openai / tiktoken Contributors

Zoomable circles (number of contributors per file): 30 days | 90 days | 6 months | past year | all time

Files with only one contributor are shown as grey.

Contributors

Recent Contributors (4)

Committed in past 6 months (a rookie = the first commit in past year)

No contributors in past 30 days.

Past 31 to 90 days (3):

12621235+hauntsaninja@users.noreply.github.com

mukunda.vjcs6@gmail.com

hintz@openai.com

Past 91 to 180 days (1):

salmanmkc@github.com

Historical Contributors (22)

Last contributors more than 6 months ago

shantanu@openai.com

lorinc.pap@gmail.com

nathan.goldbaum@gmail.com

144623830+rjarun8235@users.noreply.github.com

65483435+reneleonhardt@users.noreply.github.com

87315832+maxjprey@users.noreply.github.com

pap.lorinc@gmail.com

21180505+xhluca@users.noreply.github.com

nigampraneet460@gmail.com

1841944+paplorinc@users.noreply.github.com

23kilpatrick23@gmail.com

mdw@mdw.la

alvarobartt@gmail.com

youkaichao@gmail.com

jonathanagustin@gmail.com

mariatta@users.noreply.github.com

fritz.obermeyer@gmail.com

nickstathas@outlook.com

95656834+ted-at-openai@users.noreply.github.com

arvid.lunnemark@gmail.com

k2.vu@student.vu.nl

henriktorget@gmail.com

Contributors Matrix (Per Month)

					-	2	-	1	2	-	-	-	1	4	2	-	-	-	-	1	3	-	-	-	2	-	-	-	-
commits					-	2	-	1	2	-	-	-	1	4	4	-	-	-	-	1	6	-	-	-	4	-	-	-	-
line churn					-	+15 -5	-	+10 -10	+147 -19	-	-	-	+12 -3	+50 -37	+234 -73	-	-	-	-	+30 -8	+406 -258	-	-	-	+338 -144	-	-	-	-
	30d	3m	1y	all time
Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	-	1 +1 / -1	1 +1 / -1	1 +1 / -1	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Shantanu <12621235+hauntsaninja@users.noreply.github.com>	-	1 +14 / -4	3 +188 / -40	9 +666 / -360	-		-	-		-	-	-	-		-	-	-	-	-			-	-	-	-	-	-	-	-
Drew Hintz <hintz@openai.com>	-	1 +10 / -10	1 +10 / -10	1 +10 / -10	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Salman Chishti <salmanmkc@github.com>	-	-	1 +6 / -6	1 +6 / -6	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Shantanu <shantanu@openai.com>	-	-	4 +245 / -75	35 +1.9K / -428	-	-	-	-	-	-	-	-		-		-	-	-	-	-		-	-	-		-	-	-	-
Raj Arun <144623830+rjarun8235@users.noreply.github.com>	-	-	1 +1 / -0	1 +1 / -0	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	-	-	1 +7 / -7	1 +7 / -7	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nathan Goldbaum <nathan.goldbaum@gmail.com>	-	-	2 +10 / -8	2 +10 / -8	-	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-
Maxime Rey <87315832+maxjprey@users.noreply.github.com>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-
l0rinc <pap.lorinc@gmail.com>	-	-	-	1 +43 / -11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
Xing Han Lu <21180505+xhluca@users.noreply.github.com>	-	-	-	1 +2 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Praneet Nigam <nigampraneet460@gmail.com>	-	-	-	1 +2 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Lőrinc Pap <1841944+paplorinc@users.noreply.github.com>	-	-	-	1 +8 / -5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Logan Kilpatrick <23kilpatrick23@gmail.com>	-	-	-	1 +1 / -2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Matt Welsh <mdw@mdw.la>	-	-	-	1 +34 / -11	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Lőrinc <lorinc.pap@gmail.com>	-	-	-	3 +80 / -65	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Alvaro Bartolome <alvarobartt@gmail.com>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
youkaichao <youkaichao@gmail.com>	-	-	-	1 +2 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
jonathanagustin <jonathanagustin@gmail.com>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Mariatta Wijaya <mariatta@users.noreply.github.com>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Fritz Obermeyer <fritz.obermeyer@gmail.com>	-	-	-	1 +3 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nick Stathas <nickstathas@outlook.com>	-	-	-	1 +79 / -24	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Ted Sanders <95656834+ted-at-openai@users.noreply.github.com>	-	-	-	1 +1 / -0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Arvid Lunnemark <arvid.lunnemark@gmail.com>	-	-	-	1 +2 / -2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Nguyen-Khanh Vu <k2.vu@student.vu.nl>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Henrik Torget <henriktorget@gmail.com>	-	-	-	1 +1 / -1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

-

commits

-

30d

3m

1y

all time

No commits in past 30 days.

3 contributors (3 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn	File Updates (per extension)
1.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	2023-03-13	2026-05-15	1 (33%)	+14 / -4	py (2), toml (2), md (1)
2.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	2026-05-24	2026-05-24	1 (33%)	+1 / -1	yaml (1)
3.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (33%)	+10 / -10	yaml (1)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 90 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 90 days.

flowchart TB
    n0["mukunda.vjcs6@gmail.com"]
    n1["hintz@openai.com"]
    n0 ---|"1"| n1
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Drew Hintz <hintz@openai.com>	1 shared file .github/workflows/build_wheels.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	1	1
2.	Drew Hintz <hintz@openai.com>	1	1
3.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	0	1

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

4 contributors (5 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	2023-03-13	2026-05-15	2 (40%)	+155 / -17
2.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	2026-05-24	2026-05-24	1 (20%)	+1 / -1
3.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (20%)	+10 / -10
4.	Salman Chishti <salmanmkc@github.com>	2026-02-08	2026-02-08	1 (20%)	+6 / -6

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 180 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 180 days.

flowchart TB
    n0["mukunda.vjcs6@gmail.com"]
    n1["hintz@openai.com"]
    n2["salmanmkc@github.com"]
    n0 ---|"1"| n1
    n0 ---|"1"| n2
    n1 ---|"1"| n2
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688b5E,stroke-width:1px
    linkStyle 1 stroke:#00688b5E,stroke-width:1px
    linkStyle 2 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Drew Hintz <hintz@openai.com>	1 shared file .github/workflows/build_wheels.yml
2.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Salman Chishti <salmanmkc@github.com>	1 shared file .github/workflows/build_wheels.yml
3.	Drew Hintz <hintz@openai.com>	Salman Chishti <salmanmkc@github.com>	1 shared file .github/workflows/build_wheels.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	2	1
2.	Drew Hintz <hintz@openai.com>	2	1
3.	Salman Chishti <salmanmkc@github.com>	2	1
4.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	0	2

C-median: 2.0

A half of the contributors has more than 2.0 connections, and a half has less than this number.

C-mean: 2.0

An average number of connections a contributor has with other contributors.

C-index: 2.0

There are 2.0 contributors with 2.0 or more connections.

8 contributors (14 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Shantanu <shantanu@openai.com>	2022-12-15	2025-10-06	4 (28%)	+245 / -75
2.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	2023-03-13	2026-05-15	3 (21%)	+188 / -40
3.	Nathan Goldbaum <nathan.goldbaum@gmail.com>	2025-08-28	2025-09-01	2 (14%)	+10 / -8
4.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	2026-05-24	2026-05-24	1 (7%)	+1 / -1
5.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (7%)	+10 / -10
6.	Salman Chishti <salmanmkc@github.com>	2026-02-08	2026-02-08	1 (7%)	+6 / -6
7.	Raj Arun <144623830+rjarun8235@users.noreply.github.com>	2025-09-30	2025-09-30	1 (7%)	+1 / -0
8.	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	2025-09-30	2025-09-30	1 (7%)	+7 / -7

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 365 days.

Contributor Dependencies via Shared Files

contributor dependencies 2D graph

The number on lines shows the number of same files that both persons changed in past 365 days.

flowchart TB
    n0["shantanu@openai.com"]
    n1["12621235+hauntsaninja@users.noreply.github.com"]
    n2["nathan.goldbaum@gmail.com"]
    n3["65483435+reneleonhardt@users.noreply.github.com"]
    n4["mukunda.vjcs6@gmail.com"]
    n5["hintz@openai.com"]
    n6["salmanmkc@github.com"]
    n7["144623830+rjarun8235@users.noreply.github.com"]
    n0 ---|"9"| n1
    n0 ---|"3"| n2
    n2 ---|"3"| n1
    n3 ---|"2"| n2
    n4 ---|"1"| n5
    n4 ---|"1"| n6
    n4 ---|"1"| n3
    n4 ---|"1"| n2
    n5 ---|"1"| n6
    n5 ---|"1"| n3
    n5 ---|"1"| n2
    n6 ---|"1"| n3
    n6 ---|"1"| n2
    n1 ---|"1"| n3
    n0 ---|"1"| n3
    n0 ---|"1"| n7
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
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    linkStyle 1 stroke:#00688b82,stroke-width:3px
    linkStyle 2 stroke:#00688b82,stroke-width:3px
    linkStyle 3 stroke:#00688b70,stroke-width:2px
    linkStyle 4 stroke:#00688b5E,stroke-width:1px
    linkStyle 5 stroke:#00688b5E,stroke-width:1px
    linkStyle 6 stroke:#00688b5E,stroke-width:1px
    linkStyle 7 stroke:#00688b5E,stroke-width:1px
    linkStyle 8 stroke:#00688b5E,stroke-width:1px
    linkStyle 9 stroke:#00688b5E,stroke-width:1px
    linkStyle 10 stroke:#00688b5E,stroke-width:1px
    linkStyle 11 stroke:#00688b5E,stroke-width:1px
    linkStyle 12 stroke:#00688b5E,stroke-width:1px
    linkStyle 13 stroke:#00688b5E,stroke-width:1px
    linkStyle 14 stroke:#00688b5E,stroke-width:1px
    linkStyle 15 stroke:#00688b5E,stroke-width:1px

Download: Mermaid (.mmd) (open online Mermaid editor)

- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Shantanu <shantanu@openai.com>	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	9 shared files src/lib.rs tests/test_encoding.py tiktoken/load.py tiktoken/core.py CHANGELOG.md src/py.rs tiktoken/__init__.py Cargo.toml pyproject.toml
2.	Shantanu <shantanu@openai.com>	Nathan Goldbaum <nathan.goldbaum@gmail.com>	3 shared files src/lib.rs src/py.rs Cargo.toml
3.	Nathan Goldbaum <nathan.goldbaum@gmail.com>	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	3 shared files src/lib.rs src/py.rs Cargo.toml
4.	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	Nathan Goldbaum <nathan.goldbaum@gmail.com>	2 shared files .github/workflows/build_wheels.yml Cargo.toml
5.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Drew Hintz <hintz@openai.com>	1 shared file .github/workflows/build_wheels.yml
6.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Salman Chishti <salmanmkc@github.com>	1 shared file .github/workflows/build_wheels.yml
7.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	1 shared file .github/workflows/build_wheels.yml
8.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	Nathan Goldbaum <nathan.goldbaum@gmail.com>	1 shared file .github/workflows/build_wheels.yml
9.	Drew Hintz <hintz@openai.com>	Salman Chishti <salmanmkc@github.com>	1 shared file .github/workflows/build_wheels.yml
10.	Drew Hintz <hintz@openai.com>	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	1 shared file .github/workflows/build_wheels.yml
11.	Drew Hintz <hintz@openai.com>	Nathan Goldbaum <nathan.goldbaum@gmail.com>	1 shared file .github/workflows/build_wheels.yml
12.	Salman Chishti <salmanmkc@github.com>	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	1 shared file .github/workflows/build_wheels.yml
13.	Salman Chishti <salmanmkc@github.com>	Nathan Goldbaum <nathan.goldbaum@gmail.com>	1 shared file .github/workflows/build_wheels.yml
14.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	1 shared file Cargo.toml
15.	Shantanu <shantanu@openai.com>	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	1 shared file Cargo.toml
16.	Shantanu <shantanu@openai.com>	Raj Arun <144623830+rjarun8235@users.noreply.github.com>	1 shared file tiktoken/model.py

Most Connected Contributors

	Contributor	# connections	# commits
1.	Nathan Goldbaum <nathan.goldbaum@gmail.com>	6	2
2.	Rene Leonhardt <65483435+reneleonhardt@users.noreply.github.com>	6	1
3.	Shantanu <shantanu@openai.com>	4	4
4.	Mukunda Rao Katta <mukunda.vjcs6@gmail.com>	4	1
5.	Drew Hintz <hintz@openai.com>	4	1
6.	Salman Chishti <salmanmkc@github.com>	4	1
7.	Shantanu <12621235+hauntsaninja@users.noreply.github.com>	3	3
8.	Raj Arun <144623830+rjarun8235@users.noreply.github.com>	1	1

C-median: 4.0

A half of the contributors has more than 4.0 connections, and a half has less than this number.

C-mean: 4.0

An average number of connections a contributor has with other contributors.

C-index: 4.0

There are 4.0 contributors with 4.0 or more connections.

Contributors' details...