https://github.com/pydantic/jiter

json json-parser pydantic rust

Score: 28.053246255908057

Last synced: about 20 hours ago
JSON representation

Repository metadata:

Fast iterable JSON parser.

Host: GitHub
URL: https://github.com/pydantic/jiter
Owner: pydantic
License: mit
Created: 2022-10-21T17:31:20.000Z (over 3 years ago)
Default Branch: main
Last Pushed: 2025-11-09T20:38:47.000Z (3 months ago)
Last Synced: 2026-01-24T04:25:35.030Z (15 days ago)
Topics: json, json-parser, pydantic, rust
Language: Rust
Homepage: https://crates.io/crates/jiter
Size: 708 KB
Stars: 487
Watchers: 7
Forks: 49
Open Issues: 19
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Funding:
- Github: samuelcolvin

Owner metadata:

Name: Pydantic
Login: pydantic
Email: hello@pydantic.dev
Kind: organization
Description: Pydantic, Pydantic Logfire and Pydantic AI
Website: https://pydantic.dev
Location: United Kingdom
Twitter: pydantic
Company:
Icon url: https://avatars.githubusercontent.com/u/110818415?v=4
Repositories: 62
Last Synced at: 2026-01-23T16:04:29.162Z
Profile URL: https://github.com/pydantic

GitHub Events

Total

Create event: 47
Delete event: 34
Fork event: 26
Issue comment event: 170
Issues event: 28
Member event: 3
Pull request event: 88
Pull request review comment event: 8
Pull request review event: 29
Push event: 127
Release event: 12
Watch event: 194
Total: 766

Last Year

Create event: 23
Delete event: 19
Fork event: 22
Issue comment event: 92
Issues event: 16
Member event: 3
Pull request event: 51
Pull request review comment event: 3
Pull request review event: 19
Push event: 65
Release event: 7
Watch event: 153
Total: 473

Committers metadata

Last synced: 24 days ago

Total Commits: 208
Total Committers: 23
Avg Commits per committer: 9.043
Development Distribution Score (DDS): 0.418

Commits in past year: 34
Committers in past year: 11
Avg Commits per committer in past year: 3.091
Development Distribution Score (DDS) in past year: 0.5

Name	Email	Commits
Samuel Colvin	s**@m**m	121
David Hewitt	d**t@p**v	57
Victorien	6****s	3
jesse	j**n@g**m	3
Michael Šimáček	m**k@o**m	3
Amos Wenger	f****e	2
Ben Beasley	c**e@m**t	2
Matthew Kim	3****w	2
Adrien Cacciaguerra	a**a@g**m	1
Arthur Pastel	a**l@g**m	1
Christian Clauss	c**s@m**m	1
Christian Heimes	c**n@p**g	1
Colin Watson	c**n@d**g	1
Dylan DPC	9****C	1
Eric Jolibois	e**s@g**m	1
Fabio Valentini	d****e	1
Hamir Mahal	h**l@g**m	1
Julien Stephan	s**n@l**t	1
Simon Willison	s**n@g**m	1
Stepan Sindelar	m**e@s**z	1
Sydney Runkle	5****e	1
Taeho Kim	d**s@g**m	1
cetra3	c**3@h**m	1

Issue and Pull Request metadata

Last synced: 2 months ago

Total issues: 42
Total pull requests: 249
Average time to close issues: 30 days
Average time to close pull requests: 16 days
Total issue authors: 33
Total pull request authors: 24
Average comments per issue: 1.36
Average comments per pull request: 2.0
Merged pull request: 185
Bot issues: 0
Bot pull requests: 0

Past year issues: 15
Past year pull requests: 65
Past year average time to close issues: about 2 months
Past year average time to close pull requests: 4 days
Past year issue authors: 13
Past year pull request authors: 10
Past year average comments per issue: 1.27
Past year average comments per pull request: 1.92
Past year merged pull request: 49
Past year bot issues: 0
Past year bot pull requests: 0

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/pydantic/jiter

Top Issue Authors

samuelcolvin (4)
fasterthanlime (3)
musicinmybrain (2)
RobertCraigie (2)
jessekrubin (2)
davidhewitt (2)
CNSeniorious000 (1)
1aam2am1 (1)
russoz (1)
hamirmahal (1)
AlexWaygood (1)
a-ovchinnikov (1)
sansyrox (1)
decathorpe (1)
tiran (1)

Top Pull Request Authors

samuelcolvin (108)
davidhewitt (98)
Viicos (6)
friendlymatthew (4)
jessekrubin (4)
musicinmybrain (3)
art049 (2)
fasterthanlime (2)
justeph (2)
Dylan-DPC (2)
dittos (2)
decathorpe (2)
1aam2am1 (2)
adriencaccia (2)
msimacek (1)

Top Issue Labels

enhancement (1)

Top Pull Request Labels

Full Build (19)

Package metadata

Total packages: 4
Total downloads:
- cargo: 10,361,677 total
- pypi: 99,406,303 last-month
Total docker downloads: 21,298,508
Total dependent packages: 1 (may contain duplicates)
Total dependent repositories: 0 (may contain duplicates)
Total versions: 49
Total maintainers: 4

pypi.org: jiter

Fast iterable JSON parser.

Homepage: https://github.com/pydantic/jiter/
Documentation: https://jiter.readthedocs.io/
Licenses: MIT License
Latest release: 0.12.0 (published 3 months ago)
Last Synced: 2026-01-09T11:54:24.303Z (29 days ago)
Versions: 17
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 99,406,303 Last month
Docker Downloads: 463,981
Rankings:
- Dependent packages count: 10.965%
- Average: 36.354%
- Dependent repos count: 61.743%
Maintainers (2)
- dmontagu
- davidhewitt

anaconda.org: jiter

Fast iterable JSON parser.

Homepage: https://crates.io/crates/jiter
Licenses: MIT
Latest release: 0.12.0 (published 3 months ago)
Last Synced: 2026-01-05T14:03:38.441Z (about 1 month ago)
Versions: 2
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Stargazers count: 41.25%
- Dependent packages count: 47.161%
- Average: 47.702%
- Forks count: 50.547%
- Dependent repos count: 51.849%

crates.io: ftl-jiter

Fast Iterable JSON parser (preview build)

Homepage: https://github.com/pydantic/jiter/
Documentation: https://docs.rs/ftl-jiter/
Licenses: MIT
Latest release: 0.6.0 (published over 1 year ago)
Last Synced: 2026-01-20T23:07:10.048Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 1,242 Total
Rankings:
- Dependent repos count: 25.503%
- Dependent packages count: 33.822%
- Average: 51.969%
- Downloads: 96.58%
Maintainers (1)
- fasterthanlime

crates.io: jiter

Fast Iterable JSON parser

Homepage: https://github.com/pydantic/jiter/
Documentation: https://docs.rs/jiter/
Licenses: MIT
Latest release: 0.12.0 (published 3 months ago)
Last Synced: 2026-01-06T23:03:27.957Z (about 1 month ago)
Versions: 29
Dependent Packages: 1
Dependent Repositories: 0
Downloads: 10,360,435 Total
Docker Downloads: 20,834,527
Rankings:
- Dependent repos count: 30.279%
- Dependent packages count: 31.399%
- Average: 53.343%
- Downloads: 98.352%
Maintainers (1)
- samuelcolvin

Dependencies

.github/workflows/ci.yml actions

Swatinem/rust-cache v2 composite
actions/checkout v3 composite
actions/checkout v2 composite
codecov/codecov-action v3 composite
dtolnay/rust-toolchain master composite
dtolnay/rust-toolchain nightly composite
dtolnay/rust-toolchain stable composite
pre-commit/action v3.0.0 composite
re-actors/alls-green release/v1 composite

Cargo.lock cargo

autocfg 1.1.0
equivalent 1.0.1
hashbrown 0.14.0
heck 0.4.1
indexmap 2.0.0
itoa 1.0.9
num-bigint 0.4.4
num-integer 0.1.45
num-traits 0.2.16
paste 1.0.14
proc-macro2 1.0.66
quote 1.0.33
rustversion 1.0.14
ryu 1.0.15
serde 1.0.188
serde_derive 1.0.188
serde_json 1.0.105
strum 0.25.0
strum_macros 0.25.2
syn 2.0.31
unicode-ident 1.0.11

Cargo.toml cargo

paste 1.0.7 development
serde 1.0.147 development
serde_json 1.0.87 development
indexmap 2.0.0
num-bigint 0.4.3
num-traits 0.2.16
strum 0.25.0
strum_macros 0.25.0

fuzz/Cargo.lock cargo

arbitrary 1.3.0
autocfg 1.1.0
cc 1.0.83
equivalent 1.0.1
hashbrown 0.14.0
heck 0.4.1
indexmap 2.0.0
itoa 1.0.9
jobserver 0.1.26
libc 0.2.147
libfuzzer-sys 0.4.7
num-bigint 0.4.4
num-integer 0.1.45
num-traits 0.2.16
once_cell 1.18.0
proc-macro2 1.0.66
quote 1.0.33
rustversion 1.0.14
ryu 1.0.15
serde 1.0.188
serde_derive 1.0.188
serde_json 1.0.105
strum 0.25.0
strum_macros 0.25.2
syn 2.0.31
unicode-ident 1.0.11

fuzz/Cargo.toml cargo

ecosyste.ms

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Summary

https://github.com/pydantic/jiter

Repository metadata:

Owner metadata:

GitHub Events

Total

Last Year

Committers metadata

Issue and Pull Request metadata

Top Issue Authors

Top Pull Request Authors

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Package metadata

pypi.org: jiter

anaconda.org: jiter

crates.io: ftl-jiter

crates.io: jiter

Dependencies