GPT-5.4 mini
Available · Language, Multimodal, Reasoning · Primary source available
- Lifecycle
- Milestone or variant
- Related model
- Source event
- AI Radar coverage
- Only month or year known
- 7 events
2025
2026
As of 10 October 2026
Released +2
Rolled out in ChatGPT
Predecessor GPT-5
Successor GPT-5.6 Luna +1
All events, in order
- Lineage Predecessor GPT-5
- Lifecycle Released
- Milestone GPT-5.4 nano released
- Source Announcement published
- Milestone Rolled out in ChatGPT
- Lineage Successor GPT-5.6 Luna
- Lineage Successor GPT-5.6 Terra
← The full record of GPT-5.4 mini, with every claim and its sources