CancelledOpenAI
GPT-6.1 Astra
Planned GPT-6 frontier successor cancelled following internal safety reviews regarding unconstrained autonomous agent actions.
Date to be announced✓ Sourced
OpenAI
GPT
Track upcoming frontier models and architecture milestones across the flagship GPT series developed by OpenAI.
Official website OpenAIThe GPT Product Family
The Generative Pre-trained Transformer (GPT) series represents OpenAI’s flagship general-purpose and multimodal language model architecture.
Model Evolution and Frontiers
Upcoming iterations emphasize deeper automated reasoning, cost-efficient inference variants, and autonomous computer interaction capabilities.
Responsible Release Tracking
Each GPT release in this observatory links directly to primary documentation, ensuring unconfirmed successors are never presented as committed schedules.
Next on the horizon · this page
There are no upcoming releases on this page of the catalog.
Documented releases
CancelledTimeline · this page
GPT-6.1 Astra — Astra variant cancelled in favor of cost-efficient Sol model.