Skip to content

rtiktoken

A Byte-Pair-Encoding (BPE) Tokenizer for OpenAI's Large Language Models

v0.0.7 · Apr 14, 2025 · MIT + file LICENSE

Description

A thin wrapper around the tiktoken-rs crate, allowing to encode text into Byte-Pair-Encoding (BPE) tokens and decode tokens back to text. This is useful to understand how Large Language Models (LLMs) perceive text.

Downloads

235

Last 30 days

19319th

635

Last 90 days

2.6K

Last year

Trend: +18.1% (30d vs prior 30d)

CRAN Check Status

9 NOTE
5 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang NOTE
r-devel-linux-x86_64-fedora-gcc NOTE
r-devel-macos-arm64 OK
r-devel-windows-x86_64 NOTE
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 NOTE
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (9 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

compiled code

File ‘rtiktoken/libs/rtiktoken.so’:
  Found non-API calls to R: ‘R_NamespaceRegistry’, ‘R_Srcref’,
    ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-linux-x86_64-debian-gcc

compiled code

File ‘rtiktoken/libs/rtiktoken.so’:
  Found non-API calls to R: ‘R_NamespaceRegistry’, ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-linux-x86_64-fedora-clang

compiled code

File ‘rtiktoken/libs/rtiktoken.so’:
  Found non-API calls to R: ‘R_NamespaceRegistry’, ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-linux-x86_64-fedora-gcc

compiled code

File ‘rtiktoken/libs/rtiktoken.so’:
  Found non-API calls to R: ‘R_NamespaceRegistry’, ‘R_Srcref’,
    ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-windows-x86_64

compiled code

File 'rtiktoken/libs/x64/rtiktoken.dll':
  Found non-API calls to R: 'R_NamespaceRegistry', 'R_Srcref',
    'R_UnboundValue'

Compiled code should not call non-API entry points in R.

See 'Writing portable packages' in the 'Writing R Extensions' manual,
and section 'Moving into C API compliance' for issues with the use of
non-API entry points.
NOTE r-oldrel-macos-arm64

installed package size

installed size is 12.7Mb
  sub-directories of 1Mb or more:
    libs  12.6Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 12.5Mb
  sub-directories of 1Mb or more:
    libs  12.4Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  9.8Mb
  sub-directories of 1Mb or more:
    libs   9.7Mb
NOTE r-patched-linux-x86_64

compiled code

File ‘rtiktoken/libs/rtiktoken.so’:
  Found non-API calls to R: ‘R_MissingArg’, ‘R_NamespaceRegistry’,
    ‘R_Srcref’, ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.

Check History

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 12.7Mb
  sub-directories of 1Mb or more:
    libs  12.6Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 12.5Mb
  sub-directories of 1Mb or more:
    libs  12.4Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  9.8Mb
  sub-directories of 1Mb or more:
    libs   9.7Mb

Version History

new 0.0.7 Mar 10, 2026
updated 0.0.7 ← 0.0.6 diff Apr 14, 2025
new 0.0.6 Nov 5, 2024