OpenAI
GPT APIs (ChatGPT Models)
See the latest tracked release, confirm when it was published, and subscribe for update emails.
Frontier models
Switch to this train
Image
Switch to this train
Realtime & audio
Switch to this train
Open-weight models
Switch to this train
Embedding models
Switch to this train
More models
Current train
ChatGPT models
Switch to this train
Current version
gpt-5.3-codex
- Release date
- June 15, 2026
- Security status
- Security tracking is not enabled for this product yet.
Source
Public release notes are linked for the latest stored release.
Release history
See the latest published releases stored for this product.
| Version | Published | Notes |
|---|---|---|
| gpt-5.3-codex | 2026-06-15 | Release Notes |
Vulnerability tracking
versionPing is not tracking CVEs for this product yet.