Comparisons › Share of code or PRs written by AI

Share of code or PRs written by AI

Published figures for the share of code or pull requests written by AI at each company, with dated sources.

20 companies. Claims are quoted or paraphrased from the linked sources; check the source date, because policies change.

Company	Industry / size	What the sources say
Airbnb Mandate: unclear	Travel / marketplace 5k-50k employees	Airbnb compared the migration's duration with an estimate of how long it would take by hand, and tracked the share of files migrated per run. (Airbnb Tech, 2025-03) Brian Chesky said on the Q1 2026 call that nearly 60% of the code Airbnb engineers produce is now written by AI, which he estimated at about twice the industry average. (TechCrunch, 2026-05-08; Motley Fool, 2026-05-07) Airbnb migrated nearly 3.5K test files from Enzyme to React Testing Library in 6 weeks. It had estimated the work at 1.5 years by hand. The first bulk run migrated 75% of files in four hours, and the pipeline reached 97% before the rest were finished manually. (Airbnb Tech, 2025-03; InfoQ, 2025-03-28) Chesky said teams are shipping more features and iterating more quickly as a result. (Motley Fool, 2026-05-07)
Alibaba Mandate: unclear	Big tech (China) 50k+ employees	The Amap team's AI-generated code share rose from 53% to 80-90% or more. (Alibaba Cloud blog, 2026-08-12) Despite the higher code share, 'efficiency gains were not obvious' until the team changed its process. (Alibaba Cloud blog, 2026-08-12)
AMD Mandate: unclear	Semiconductors / AI 5k-50k employees	AMD measured a 30% productivity gain against a 25% target. (IEEE Spectrum, 2026-08-17) AI-generated code was about 20% of shipped code at the start of 2026 and heading toward 50%. (IEEE Spectrum, 2026-08-17) An automated fix agent's success rate rose from 6% to more than 75%. (IEEE Spectrum, 2026-08-17) AMD set a goal of making engineers 10x more productive. (AMD blog, 2026-08-13)
Anthropic Mandate: unclear	AI lab Under 5k employees	Anthropic surveyed 132 engineers and researchers, interviewed 53, and analyzed 200,000 internal Claude Code transcripts (August 2025). (Anthropic, 2025-12-02) As of May 2026, more than 80% of code merged into Anthropic's codebase was attributed to Claude, up from low single digits before February 2025. Leadership estimates 90%+ including scripts. (Anthropic Institute, 2026-06-04) The typical engineer merged about 8x as much code per day in Q2 2026 as in 2024. Anthropic says lines of code overstate the true gain. (Anthropic Institute, 2026-06-04) Respondents self-reported using Claude in 59% of their work, for a +50% productivity gain. Anthropic saw a 67% increase in merged PRs per engineer per day after adopting Claude Code. (Anthropic, 2025-12-02) Claude Code went from about 9.8 consecutive tool calls per transcript to 21.2, and human turns fell from 6.2 to 4.1. (Anthropic, 2025-12-02) Employees raised concerns about skill atrophy and reduced mentorship. (Anthropic, 2025-12-02) Head of platform engineering Katelyn Lesse said in October 2026 that Claude writes 'literally all' of her team's code, while people still design systems and verifications. (Business Insider, 2026-10-22) Superseded (2025 survey): staff now say Claude-written code went from worse than human code in late 2025 to roughly at parity by mid-2026. (Anthropic Institute, 2026-06-04)
Baidu Mandate: unclear	Big tech (China) 5k-50k employees	By the end of 2025, AI-generated code exceeded human-written code inside Baidu, and AI coding supports more than 99% of engineers' daily work, Guancha reported, citing an unnamed source. (Guancha, 2026-09-08) CEO Robin Li said Baidu's Miaoda app builder generates about 90% of its own code. (TechNode, 2026-05-14)
Block Mandate: unclear	Fintech / payments 5k-50k employees	Block tracks AI's contribution through PR labels and Co-authored-by attribution, and measures time savings and automated PRs. (Block Engineering, 2026-01-18) Block reports that about 95% of engineers regularly use AI. Within three months of the Champions program, AI-authored code rose 69%, time savings rose 37%, and automated PRs grew 21x. (Block Engineering, 2026-01-18)
ByteDance Mandate: unclear	Big tech (China) 50k+ employees	Over the past year, AI's code contribution rate grew more than 6x, AI-coding token use 5x, and the AI-code merge rate more than 2x. (163.com (IT Times), 2026-06-24) TRAE is used by 92% of ByteDance engineers. (Longbridge, 2025-12-18) The TRAE team had more than 90% of its code written by AI over six months, but per-person throughput rose only 1.6x, which ByteDance cites as evidence that code share is a misleading metric. (163.com (IT Times), 2026-06-24)
Cisco Mandate: unclear	Networking / security 50k+ employees	Cisco AI Defense is the company's first product written 100% with AI; about six products are expected to follow by the end of 2026, and 70% of the portfolio by 2027. (SDxCentral, 2026-05-06; Cisco Newsroom, 2026-03-01) 85% of Cisco engineers use AI. (SDxCentral, 2026-05-06)
Coinbase Mandate: yes	Crypto / fintech Under 5k employees	Superseded (August 2025): Armstrong said about a third of Coinbase's code was AI-written, with a goal of 50% by the end of the quarter. (Fortune, 2025-08-25; CIO, 2025-09-03) In July 2026 Coinbase's Rob Witoff said 95-100% of code is written by or with LLMs, up from about 40% in February, and that effectively every employee uses AI daily. Most engineers run 5-10 agents. (Cointelegraph, 2026-07-14)
Dropbox Mandate: unclear	SaaS / cloud storage Under 5k employees	Dropbox evaluates AI tools on developer velocity and developer-experience sentiment, and tracks and shares adoption metrics. (Dropbox.tech, 2025-08-19) Dropbox uses a four-stage model (Fuel, Adoption, Output, Impact) and tracks review turnaround, first-run test pass rate, defect ratio and rework rate. (Dropbox.tech, 2026-05-28) More than 90% of Dropbox engineering uses AI tools. Copilot adoption sat in the low double digits from late 2023 through 2024, until leadership alignment and a change-management plan. (Dropbox.tech, 2025-08-19) Nova accounts for roughly 1 in 12 pull requests at Dropbox (May 2026). It handles flaky-test fixes validated with 100+ CI runs, migrations and dependency upgrades. (Dropbox.tech, 2026-05-21; Dropbox.tech, 2026-05-28)
Google (Alphabet) Mandate: unclear	Big tech 50k+ employees	Superseded (October 2024): Pichai said more than a quarter of all new code at Google is AI-generated, then reviewed and accepted by engineers. (Google, 2024-10-29) Pichai said in April 2026 that 75% of all new code at Google is AI-generated and approved by engineers, up from 50% the previous fall. (Google, 2026-04-22) Pichai said a complex code migration done by agents and engineers together finished six times faster than a comparable one a year earlier, and that engineers are moving to agentic workflows. (Google, 2026-04-22)
IBM Mandate: unclear	Big tech 50k+ employees	IBM Bob is used by more than 80,000 IBM employees, who self-report an average 45% productivity gain. (IBM Newsroom, 2026-04-28) CEO Arvind Krishna: 'We use agents and coding agents now for probably half the code that is written inside our place. And it is superior to what was written before.' (All-In podcast transcript, 2026-10-21) The Instana team reports a 70% gain (about 10 hours a week per developer), and the Maximo team 69%. (IBM Newsroom, 2026-04-28)
Mercado Libre Mandate: unclear	E-commerce / fintech (LatAm) 50k+ employees	The case study reports time spent writing code and the number of developers using Copilot. (GitHub customer story, 2023-05-23) On the Q2 2026 call management said 20,000 developers use AI and that 'human written code is the exception'; the majority of code is now written by AI. (Motley Fool, 2026-08-12) Superseded (2023): GitHub reported 9,000+ Mercado Libre developers using Copilot, with about a 50% reduction in time spent writing code. (GitHub customer story, 2023-05-23) Management said product development costs fell from 8.4% to 7.2% of revenue, and pointed to AI productivity as a factor. (Motley Fool, 2026-08-12)
Microsoft Mandate: yes	Big tech 50k+ employees	Satya Nadella said in April 2025 that 20% to 30% of the code in some Microsoft repos and projects is written by software (AI). (CNBC, 2025-04-29) The Verge noted Microsoft said in 2025 that 91% of its engineering teams used GitHub Copilot. No updated 2026 share-of-code figure was found. (The Verge, 2026-05-14)
OpenAI Mandate: unclear	AI lab 5k-50k employees	Codex accounts for 99.8% of weekly output tokens inside OpenAI; the average engineer now generates 99% of output tokens with Codex, and engineering usage is 27x its November 2025 level. (OpenAI, 2026-06-25) Codex writes nearly 80% of OpenAI's code, according to its India strategy head. (Outlook Business, 2026-05-15) Codex writes more than 90% of the Codex app's own code; engineers typically run 4-8 agents in parallel. (The Pragmatic Engineer, 2026-02-17) The heaviest (99th-percentile) users run more than 60 hours of agent turns per day across parallel agents. (OpenAI, 2026-06-25)
Robinhood Mandate: unclear	Fintech / brokerage Under 5k employees	Superseded (July 2025): CEO Vlad Tenev said close to 100% of engineers use AI code editors and about half of new code is AI-generated, a measurement he called imprecise. (Business Insider, 2025-07-17) On the Q1 2026 call Robinhood said more than 90% of employees use AI tools and that it tracks commits per engineer deployed to production. (Motley Fool, 2026-04-28) Commits per engineer hit a new high in Q1 2026, up 50% since the start of 2025, which management attributed to AI tools. (Motley Fool, 2026-04-28)
Shopify Mandate: yes	E-commerce 5k-50k employees	Shopify said in October 2025 that it had hit universal adoption of AI code editors and was running thousands of Cursor licenses. (Shopify, 2025-10-28) President Harley Finkelstein said on the Q1 2026 call that AI writes 'well over 50%' of Shopify's code and that the share is rising. (Motley Fool, 2026-05-05) Shopify tracks code reversion rate, which it says has stayed roughly flat as AI use grew, and alerts on anyone spending more than $250 a day in tokens through its LLM proxy. (BVP Atlas, 2026-04-02) In a 30-day window, River ran 59,918 sessions in 5,170 Slack channels and co-authored 3,536 merged pull requests (about one in eight merged PRs). (Shopify Engineering, 2026-05-28) Shopify reports that its internal 'Quick' prototype-hosting sandbox has passed 5,000 sites since launching in mid-2025. (Shopify, 2025-10-28) Every team has unlimited access to top AI models. (Shopify, 2025-10-28) Engineering leadership estimates about a 20% productivity gain from AI tools. (BVP Atlas, 2026-04-02) Shopify gave agents per-session remote dev environments, so agents run in parallel and overnight workflows fix bugs and open PRs. (Shopify Engineering, 2026-10-22)
Tencent Mandate: unclear	Big tech (China) 50k+ employees	CodeBuddy is used by more than 12,000 Tencent engineers and helps generate over half of new code. (PR Newswire, 2026-01-21; Sina Finance, 2026-01-23) Coding time has been cut by more than 40%, Tencent says. (PR Newswire, 2026-01-21)
Uber Mandate: unclear	Mobility / marketplace 5k-50k employees	Uber measures the usefulness rate (developer ratings), the share of comments addressed in the same changeset, and estimated review hours saved. (Uber Engineering, 2025-08-12) CTO Praveen Neppalli Naga said in March 2026 that 95% of engineers use AI monthly, and that Uber's internal agent writes about 1,800 code changes a week entirely, up from under 1% to 8% of all changes. (Business Insider, 2026-03-18) CEO Dara Khosrowshahi said in May 2026 that roughly 10% of code changes come from autonomous agents. (Business Insider, 2026-05-06) uReview analyzes over 90% of Uber's ~65,000 weekly diffs. Engineers mark 75% of its comments useful, and 65%+ are addressed, versus 51% for human comments. (Uber Engineering, 2025-08-12) Uber estimates uReview saves about 1,500 hours each week, nearly 39 developer-years a year. (Uber Engineering, 2025-08-12)
Workday Mandate: unclear	Enterprise SaaS 5k-50k employees	'More than 75% of our software engineers are using AI coding assistance and more than 50% of the committed code is AI generated.' (Motley Fool, 2026-05-21) Engineering output grew 22% over six months, measured by the number of code updates. (Motley Fool, 2026-05-21) Workday says some key API development became about 30x faster. (Motley Fool, 2026-05-21)