3.4.0

3.4.0 (2025-11-07)

Features

• add function calling token counting (#83) (7f880f4)

3.3.0

3.3.0 (2025-11-07)

Features

• correct split regexp for o200 and add harmony format support (59422fd), closes #82 #78

3.2.0

3.2.0 (2025-10-09)

Features

• support encode options in isWithinTokenLimit (#80) (dcc8783)

3.1.0

3.1.0 (2025-10-09)

Bug Fixes

• codegen: guard BPE generation against empty output (c46019a)
• place generated headers after lint directives (70bed74)

Features

• add new models (gpt-5*) and update pricing data (135a851)

3.0.1

3.0.1 (2025-06-13)

Bug Fixes

• add o3-pro and update pricing (52a3b3c)

3.0.0

3.0.0 (2025-06-07)

Features

• add new models and ability to estimate cost (#72) (1d1d76d), closes #71 #70

BREAKING CHANGES

• changes the default encoding to o200k_base as that is what most modern models use now

2.9.0

2.9.0 (2025-03-05)

Features

• add new models and update pricing (e2506c2)
• implement 'estimateCost' (4124587)

2.8.1

2.8.1 (2024-12-09)

Bug Fixes

• add 'clearMergeCache' (4f64377)

2.8.0

2.8.0 (2024-12-09)

Features

• add a LRU BPE merge cache (15d13b1), closes #68

Performance Improvements

• optimize token counting (c3e533c)

2.7.0

2.7.0 (2024-11-28)

Features

• implement 'countTokens' function (2d4146a), closes #67