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npm · #1698 most downloaded on npm
The official TypeScript library for the OpenAI API
Last release today
04 Oct 2026
Ships on a steady schedule
a new release about every 2 weeks
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
398 releases · first in 2020
One column per quarter.
api: add new gpt-4o-mini models
examples: update example values
ci: also run workflows for PRs targeting next
vectorStores: correctly handle missing files in uploadAndPoll()
examples: removedduplicated 'messageDelta' streaming event.
## 4.52.3 (2024-07-02) Full Changelog: v4.52.2...v4.52.3 ### Chores * minor change to tests
## 4.52.2 (2024-06-28) Full Changelog: v4.52.1...v4.52.2 ### Chores * gitignore test server logs
doc: clarify service tier default value
api: add service tier argument for chat completions
## 4.51.0 (2024-06-12) Full Changelog: v4.50.0...v4.51.0 ### Features * api: updates
support application/octet-stream request bodies
remove erroneous thread create argument
## 4.49.0 (2024-06-06) Full Changelog: v4.48.3...v4.49.0 ### Features * api: updates
internal: minor refactor of tests
internal: minor change to tests
## 4.48.1 (2024-06-04) Full Changelog: v4.48.0...v4.48.1 ### Bug Fixes * resolve typescript issue
azure: update example and readme to use Entra ID
## 4.47.2 (2024-05-28) Full Changelog: v4.47.1...v4.47.2 ### Documentation * readme: add bundle size badge
internal: add slightly better logging to scripts
## 4.47.0 (2024-05-14) Full Changelog: v4.46.1...v4.47.0 ### Features * api: add incomplete state
change import paths to be relative
## 4.46.0 (2024-05-13) Full Changelog: v4.45.0...v4.46.0 ### Features * api: add gpt-4o model
dependency: bumped Next.js version
## 4.44.0 (2024-05-09) Full Changelog: v4.43.0...v4.44.0 ### Features * api: add message image content
## 4.43.0 (2024-05-08) Full Changelog: v4.42.0...v4.43.0 ### Features * api: adding file purposes
api: add usage metadata when streaming
## 4.41.1 (2024-05-06) Full Changelog: v4.41.0...v4.41.1 ### Bug Fixes * azure: update build script
## 4.41.0 (2024-05-05) Full Changelog: v4.40.2...v4.41.0 ### Features * client: add Azure client
package: revert recent client file change
internal: move client class to separate file
## 4.40.0 (2024-05-01) Full Changelog: v4.39.1...v4.40.0 ### Features * api: delete messages
internal: add link to openapi spec
internal: add scripts/test and scripts/mock
internal: use actions/checkout@v4 for codeflow
api: change timestamps to unix integers
internal: use @swc/jest for running tests
api: correct types for message attachment tools
api: correct types for attachments
## 4.38.0 (2024-04-18) Full Changelog: v4.37.1...v4.38.0 ### Features * api: batch list endpoint
api: docs and response_format response property
## 4.37.0 (2024-04-17) Full Changelog: v4.36.0...v4.37.0 ### Features * api: add vector stores
client: add header OpenAI-Project
errors: add request_id property
## 4.34.0 (2024-04-15) Full Changelog: v4.33.1...v4.34.0 ### Features * api: add batch API (#768) (7fe34f2) * api: updates
internal: improve ecosystem tests
api: add additional messages when creating thread run
tests: update wrangler to v3.19.0 (CVE-2023-7080)
## 4.32.1 (2024-04-02) Full Changelog: v4.32.0...v4.32.1 ### Chores * deps: bump yarn to v1.22.22
api: add support for filtering messages by run_id
api: adding temperature parameter
client: correctly send deno version header
Full Changelog: v4.29.2...v4.30.0
internal: update generated pragma comment
## 4.29.1 (2024-03-15) Full Changelog: v4.29.0...v4.29.1 ### Documentation * readme: assistant streaming
assistants: add support for streaming
use @deprecated decorator for deprecated params
Full Changelog: v4.28.4...v4.28.5
api: add wav and pcm to response_format
Full Changelog: v4.28.3...v4.28.4
## 4.28.0 (2024-02-13) Full Changelog: v4.27.1...v4.28.0 ### Features * api: updates
## 4.27.1 (2024-02-12) Full Changelog: v4.27.0...v4.27.1
Full Changelog: v4.27.0...v4.27.1
api: add timestamp_granularities, add gpt-3.5-turbo-0125 model
internal: enable building when git installed
Full Changelog: v4.26.0...v4.26.1
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