@muthuishere · Biggest shift
#1 of 2
1.76M lines · 4,956 commits · 2013–2026
I wrote more code in the last 4 months than in the previous 13 years.
Before agents
2013 – May 2026 · 13 years
755K
lines of code
- JavaScript
- 192K · 25%
- Commits
- 2,242
- Pace
- 60K / year
- Languages
- 8 cover 90%
After agents
Jun 2026 – Sep 2026 · 4 months
1.01M
lines of code
- Go
- 585K · 58%
- Commits
- 2,714
- Pace
- 1.23M in 2026
- Languages
- 8 cover 90%
The pace changed, not the hours. Thirteen years averaged 60K lines a year. July 2026 alone shipped 464K, 3.5× my best full year (133K in 2025).
4.21M lines of imports & generated code excluded · see whyagentstats by deemwar
What the code is made of
JavaScript was 25% of my work. Now it is 4%.
2013 – May 2026: mostly JavaScript and Java
JavaScript 25%Java 18%TypeScript 13%Go 11%HTML 10%Python 6%Other 17%
Jun 2026 – Sep 2026: mostly Go and Python
Go 58%Python 10%TypeScript 8%JavaScript 4%Elixir 3%Java 3%Other 14%
Lines per month since Jun 2026
The highlighted bar is July 2026: 464K lines in one month. Ticks mark AI releases.
337 → 371lines per commit
2,242 → 2,714commits (13 yrs → 4 mo)
60K → 1.23Mlines per year
Honest count · methodologyagentstats by deemwar
All your code, 1.76M honest lines in total. 755K of them were written before Jun 2026; 1.01M since.
A Anthropic O OpenAI G GitHub · hover a badge for the release
Your agent era starts Jun 2026: your pace rose 14.5× after Claude Fable 5, the biggest change in your history.
Top languages since agents
| # | Language | Before | After |
|---|---|---|---|
| 1 | Go | 80K 11% | 585K 58% |
| 2 | Python | 43K 6% | 102K 10% |
| 3 | TypeScript | 96K 13% | 84K 8% |
| 4 | JavaScript | 192K 25% | 37K 4% |
| 5 | Elixir | 0 0% | 30K 3% |
Honest count · methodologyagentstats by deemwar
Which AI release made you bigger
Your biggest jump came after Claude Fable 5 (Jun 2026): 14.5× your pace in the two years before.
GitHub Copilot
Jun 20214K/mo · 1.5×
Jun 20214K/mo · 1.5×
GitHub Copilot
Jun 20223K/mo · 1.0×
Jun 20223K/mo · 1.0×
ChatGPT
Nov 20223K/mo · 1.1×
Nov 20223K/mo · 1.1×
GPT-4 +1
Mar 2023884/mo · 0.3×
Mar 2023884/mo · 0.3×
Claude 3 Opus
Mar 20248K/mo · 2.9×
Mar 20248K/mo · 2.9×
Claude 3.5 Sonnet
Jun 20249K/mo · 2.7×
Jun 20249K/mo · 2.7×
Claude Code
Feb 20258K/mo · 1.7×
Feb 20258K/mo · 1.7×
OpenAI Codex CLI
Apr 202513K/mo · 2.7×
Apr 202513K/mo · 2.7×
OpenAI Codex +2
May 202514K/mo · 2.8×
May 202514K/mo · 2.8×
GPT-5
Aug 202514K/mo · 2.1×
Aug 202514K/mo · 2.1×
Claude Sonnet 4.5
Sep 202512K/mo · 1.7×
Sep 202512K/mo · 1.7×
Claude Opus 4.5
Nov 202536K/mo · 4.5×
Nov 202536K/mo · 4.5×
Claude Fable 5
Jun 2026251K/mo · 14.5×
Jun 2026251K/mo · 14.5×
Claude Fable 5.1 +1
Sep 2026301K/mo · too soon
Sep 2026301K/mo · too soon
Average honest lines per month from each release until the next, compared with the stretch before it. Based on your own history, not on which commits an agent signed.
Why these lines don't count
4.21M lines excluded
| What | Where | Lines |
|---|---|---|
| bulk import | vscode-agent · 16,239 files | 3.26M |
| bulk import | a private repo · 2,006 files | 234K |
| bulk import | a private repo · 2,005 files | 234K |
| + 22 more dropped commits · lockfiles, vendored and generated files are skipped per file | rules | |