openai / frontier-evals 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):

146999853+mcgrew-oai@users.noreply.github.com

29987540+justinlinw@users.noreply.github.com

hintz@openai.com

Past 91 to 180 days (1):

justin.wang@c-openai.com

Historical Contributors (7)

Last contributors more than 6 months ago

giulio.starace@gmail.com

129281094+james-aung@users.noreply.github.com

simon@openai.com

oliver.jaffe@hotmail.co.uk

ryan.kaufman@c-openai.com

stalkermustang@gmail.com

tejalpatwardhan@gmail.com

Contributors Matrix (Per Month)

					-	-	2	2	1	-	1	1	2	1	2	2	-	2	3	-	-	-	-	-	-	-	-	-	-
commits					-	-	2	2	1	-	8	4	4	6	8	31	-	5	9	-	-	-	-	-	-	-	-	-	-
line churn					-	-	+5 -2	+336 -2.9K	+133K -0	-	+7.5K -231K	+6K -4K	+144 -54	+12K -12K	+2.2K -3.3K	+325K -21K	-	+43 -13	+1.3K -302	-	-	-	-	-	-	-	-	-	-
	30d	3m	1y	all time
mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	-	1 +2 / -2	1 +2 / -2	1 +2 / -2	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	-	1 +3 / -0	1 +3 / -0	1 +3 / -0	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Drew Hintz <hintz@openai.com>	-	1 +19 / -19	1 +19 / -19	1 +19 / -19	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Justin <justin.wang@c-openai.com>	-	-	2 +134K / -2.9K	2 +134K / -2.9K	-	-	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Giulio Starace <giulio.starace@gmail.com>	-	-	51 +341K / -259K	53 +341K / -259K	-	-	-	-	-	-				-			-	-		-	-	-	-	-	-	-	-	-	-
Igor Kotenkov <stalkermustang@gmail.com>	-	-	1 +14 / -5	1 +14 / -5	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Simón Posada Fishman <simon@openai.com>	-	-	6 +12K / -12K	6 +12K / -12K	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
ryanka-openai <ryan.kaufman@c-openai.com>	-	-	3 +255 / -7	3 +255 / -7	-	-	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-	-	-	-	-	-	-
James Aung <129281094+james-aung@users.noreply.github.com>	-	-	-	7 +770 / -12	-	-	-	-	-	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-	-	-	-
Tejal Patwardhan <tejalpatwardhan@gmail.com>	-	-	-	1 +4 / -3	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-
Oliver Jaffe <oliver.jaffe@hotmail.co.uk>	-	-	-	4 +352 / -181	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-

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.	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	2026-04-21	2026-04-21	1 (33%)	+2 / -2	yaml (1)
2.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	2026-04-08	2026-04-08	1 (33%)	+3 / -0	md (1)
3.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (33%)	+19 / -19	yaml (9)

4 contributors (5 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Justin <justin.wang@c-openai.com>	2026-02-18	2026-03-04	2 (40%)	+134K / -2.9K
2.	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	2026-04-21	2026-04-21	1 (20%)	+2 / -2
3.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	2026-04-08	2026-04-08	1 (20%)	+3 / -0
4.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (20%)	+19 / -19

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["29987540+justinlinw@users.noreply.github.com"]
    n1["justin.wang@c-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.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	Justin <justin.wang@c-openai.com>	1 shared file project/evmbench/README.md

Most Connected Contributors

	Contributor	# connections	# commits
1.	Justin <justin.wang@c-openai.com>	1	2
2.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	1	1
3.	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	0	1
4.	Drew Hintz <hintz@openai.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.

8 contributors (66 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	Line Churn
1.	Giulio Starace <giulio.starace@gmail.com>	2025-04-04	2025-12-06	51 (77%)	+341K / -259K
2.	Simón Posada Fishman <simon@openai.com>	2025-09-23	2025-09-24	6 (9%)	+12K / -12K
3.	ryanka-openai <ryan.kaufman@c-openai.com>	2025-07-28	2025-08-14	3 (4%)	+255 / -7
4.	Justin <justin.wang@c-openai.com>	2026-02-18	2026-03-04	2 (3%)	+134K / -2.9K
5.	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	2026-04-21	2026-04-21	1 (1%)	+2 / -2
6.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	2026-04-08	2026-04-08	1 (1%)	+3 / -0
7.	Drew Hintz <hintz@openai.com>	2026-03-27	2026-03-27	1 (1%)	+19 / -19
8.	Igor Kotenkov <stalkermustang@gmail.com>	2025-10-28	2025-10-28	1 (1%)	+14 / -5

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["simon@openai.com"]
    n1["giulio.starace@gmail.com"]
    n2["hintz@openai.com"]
    n3["stalkermustang@gmail.com"]
    n4["ryan.kaufman@c-openai.com"]
    n5["justin.wang@c-openai.com"]
    n6["29987540+justinlinw@users.noreply.github.com"]
    n7["146999853+mcgrew-oai@users.noreply.github.com"]
    n0 ---|"87"| n1
    n2 ---|"8"| n1
    n3 ---|"6"| n0
    n1 ---|"5"| n4
    n3 ---|"3"| n1
    n0 ---|"2"| n4
    n5 ---|"1"| n0
    n5 ---|"1"| n1
    n6 ---|"1"| n5
    n1 ---|"1"| n7
    n0 ---|"1"| n7
    classDef default fill:#808080,stroke:#ffffff,color:#000000;
    classDef highlighted fill:#00b2ee,stroke:#ffffff,color:#000000;
    linkStyle 0 stroke:#00688bFF,stroke-width:10px
    linkStyle 1 stroke:#00688b4C,stroke-width:1px
    linkStyle 2 stroke:#00688b4C,stroke-width:1px
    linkStyle 3 stroke:#00688b4C,stroke-width:1px
    linkStyle 4 stroke:#00688b4C,stroke-width:1px
    linkStyle 5 stroke:#00688b4C,stroke-width:1px
    linkStyle 6 stroke:#00688b4C,stroke-width:1px
    linkStyle 7 stroke:#00688b4C,stroke-width:1px
    linkStyle 8 stroke:#00688b4C,stroke-width:1px
    linkStyle 9 stroke:#00688b4C,stroke-width:1px
    linkStyle 10 stroke:#00688b4C,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.	Simón Posada Fishman <simon@openai.com>	Giulio Starace <giulio.starace@gmail.com>	87 shared files project/nanoeval/nanoeval/solvers/computer_tasks/steps_test.py project/nanoeval/nanoeval/solvers/computer_tasks/steps.py project/nanoeval/nanoeval/recorder.py project/preparedness_turn_completer/tests/oai_responses_turn_completer/test_integration_completer.py README.md project/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/type_helpers.py project/nanoeval/nanoeval/_multiprocessing_utils.py project/nanoeval/nanoeval/_executor_worker.py project/nanoeval/nanoeval/solvers/computer_tasks/simple_solver.py project/nanoeval/nanoeval/evaluation.py project/nanoeval/nanoeval/_db.py project/common/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/converters.py project/nanoeval/nanoeval/solvers/computer_tasks/solver.py project/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/converters.py project/nanoeval/nanoeval/metrics/standard_test.py project/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/completer.py project/preparedness_turn_completer/tests/oai_responses_turn_completer/test_converters.py project/nanoeval/nanoeval/evaluation_test.py project/nanoeval/nanoeval/bin/resume.py project/nanoeval/nanoeval/library_config.py pyproject.toml project/common/preparedness_turn_completer/tests/oai_responses_turn_completer/test_type_helpers.py project/nanoeval/nanoeval/solvers/computer_tasks/code_execution_interface.py project/common/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/type_helpers.py project/nanoeval/nanoeval/solvers/computer_tasks/demo/_demo_task.py project/nanoeval/pyproject.toml project/common/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/completer.py project/paperbench/pyproject.toml project/common/preparedness_turn_completer/preparedness_turn_completer/utils.py project/nanoeval/nanoeval/contrib/utils.py project/paperbench/README.md project/nanoeval/nanoeval/solvers/computer_tasks/demo/runtime.py project/nanoeval/README.md project/common/alcatraz/pyproject.toml project/preparedness_turn_completer/preparedness_turn_completer/turn_completer.py project/preparedness_turn_completer/tests/oai_responses_turn_completer/test_type_helpers.py project/nanoeval/nanoeval/bin/sqlite.py project/nanoeval/nanoeval/setup.py project/nanoeval/nanoeval/solvers/computer_tasks/limits_test.py project/nanoeval/nanoeval/fs_paths.py project/nanoeval/nanoeval/examples/bundled_evals_test.py project/nanoeval/nanoeval/solvers/short_answer.py project/compatibility_api/pyproject.toml project/nanoeval/nanoeval/solvers/computer_tasks/demo/agent.py project/common/nanoeval_alcatraz/nanoeval_alcatraz/task_to_alcatraz_config.py project/preparedness_turn_completer/preparedness_turn_completer/__init__.py project/preparedness_turn_completer/preparedness_turn_completer/oai_completions_turn_completer.py project/preparedness_turn_completer/pyproject.toml project/preparedness_turn_completer/preparedness_turn_completer/utils.py project/nanoeval/nanoeval/solvers/computer_tasks/pausable_timer.py project/compatibility_api_preparedness/compatibility_api_preparedness/api.py project/common/nanoeval_alcatraz/nanoeval_alcatraz/alcatraz_computer_interface.py project/nanoeval/nanoeval/solvers/computer_tasks/limits.py project/nanoeval_alcatraz/nanoeval_alcatraz/alcatraz_computer_interface.py project/common/preparedness_turn_completer/uv.lock project/nanoeval/nanoeval/_persistent_db.py project/common/preparedness_turn_completer/pyproject.toml project/nanoeval/nanoeval/eval.py project/compatibility_api/compatibility_api/task.py project/paperbench/uv.lock project/nanoeval/nanoeval/json_recorder_test.py project/alcatraz/pyproject.toml project/swelancer/pyproject.toml project/preparedness_turn_completer/preparedness_turn_completer/oai_responses_turn_completer/__init__.py project/nanoeval/docs/computer_tasks.md project/alcatraz/alcatraz/utils/cmds.py project/nanoeval/nanoeval/metrics/agents.py project/nanoeval/nanoeval/metrics/standard.py project/alcatraz/alcatraz/clusters/local.py project/nanoeval/nanoeval/asyncio_utils.py project/swelancer/uv.lock project/nanoeval/nanoeval/solvers/mcq_test.py project/preparedness_turn_completer/uv.lock project/common/preparedness_turn_completer/preparedness_turn_completer/oai_completions_turn_completer.py project/nanoeval/nanoeval/solvers/mcq_api.py project/common/alcatraz/alcatraz/clusters/local.py project/nanoeval/nanoeval/solvers/computer_tasks/task.py project/compatibility_api/compatibility_api/api.py project/nanoeval/nanoeval/solvers/mcq.py project/nanoeval/nanoeval/bin/resume_test.py project/nanoeval/nanoeval/_aiomonitor.py project/nanoeval/nanoeval/contrib/__init__.py project/compatibility_api_preparedness/pyproject.toml project/nanoeval_alcatraz/pyproject.toml .pre-commit-config.yaml project/nanoeval/nanoeval/examples/_gpqa.py project/nanoeval/nanoeval/monitor.py
2.	Drew Hintz <hintz@openai.com>	Giulio Starace <giulio.starace@gmail.com>	8 shared files .github/workflows/swelancer_lint.yml .github/workflows/paperbench_tests.yml .github/workflows/compatibility_api_lint.yml .github/workflows/compatibility_api_preparedness_lint.yml .github/workflows/paperbench_lint.yml .github/workflows/alcatraz_lint.yml .github/workflows/preparedness_turncompleter_lint.yml .github/workflows/preparedness_turncompleter_tests.yml
3.	Igor Kotenkov <stalkermustang@gmail.com>	Simón Posada Fishman <simon@openai.com>	6 shared files project/common/compatibility_api/pyproject.toml project/common/preparedness_turn_completer/preparedness_turn_completer/utils.py project/common/alcatraz/pyproject.toml project/common/compatibility_api_preparedness/pyproject.toml project/common/nanoeval/pyproject.toml project/common/preparedness_turn_completer/pyproject.toml
4.	Giulio Starace <giulio.starace@gmail.com>	ryanka-openai <ryan.kaufman@c-openai.com>	5 shared files project/swelancer/README.md project/nanoeval_alcatraz/nanoeval_alcatraz/alcatraz_computer_interface.py project/swelancer/all_swelancer_tasks.csv project/alcatraz/alcatraz/clusters/local.py project/swelancer/swelancer/eval.py
5.	Igor Kotenkov <stalkermustang@gmail.com>	Giulio Starace <giulio.starace@gmail.com>	3 shared files project/common/preparedness_turn_completer/preparedness_turn_completer/utils.py project/common/alcatraz/pyproject.toml project/common/preparedness_turn_completer/pyproject.toml
6.	Simón Posada Fishman <simon@openai.com>	ryanka-openai <ryan.kaufman@c-openai.com>	2 shared files project/nanoeval_alcatraz/nanoeval_alcatraz/alcatraz_computer_interface.py project/alcatraz/alcatraz/clusters/local.py
7.	Justin <justin.wang@c-openai.com>	Simón Posada Fishman <simon@openai.com>	1 shared file README.md
8.	Justin <justin.wang@c-openai.com>	Giulio Starace <giulio.starace@gmail.com>	1 shared file README.md
9.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	Justin <justin.wang@c-openai.com>	1 shared file project/evmbench/README.md
10.	Giulio Starace <giulio.starace@gmail.com>	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	1 shared file .pre-commit-config.yaml
11.	Simón Posada Fishman <simon@openai.com>	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	1 shared file .pre-commit-config.yaml

Most Connected Contributors

	Contributor	# connections	# commits
1.	Giulio Starace <giulio.starace@gmail.com>	6	51
2.	Simón Posada Fishman <simon@openai.com>	5	6
3.	Justin <justin.wang@c-openai.com>	3	2
4.	ryanka-openai <ryan.kaufman@c-openai.com>	2	3
5.	mcgrew-oai <146999853+mcgrew-oai@users.noreply.github.com>	2	1
6.	Igor Kotenkov <stalkermustang@gmail.com>	2	1
7.	Justin W. Lin <29987540+justinlinw@users.noreply.github.com>	1	1
8.	Drew Hintz <hintz@openai.com>	1	1

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: 2.7

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.

Contributors' details...