openai / openai-cookbook
File Age & Freshness

File age measurements show the distribution of file ages (days since the first commit) and the file freshness (days since the latest commit).

Summary
  • Number of files: 8
  • Daily file updates (only one update per file and date counted): 3390
  • First update: 2022-06-09
  • Latest update: 2026-06-18
  • Days between first and latest update: 1,471 (210 weeks, estimated 1,050 working days)
  • Active days (at least one file change): 504
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 8 files with 7,716 lines of code in files.
    • 3 files that are 366+ days old (3,756 lines of code)
    • 4 files that are 181-365 days old (2,325 lines of code)
    • 1 files that are 91-180 days old (1,635 lines of code)
    • 0 files that are 31-90 days old (0 lines of code)
    • 0 files that are 1-30 days old (0 lines of code)
48% | 30% | 21% | 0% | 0%
Legend:
366+
181-365
91-180
31-90
1-30

explore: grouped by folders | grouped by age
File Freshness Distribution Overall
Days since last update
  • There are 8 files with 7,716 lines of code in files.
    • 1 files have been last changed 366+ days ago (39 lines of code)
    • 4 files have been last changed 181-365 days ago (2,325 lines of code)
    • 1 files have been last changed 91-180 days ago (1,635 lines of code)
    • 0 files have been last changed 31-90 days ago (0 lines of code)
    • 2 files have been last changed 1-30 days ago (3,717 lines of code)
<1% | 30% | 21% | 0% | 48%
Legend:
366+
181-365
91-180
31-90
1-30

explore: grouped by folders | grouped by freshness
File Change History per File Extension
ipynb, json, py, md, txt, js, pkl, tsx, svg, ts, yaml, gitignore, html, jsonl, css, mdx, mjs, scss, jsx, toml, tex, dockerignore, sh, prettierignore
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
yaml100% | 0% | 0% | 0% | 0%
py100% | 0% | 0% | 0% | 0%
ipynb0% | 58% | 41% | 0% | 0%
File Freshness Distribution per Extension
Days since last update
366+
181-365
91-180
31-90
1-30
py100% | 0% | 0% | 0% | 0%
ipynb0% | 58% | 41% | 0% | 0%
yaml0% | 0% | 0% | 0% | 100%
File Change History per Logical Decomposition
primary
primary (file age distribution)
Days since first update
366+
181-365
91-180
31-90
1-30
ROOT100% | 0% | 0% | 0% | 0%
.github100% | 0% | 0% | 0% | 0%
articles0% | 58% | 41% | 0% | 0%
primary (file freshness distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
.github100% | 0% | 0% | 0% | 0%
articles0% | 58% | 41% | 0% | 0%
ROOT0% | 0% | 0% | 0% | 100%
Oldest Files (Top 8)
File# lines# unitscreatedlast modified# changes
(days)
# contributorsfirst
contributor
latest
contributor
3221 - 2023-10-02 2026-06-18 200 113 simonpfish@gmail.com neilh@openai.com
496 - 2023-11-08 2026-06-18 108 95 simonpfish@gmail.com neilh@openai.com
check_notebooks.py
in .github/scripts
39 3 2025-04-28 2025-04-28 1 1 brandonbaker@openai.com brandonbaker@openai.com
fine-tune-transfomers.ipynb
in articles/gpt-oss
673 - 2025-08-05 2025-08-06 2 2 dkundel@openai.com sergiopaniegoblanco@gmail.com
run-colab.ipynb
in articles/gpt-oss
247 - 2025-08-06 2025-08-13 3 2 pedro@huggingface.co vaibhavs10@gmail.com
run-nvidia.ipynb
in articles/gpt-oss
209 - 2025-08-15 2025-08-15 1 1 dkundel@openai.com dkundel@openai.com
fine-tune-korean.ipynb
in articles/gpt-oss
1196 - 2025-08-26 2025-08-26 1 1 heejin@openai.com heejin@openai.com
1635 - 2026-01-13 2026-01-14 2 2 vb@openai.com zhenwei.gao@cerebras.net
Files Not Recently Changed (Top 8)
File# lines# unitscreatedlast modified# changes
(days)
# contributorsfirst
contributor
latest
contributor
check_notebooks.py
in .github/scripts
39 3 2025-04-28 2025-04-28 1 1 brandonbaker@openai.com brandonbaker@openai.com
fine-tune-transfomers.ipynb
in articles/gpt-oss
673 - 2025-08-05 2025-08-06 2 2 dkundel@openai.com sergiopaniegoblanco@gmail.com
run-colab.ipynb
in articles/gpt-oss
247 - 2025-08-06 2025-08-13 3 2 pedro@huggingface.co vaibhavs10@gmail.com
run-nvidia.ipynb
in articles/gpt-oss
209 - 2025-08-15 2025-08-15 1 1 dkundel@openai.com dkundel@openai.com
fine-tune-korean.ipynb
in articles/gpt-oss
1196 - 2025-08-26 2025-08-26 1 1 heejin@openai.com heejin@openai.com
1635 - 2026-01-13 2026-01-14 2 2 vb@openai.com zhenwei.gao@cerebras.net
496 - 2023-11-08 2026-06-18 108 95 simonpfish@gmail.com neilh@openai.com
3221 - 2023-10-02 2026-06-18 200 113 simonpfish@gmail.com neilh@openai.com
Most Recently Created Files (Top 8)
File# lines# unitscreatedlast modified# changes
(days)
# contributorsfirst
contributor
latest
contributor
1635 - 2026-01-13 2026-01-14 2 2 vb@openai.com zhenwei.gao@cerebras.net
fine-tune-korean.ipynb
in articles/gpt-oss
1196 - 2025-08-26 2025-08-26 1 1 heejin@openai.com heejin@openai.com
run-nvidia.ipynb
in articles/gpt-oss
209 - 2025-08-15 2025-08-15 1 1 dkundel@openai.com dkundel@openai.com
run-colab.ipynb
in articles/gpt-oss
247 - 2025-08-06 2025-08-13 3 2 pedro@huggingface.co vaibhavs10@gmail.com
fine-tune-transfomers.ipynb
in articles/gpt-oss
673 - 2025-08-05 2025-08-06 2 2 dkundel@openai.com sergiopaniegoblanco@gmail.com
check_notebooks.py
in .github/scripts
39 3 2025-04-28 2025-04-28 1 1 brandonbaker@openai.com brandonbaker@openai.com
496 - 2023-11-08 2026-06-18 108 95 simonpfish@gmail.com neilh@openai.com
3221 - 2023-10-02 2026-06-18 200 113 simonpfish@gmail.com neilh@openai.com
Most Recently Changed Files (Top 8)
File# lines# unitscreatedlast modified# changes
(days)
# contributorsfirst
contributor
latest
contributor
3221 - 2023-10-02 2026-06-18 200 113 simonpfish@gmail.com neilh@openai.com
496 - 2023-11-08 2026-06-18 108 95 simonpfish@gmail.com neilh@openai.com
1635 - 2026-01-13 2026-01-14 2 2 vb@openai.com zhenwei.gao@cerebras.net
fine-tune-korean.ipynb
in articles/gpt-oss
1196 - 2025-08-26 2025-08-26 1 1 heejin@openai.com heejin@openai.com
run-nvidia.ipynb
in articles/gpt-oss
209 - 2025-08-15 2025-08-15 1 1 dkundel@openai.com dkundel@openai.com
run-colab.ipynb
in articles/gpt-oss
247 - 2025-08-06 2025-08-13 3 2 pedro@huggingface.co vaibhavs10@gmail.com
fine-tune-transfomers.ipynb
in articles/gpt-oss
673 - 2025-08-05 2025-08-06 2 2 dkundel@openai.com sergiopaniegoblanco@gmail.com
check_notebooks.py
in .github/scripts
39 3 2025-04-28 2025-04-28 1 1 brandonbaker@openai.com brandonbaker@openai.com