What percentage of code is written by AI?

~70% of AI-generated code

We’re around 70% AI-generated code

most of code at Anthropic written by AI

Today, it writes most of the code at Anthropic…

80% of code Anthropic engineers ship

Claude authors 80% of that code and it also plays a large role in reviewing and approving PRs as well.

Human-reviewednearly 100% of new code, as of November 2025

By November 2025, AI was already writing nearly 100% of Augment’s new code.

~80% of code that is AI-written

Something like 80% of our code is now AI-written

over 70% of pull requests attributed to local or cloud agents

More than 70% of pull requests are attributed to local or cloud agents.

Human-reviewed25–35% of pull requests merged each week in one repo (AI SDK), authored by agents

Between 25-35% of the PRs we merge on a weekly basis are now authored by ai-sdk-factory agents.

47% of committed code that is AI-generated

AI-generated code accounting for 47% of all committed code in the second quarter

50–60% of new code produced by AI

across the technology organization, 50% to 60% of all new code is now produced by AI

nearly all of production code changes AI helped write and review, in June 2026

in June, agentic AI helped write and review nearly all of our production code changes.

the majority of code done by AI

Today, human written code is the exception. All of the code, the majority of the code, is done by AI.

90% of new code that was automated

In the second quarter, 90% of our new code generated was automated.

Human-reviewed~100% of everything merged into the codebase that is AI-generated, up from 5.7% in Q1 2025

In Q1 2025, AI-generated code represented 5.7% of everything merged into our codebase. In Q4 2025, AI crossed the 50% threshold for the first time. While humans still review all of our code, that share has reached roughly 100%

73% of pull requests attributed to being AI-authored

I think by now 73% of PRs are directly attributed to being AI-authored.

90% of code written by AI

…90% of code at CRED is written by AI…

100% of code of one product, Claude Code, written by Claude Code

Claude Code co-work, 100% written by Claude Code

Human-reviewedover 80% of code merged into the codebase, authored by Claude, as of May 2026

As of May 2026, more than 80% of the code we merge into Anthropic’s codebase was authored by Claude.

~75% of new code shipped that is AI-assisted

Approximately 75% of all new code shipped is AI-assisted, up from 60% just last quarter.

1 in 8 of merged pull requests coauthored by its internal agent, River

Now, one in eight merged pull requests across Shopify is coauthored by it.

Human-reviewed89% of code committed by its engineers that is committed by Devin

at Cognition, 89% of code committed by our engineers is committed by Devin

~57% of code written with AI assistance, up from ~21% a year earlier

In the first quarter of fiscal 26, approx. 21% of our code was written with AI assistance. That percentage increased to approx. 57% as of the first quarter of fiscal 27.

90%+ of code written by Claude Code

Right now within the company, you know, 90 plus percent of our code is actually written by Claude code

Human-reviewed15% of production code changes made nearly fully autonomously; people decide whether to push

Builderbot … is making 15% of our production code changes nearly fully autonomously, with people only intervening to make the final decision to push to production.

nearly 60% of code its engineers produce, written by AI

Nearly 60% of the code our engineers produce is now written by AI

well north of half of code written by AI

well north of half of our code … probably closer to two thirds of our code is written by AI today.

Human-reviewed~10% of code commits built by autonomous agents

About 10% of our code now is committed. That committed is built by agents, autonomous agents out there.

~35% of code completed with AI

about 35% of all of our code is now completed with AI.

84% of code shipped in March 2026 developed with AI, up from 29% four months earlier

84% of the code we shipped in March was developed with AI, up from 29% just 4 months ago.

well over 50% of code written by AI

AI right now writes well over 50% of our code today

over half of code originated in AI

Over half of our code is originated in AI today.

30–40% of new code produced by AI

We now estimate that 30% to 40% of all new code written at Compass is produced by AI

Human-reviewed75% of new code creation that is automated

at the end of the first quarter, Zeta was already driving 75% automated new code creation.

over half of committed software code written by AI

As of last month, over half of our committed software code is being written by AI.

all but a “vanishing fraction” of code written by AI

It’s hard to know what percentage of the code is not written by AI. It’s a vanishing fraction.

Human-reviewed75% of new code that is AI-generated and approved by engineers

Today, 75% of all new code at Google is now AI-generated and approved by engineers, up from 50% last fall.

well above 90% of code written by Claude Code

when we started getting [Claude] Code to write all of our code, and you know, we’re well above 90% now

65%+ of new code generated by AI

65%+ … of new code generated by AI

over 40% of production code changes that used AI, up from 8% in late summer 2025

AI was used in only 8% of the code being written and shipped to production. … Today, AI is used in more than 40% of our production code changes

60% of new code that is AI-assisted

60% of new code is AI assisted.

nearly 30% of its entire codebase edited using AI during February 2026

During the month of February, nearly 30% of our entire code base was edited using AI

60–70% of new code in Q4 2025 that AI agents drove

In Q4, AI agents drove between 60% and 70% of our new code

Human-reviewed35% of pull requests merged internally, created by agents working autonomously in cloud VMs

Thirty-five percent of the PRs we merge internally at Cursor are now created by agents operating autonomously in cloud VMs.

more than 50% of committed code that is AI-generated

more than 50% of the committed code is AI generated.

the majority of code generated by AI tools

AI tools are now generating the majority of our code. New code bases are almost entirely AI-generated

90%+ of code written by AI

90 plus percent of code in our company at Genspark is written by AI.

Human-reviewed~40% of code written that AI assists with

AI assists with roughly 40% of the code written at Coinbase.

Human-reviewedover 90% of code of one product, the Codex app, written by Codex (team estimate)

Codex itself writes more than 90% of the app’s code, the team estimates.

90% of lines of code written by AI

I said the AI model will be writing 90% of the lines of code in three to six months. That happened, at least at some places. It happened at Anthropic

~50% of new code that is AI-generated

roughly 50% of our new code is AI-generated.

Human-reviewed100% of code of one internal beta product, with no manually written lines

building and shipping an internal beta of a software product with 0 lines of manually-written code

97% of code committed in 2025 done with AI assist

97% of the code that was committed last year was done with AI assist.

Human-reviewedabout 50% of code written by coding agents, then reviewed by engineers

about 50% of our codes are written by agents, coding agents, which are then reviewed, by our own engineers

~40% of new code that is AI-generated

I think now something like 40% of new code at Snap is AI generated.

effectively 100% of code of most of its products

Right now, for most products at Anthropic, it’s effectively 100%. It’s just it’s Claude writing

~30% of internal code that is AI-generated

In the third quarter, approximately 30% of our internal code was AI generated

over half of the new codebase of one platform, Visa as a Service, built with AI assistance

Over half of the new code base was built with the assistance of generative AI

Human-reviewed90% of code written by the model, “on many teams, not uniformly”

Benioff: “90% of all code at Anthropic being written by the model today” … Amodei: “on many teams, you know, not uniformly”

Human-reviewednearly half of new code generated by AI, reviewed and accepted by engineers

Today, nearly half of all new code at Google is generated by AI, reviewed and accepted by engineers.

Human-reviewed~40% of daily code that is AI-generated

~40% of daily code written at Coinbase is AI-generated.

over 80% of code deployed in Q2 2025 that was AI-assisted

More than 80% of the code we deployed in Q2 continues to be AI-assisted.

~50% of new code that is AI-generated (agreeing with the host’s 50%)

Host: “you said it was 50% of Salesforce new code today. What would you say yours is?” Tenev: “I think that that uh that sounds right.”

Human-reviewed~80% of code of one product, Claude Code, written by Claude Code

Probably near 80 I’d say.

20–30% of code in its repos written by software, in some projects

I’d say maybe 20 30% of the code that is inside of our repos today in some of our projects are probably all uh written by software

Human-reviewedwell over 30% of code checked in that involves engineers accepting AI suggestions, up from 25%

25% of code that’s checked in involves people accepting AI-suggested solutions. That number is well over 30% now.

~15% of its codebase generated by AI coding assistance

roughly 15% of our code base is AI generated through this coding assistance.

Human-reviewedmore than a quarter of new code generated by AI, then reviewed and accepted by engineers

Today, more than a quarter of all new code at Google is generated by AI, then reviewed and accepted by engineers.

Human-reviewed50% of code characters completed with AI assistance

assisting in the completion of 50% of code characters

Human-reviewed3% of new code, in characters, from accepted AI completion suggestions

Currently, 3% of new code (measured in characters) is now generated from accepting ML completion suggestions.