
    Task owners define checks; workflow code controls publication and retry limits.

    Access
    Not publicly available Nova and Deflaker are internal systems described in a public engineering article.

    Sources checked

    First-party report

  10. GitHub

    Copilot coding agent · Software and AI

    Main job
    Turn assigned issues into draft code changes for review on GitHub.

    Compare details

    Reported use
    Product with internal use Commercial product used in the repository that builds github.com.

    Human checkpoint
    Another person approves the work; existing code and test rules still apply.

    Access
    Commercial Copilot coding agent is a commercial GitHub capability.

    Sources checked

    First-party report

  11. Itaú

    Devin · Finance and trading

    Main job
    Connect codebase knowledge with repeated software maintenance and review.

    Compare details

    Reported use
    Internal operation Broad adoption reported in a vendor-hosted customer account.

    Human checkpoint
    Engineers review patches and generated tests.

    Access
    Commercial Devin is commercial; bank systems remain private.

    Sources checked

    First-party report

  12. Jane Street

    AIDE · Finance and trading

    Main job
    Build internal tools with agent-readable tests and a custom coding environment.

    Compare details

    Reported use
    Internal operation Internal use is documented; adoption and concurrent session counts are undisclosed.

    Human checkpoint
    Engineers assess behavior the tests do not capture; release authority is not publicly detailed.

    Access
    Mixed AIDE is internal; Bonsai_term and example applications are public.

    Sources checked

    First-party report

  13. Linear

    Coding Sessions · Software and AI

    Main job
    Assign and review coding-agent tasks from issues and team chat.

    Compare details

    Reported use
    Product with internal use Commercial product with reported internal design and issue-triage use.

    Human checkpoint
    People inspect changes and test evidence, then decide whether to merge.

    Access
    Commercial Coding Sessions is a commercial Linear capability; the implementation is private.

    Sources checked

    First-party report

  14. LinkedIn

    CAPT · Media and networks

    Main job
    Give coding agents reusable company instructions and approved internal tools.

    Compare details

    Reported use
    Internal operation Internal system reported in use by more than 1,000 engineers.

    Human checkpoint
    Specialists maintain the instructions; engineers remain responsible for results.

    Access
    Not publicly available CAPT is internal; it connects tools through the open Model Context Protocol.

    Sources checked

    First-party report

  15. Meta

    Capacity Efficiency agents · Media and networks

    Main job
    Investigate performance problems and propose code changes for review.

    Compare details

    Reported use
    Internal operation Internal workflow for performance problems and improvement opportunities.

    Human checkpoint
    Engineers review, deploy, and remain responsible for the proposed fix.

    Access
    Not publicly available The agent platform and its skills are internal.

    Sources checked

    First-party report

  16. OpenAI

    Codex and Symphony · Software and AI

    Main job
    Take tasks from a project board, work in isolation, and review the results.

    Compare details

    Reported use
    Internal operation Internal teams plus one fully agent-written experimental product repository.

    Human checkpoint
    People set priorities and acceptance rules; agents can review each other's changes.

    Access
    Mixed Codex CLI and Symphony are public; internal repositories and operating data are not.

    Sources checked

    First-party reportObserved artifact

  17. Ramp

    Inspect · Finance and trading

    Main job
    Run coding tasks remotely with company information and prepared workspaces.

    Compare details

    Reported use
    Internal operation Internal platform supporting several specialized engineering workflows.

    Human checkpoint
    Agents prepare changes; people review and merge them.

    Access
    Not publicly available Inspect is internal; an independent inspired implementation is public.

    Sources checked

    First-party reportObserved artifact

  18. Replit

    Internal agent fleets · Software and AI

    Main job
    Coordinate parallel tasks across company systems and check the results.

    Compare details

    Reported use
    Product with internal use Commercial product plus an internal system where agents coordinate other agents.

    Human checkpoint
    People set policy, review changes according to risk, and judge product outcomes.

    Access
    Commercial Replit Agent is public and commercial; internal orchestration and data are private.

    Sources checked

    First-party report

  19. Shopify

    World, River, and Aquifer · Commerce

    Main job
    Work with employees in shared Slack threads and preserve task history across interruptions.

    Compare details

    Reported use
    Internal operation River operates internally; Aquifer was being introduced beneath it in May 2026.

    Human checkpoint
    Employees join company-visible threads, redirect work, and review proposed changes.

    Access
    Mixed Roast is open source; River, Aquifer, and Dispatch are internal.

    Sources checked

    First-party report

  20. Spotify

    Honk and Fleetshift · Media and networks

    Main job
    Maintain code and migrate data across many repositories.

    Compare details

    Reported use
    Internal operation Internal agent workflows use Spotify's existing tools for maintaining many services.

    Human checkpoint
    People start tasks, review and merge changes, and handle unresolved cases.

    Access
    Mixed Honk is internal; Fleetshift is available as a managed Backstage product.

    Sources checked

    First-party report

  21. Stripe

    Minions · Finance and trading

    Main job
    Complete coding tasks in the background and return checked changes for review.

    Compare details

    Reported use
    Internal operation Internal system processing a large volume of background coding tasks.

    Human checkpoint
    The initiator inspects the result and another engineer reviews the pull request.

    Access
    Not publicly available Minions and its Stripe-specific infrastructure are internal.

    Sources checked

    First-party report

  22. Tempo

    Custom Agents · Software and AI

    Main job
    Turn prioritized product issues into parallel tasks and proposed changes.

    Compare details

    Reported use
    Early rollout Internal-use examples are public; company-wide scale is not stated.

    Human checkpoint
    People prioritize tasks and review proposed code or media edits.

    Access
    Commercial Tempo's agent products are commercial; internal operating details are limited.

    Sources checked

    First-party report

  23. Uber

    Software Factory · Transport and travel

    Main job
    Coordinate coding tasks, share relevant information, check results, and track cost.

    Compare details

    Reported use
    Internal operation Internal platform spanning several stages of software development.

    Human checkpoint
    People choose useful work, assess quality, accept changes, and control release.

    Access
    Not publicly available Uber's factory infrastructure is internal.

    Sources checked

    First-party report

  24. Vercel

    eve · Software and AI

    Main job
    Run agents with saved progress, isolated workspaces, access rules, and checks.

    Compare details

    Reported use
    Internal operation More than 100 deployed internal agents reported; simultaneous worker count is unstated.

    Human checkpoint
    Engineers set checks and release controls and remain responsible for results.

    Access
    Mixed The eve framework is open source; Vercel's internal agents and connections are private.

    Sources checked

    First-party reportObserved artifact