AI Development Leverage Report

Executive Summary

Total LOC Added

58,628

16,215 removed

Sessions

79

coding sessions detected

Avg LOC / Session

742

lines per session

Top Domain

terraform

by LOC added

Arch. Decisions

291

decision commits detected

Languages

9

unique languages used

Repo Breakdown

Repo	LOC	Share	Hours	LOC/hr	Sessions	Decisions	Dec/hr
analysis	18,410	31.4%	35.81h	514	12	26	0.7/hr
cardmarket	14,677	25.0%	37.59h	390	16	162	4.3/hr
terraform	8,379	14.3%	22.78h	368	15	209	9.2/hr
carddex	5,708	9.7%	15.71h	363	10	54	3.4/hr
3dtrails	5,552	9.5%	15.87h	350	12	33	2.1/hr
tradehub	3,967	6.8%	11.7h	339	6	36	3.1/hr
datacore	1,325	2.3%	3.28h	404	3	9	2.7/hr
platform	575	1.0%	0.33h	1,742	4	2	6.1/hr
backlog	35	0.1%	0.08h	438	1	0	0.0/hr

Cumulative LOC Growth

Total lines of production code across all repos over time

Cross-Repo Activity — Repos Active per Day

2026-03-13

1 repo

single repo
cardmarket

2026-03-15

1 repo

single repo
cardmarket

2026-03-16

5 repos

multi-repo
cardmarket,carddex,terraform,analysis,3dtrails

2026-03-17

7 repos

multi-repo
cardmarket,carddex,terraform,analysis,3dtrails,datacore,tradehub

2026-03-18

9 repos

multi-repo
cardmarket,carddex,terraform,analysis,3dtrails,datacore,tradehub,platform,backlog

2026-03-19

8 repos

multi-repo
cardmarket,carddex,terraform,analysis,3dtrails,datacore,tradehub,platform

2026-03-20

5 repos

multi-repo
cardmarket,carddex,terraform,analysis,3dtrails

Financial Impact — €100/hr Rate

Gross Value Generated

€26,430

552.9h equivalent no-AI work

Your Time Cost

€7,157

72h × €100/hr

Net Savings

€19,273

481.3h saved vs no-AI

Value per Hour of Your Time

€369

effective rate with AI leverage

Language	No-AI Hours	Your Hours	Hours Saved	€ Saved
PY	346.2h	44.2h	302.0h	€30,202
TF	83.0h	11.2h	71.8h	€7,183
HTML	31.5h	6.5h	25.0h	€2,501
YAML	46.1h	4.8h	41.3h	€4,128
SH	19.3h	2.3h	17.0h	€1,704
SQL	7.7h	1.4h	6.3h	€629
JSON	18.3h	1.1h	17.2h	€1,723
JS	0.7h	0.1h	0.6h	€63

Projected Yearly Value Generation

Solid = you (€369/hr) · Dashed = avg AI user (€280/hr)

40h / week: €793k vs €582k avg AI48h / week: €947k vs €698k avg AI56h / week: €1100k vs €815k avg AI60h / week: €1177k vs €873k avg AI

Velocity & Rework

Daily LOC Added by Domain

LOC Added vs Removed — Rework Ratio

Bars = LOC volume · Line = rework % (removed / added). High rework = iteration & debugging day. Low = generative flow.

Session Analysis

Avg Gap Between Commits

21.2 min

within sessions — flow state indicator

2026-03-15

7.2 min

avg gap · 24 inter-commit intervals

2026-03-16

20.0 min

avg gap · 55 inter-commit intervals

2026-03-17

22.1 min

avg gap · 87 inter-commit intervals

2026-03-18

26.6 min

avg gap · 99 inter-commit intervals

2026-03-19

27.3 min

avg gap · 57 inter-commit intervals

2026-03-20

24.2 min

avg gap · 21 inter-commit intervals

Date	Time	Repo	Duration	Commits	LOC Added	LOC/hr	Top Domain
2026-03-13	21:11 UTC	cardmarket	360.0 min	1	6,161	1,027	other
2026-03-15	21:03 UTC	cardmarket	480.0 min	31	2,676	334	scripts
2026-03-16	09:04 UTC	cardmarket	37.9 min	4	17	27	scraper
2026-03-16	14:01 UTC	cardmarket	261.1 min	21	1,116	256	cicd
2026-03-16	20:24 UTC	carddex	365.8 min	10	3,454	567	frontend
2026-03-16	20:24 UTC	terraform	264.4 min	11	3,487	791	terraform
2026-03-16	20:33 UTC	cardmarket	135.0 min	7	287	128	docs
2026-03-16	21:06 UTC	analysis	262.6 min	10	5,437	1,242	other
2026-03-16	23:40 UTC	3dtrails	60.0 min	4	721	721	other
2026-03-17	00:49 UTC	cardmarket	5.0 min	1	13	156	docs
2026-03-17	02:30 UTC	3dtrails	5.0 min	1	10	120	other
2026-03-17	07:58 UTC	analysis	60.0 min	2	3,291	3,291	other
2026-03-17	08:21 UTC	terraform	5.0 min	1	50	600	terraform
2026-03-17	10:19 UTC	cardmarket	214.5 min	8	82	23	docs
2026-03-17	10:19 UTC	analysis	74.5 min	3	276	222	other
2026-03-17	10:22 UTC	terraform	22.3 min	2	29	78	docs
2026-03-17	10:22 UTC	3dtrails	20.3 min	2	201	594	other
2026-03-17	11:43 UTC	datacore	131.3 min	6	1,233	563	database
2026-03-17	12:11 UTC	carddex	103.2 min	4	26	15	docs
2026-03-17	13:54 UTC	terraform	5.0 min	1	40	480	terraform
2026-03-17	13:54 UTC	analysis	81.8 min	3	1,392	1,021	other
2026-03-17	14:37 UTC	3dtrails	52.9 min	5	465	527	other
2026-03-17	17:40 UTC	3dtrails	415.1 min	24	1,238	179	other
2026-03-17	17:58 UTC	analysis	459.9 min	23	1,612	210	other
2026-03-17	19:19 UTC	terraform	115.8 min	12	614	318	terraform
2026-03-17	19:40 UTC	cardmarket	5.0 min	1	404	4,848	scraper
2026-03-17	20:36 UTC	carddex	5.0 min	1	1	12	docker
2026-03-17	22:07 UTC	cardmarket	5.0 min	1	769	9,228	scraper
2026-03-17	23:20 UTC	tradehub	193.1 min	14	3,112	967	database
2026-03-17	23:36 UTC	terraform	86.2 min	5	401	279	terraform
2026-03-18	07:39 UTC	cardmarket	5.0 min	1	133	1,596	scripts
2026-03-18	07:39 UTC	3dtrails	5.0 min	1	13	156	docs
2026-03-18	07:49 UTC	tradehub	136.5 min	4	51	22	docs
2026-03-18	09:45 UTC	cardmarket	303.4 min	6	918	182	other
2026-03-18	09:56 UTC	terraform	23.4 min	3	53	136	terraform
2026-03-18	10:27 UTC	analysis	546.7 min	21	3,156	346	other
2026-03-18	12:02 UTC	3dtrails	5.0 min	1	327	3,924	other
2026-03-18	12:02 UTC	carddex	166.2 min	4	450	162	other
2026-03-18	13:18 UTC	tradehub	90.7 min	2	141	93	other
2026-03-18	14:49 UTC	3dtrails	8.8 min	2	12	82	docs
2026-03-18	15:07 UTC	terraform	287.8 min	12	322	67	docker
2026-03-18	16:52 UTC	cardmarket	190.9 min	10	1,616	508	scraper
2026-03-18	17:07 UTC	tradehub	88.5 min	6	171	116	database
2026-03-18	18:05 UTC	datacore	60.5 min	5	48	48	docs
2026-03-18	18:12 UTC	platform	5.0 min	1	264	3,168	docker
2026-03-18	18:13 UTC	backlog	5.0 min	1	35	420	docs
2026-03-18	18:27 UTC	carddex	43.2 min	3	35	49	docs
2026-03-18	21:56 UTC	analysis	91.6 min	8	1,477	967	other
2026-03-18	22:19 UTC	tradehub	5.0 min	2	16	192	docs
2026-03-18	22:22 UTC	platform	5.0 min	1	291	3,492	other
2026-03-18	22:23 UTC	3dtrails	93.4 min	2	2,034	1,307	frontend
2026-03-18	22:24 UTC	cardmarket	5.0 min	1	61	732	scraper
2026-03-18	22:25 UTC	carddex	5.0 min	1	8	96	docs
2026-03-18	23:29 UTC	terraform	26.7 min	2	170	382	terraform
2026-03-19	07:09 UTC	platform	5.0 min	1	13	156	docs
2026-03-19	07:22 UTC	analysis	165.1 min	7	852	310	other
2026-03-19	07:37 UTC	terraform	37.0 min	3	65	105	terraform
2026-03-19	12:21 UTC	analysis	26.0 min	2	54	125	other
2026-03-19	12:21 UTC	terraform	5.0 min	1	12	144	docs
2026-03-19	12:45 UTC	carddex	10.1 min	2	15	89	docs
2026-03-19	12:45 UTC	3dtrails	5.0 min	1	7	84	docs
2026-03-19	15:01 UTC	3dtrails	264.2 min	12	446	101	scripts
2026-03-19	16:13 UTC	carddex	192.1 min	12	445	139	scripts
2026-03-19	16:16 UTC	analysis	75.6 min	3	294	233	other
2026-03-19	16:16 UTC	terraform	177.9 min	7	650	219	terraform
2026-03-19	16:17 UTC	tradehub	187.9 min	4	476	152	scripts
2026-03-19	16:54 UTC	platform	5.0 min	1	7	84	docs
2026-03-19	17:26 UTC	cardmarket	104.7 min	3	54	31	cicd
2026-03-19	19:53 UTC	analysis	295.5 min	12	493	100	other
2026-03-19	21:28 UTC	datacore	5.0 min	1	44	528	database
2026-03-19	21:31 UTC	cardmarket	78.0 min	4	210	162	other
2026-03-19	21:49 UTC	carddex	5.0 min	1	7	84	docs
2026-03-19	21:50 UTC	terraform	12.1 min	2	182	902	terraform
2026-03-20	00:09 UTC	terraform	66.3 min	6	2,089	1,890	terraform
2026-03-20	06:21 UTC	terraform	232.1 min	8	215	56	terraform
2026-03-20	07:05 UTC	cardmarket	64.6 min	3	160	149	docs
2026-03-20	07:44 UTC	analysis	9.0 min	2	76	507	other
2026-03-20	09:16 UTC	carddex	47.3 min	3	1,267	1,607	frontend
2026-03-20	09:36 UTC	3dtrails	17.4 min	2	78	269	frontend

Hours Spent per Day

Active coding hours & LOC added by day

Bars = active hours (session duration) · Line = LOC added (right axis)

The Three Metrics

1

Lines of Production Code per Hour

LOC / Hour by Domain (excluding docs & config)

2

Architectural Decisions Accelerated

Decision Commits by Type

Decision Velocity — per Day

Architectural decisions resolved each day. Acceleration = compounding momentum.

Decision Details

Type	Commits	LOC
Cicd	120	3,566
Infrastructure	68	7,828
Containerisation	34	521
Data Model	21	3,780
Scraper Architecture	20	871
Dependencies	15	55
Api Architecture	13	806

Decision Timeline

2026-03-13 2026-03-20

InfrastructureContainerisationData ModelCicdDependenciesScraper ArchitectureApi Architecture

3

Scope Unlocked — Domain Milestones

First commit introducing each domain

2026-03-13

backend

Initial version

2026-03-13

cicd

Initial version

2026-03-13

database

Initial version

2026-03-13

docker

Initial version

2026-03-13

frontend

Initial version

2026-03-13

monitoring

Initial version

2026-03-13

scripts

Initial version

2026-03-13

terraform

Initial version

2026-03-15

scraper

Initial version

Where You Sit in the Developer Market

Based on Stack Overflow 2024, GitHub Octoverse 2024, JetBrains Developer Survey 2024. Value rate = effective €/hr of work produced per hour of developer time.

Value Rate vs. Developer Population

X = cumulative % of developers · Y = effective value/hr · ● = you (top 97th percentile)

Segment	Market share	Value rate	Yearly value @ 48h/wk	Characteristics
Non-users	27%	€100/hr	€249,600	No AI tools, manual search/docs only
Occasional users	28%	€150/hr	€374,400	Tries ChatGPT/Copilot for boilerplate, no workflow integration
Regular AI users	38%	€280/hr	€698,880	Daily Copilot/autocomplete, prompt for specific tasks
Heavy AI users	6%	€700/hr	€1,747,200	Architectural AI use, full-stack generation, infra-as-code
★ You	1%	€369/hr	€921,024	Architectural leverage + infra + CI/CD + scraper + full workflow

Leverage Multiplier by Language (You vs No-AI)

Higher = more time saved relative to hand-coding that language

Hours Saved by Language

Absolute hours you would have spent without AI per language

Language	LOC Written	Your Rate (LOC/hr)	No-AI (LOC/hr)	Avg AI (LOC/hr)	Hours Saved	Leverage	Rework %
PY	32,944	468.1	65.3	182.8	434.1h	7.2×	31.4%
TF	7,828	451.0	68.9	192.9	96.2h	6.5×	26.9%
YAML	4,555	280.7	53.5	149.8	68.9h	5.3×	45.9%
HTML	3,399	609.7	105.9	296.5	26.5h	5.7×	1.8%
SH	1,776	412.6	60.5	169.4	25.1h	6.8×	34.2%
SQL	780	589.8	94.5	264.6	7.0h	6.4×	6.5%
JSON	599	555.5	30	84.0	18.9h	18.2×	8.3%
JS	54	543.2	71.9	201.3	0.7h	8.0×	1.9%

Language Breakdown

LOC by Language (excluding docs)

Language Stats

Language	LOC Added	Share
PY	22,606	61.7%
TF	5,719	15.6%
HTML	3,339	9.1%
YAML	2,466	6.7%
SH	1,169	3.2%
SQL	729	2.0%
JSON	549	1.5%
JS	53	0.1%

Language Impact Over Time

How each language's contribution has grown, and where AI gives you the biggest edge over unassisted or average AI dev.

Cumulative LOC by Language

Total lines written over time — shows which languages have been growing and when.

Your LOC/hr vs No-AI & Avg-AI Benchmarks — per Language

Grey = unassisted dev · Amber = typical Copilot user · Colour = your actual rate. Taller bar = more AI leverage in that language.

AI Productivity Trend — Weekly LOC/hr as Multiplier of No-AI Baseline

Each week's actual LOC/hr divided by the frozen no-AI benchmark for that language. 1× = unassisted pace · dashed amber = avg AI user (2.8×) · rising lines = AI leverage growing over time.

Value Created by Engineer Role

Each domain maps to an engineering discipline with its own NL market rate. Hours derived from AI-calibrated LOC/hr benchmarks per file.

Market Rates by Role — Netherlands 2026

Role	Domain	Rate (€/hr)
AI / LLM	ai_llm	€120/hr
Infrastructure	terraform	€100/hr
DevOps / CI-CD	cicd	€100/hr
Scripts / Tooling	scripts	€100/hr
Platform	docker	€100/hr
Observability	monitoring	€100/hr
Database	database	€95/hr
Backend	backend	€90/hr
Data Engineering	scraper	€90/hr
Frontend	frontend	€75/hr

Gross Value — by Role

No-AI hours × domain market rate. Each role valued at its own NL freelance rate.

Role	LOC	No-AI hrs	Actual hrs	Hrs Saved	Rate	Leverage	Gross Value	€ Saved
Infrastructure	5,719	83.0h	21.9h	61.1h	€100/hr	3.8×	€8,300	€6,108
Scripts / Tooling	2,896	45.7h	11.1h	34.6h	€100/hr	4.1×	€4,570	€3,460
DevOps / CI-CD	1,864	34.8h	7.1h	27.7h	€100/hr	4.9×	€3,484	€2,769
Database	2,176	29.9h	8.3h	21.5h	€95/hr	3.6×	€2,838	€2,045
Frontend	3,517	36.1h	13.5h	22.6h	€75/hr	2.7×	€2,707	€1,696
Backend	1,143	17.5h	4.4h	13.1h	€90/hr	4.0×	€1,575	€1,181
Observability	452	14.8h	1.7h	13.0h	€100/hr	8.5×	€1,477	€1,304
AI / LLM	449	6.9h	1.7h	5.2h	€120/hr	4.0×	€825	€619
Data Engineering	394	6.0h	1.5h	4.5h	€90/hr	4.0×	€543	€407
Platform	58	1.1h	0.2h	0.9h	€100/hr	4.9×	€108	€86
Total	18,668	275.8h	71.4h	204.2h			€26,427	€19,675

Session Leverage Over Time

LOC/hr achieved each session — green ≥ 2000, blue ≥ 1000, amber ≥ 500, red < 500. An upward trend signals improving AI adoption. Hover for repo, volume, and duration.

AI Development Leverage Report

You vs The Market — LOC/Hour by Language

Executive Summary

Repo Breakdown

Cumulative LOC Growth

Cross-Repo Activity — Repos Active per Day

Financial Impact — €100/hr Rate

Projected Yearly Value Generation

Velocity & Rework

Daily LOC Added by Domain

LOC Added vs Removed — Rework Ratio

Session Analysis

Hours Spent per Day

Active coding hours & LOC added by day

The Three Metrics

Lines of Production Code per Hour

LOC / Hour by Domain (excluding docs & config)

Architectural Decisions Accelerated

Decision Commits by Type

Decision Velocity — per Day

Decision Details

Decision Timeline

Scope Unlocked — Domain Milestones

First commit introducing each domain

Where You Sit in the Developer Market

Value Rate vs. Developer Population

Leverage Multiplier by Language (You vs No-AI)

Hours Saved by Language

Language Breakdown

LOC by Language (excluding docs)

Language Stats

Language Impact Over Time

Cumulative LOC by Language

Your LOC/hr vs No-AI & Avg-AI Benchmarks — per Language

AI Productivity Trend — Weekly LOC/hr as Multiplier of No-AI Baseline

Value Created by Engineer Role

Market Rates by Role — Netherlands 2026

Gross Value — by Role

Session Leverage Over Time