Release announced
Released on Sep 29, 2026
OpenAI announced this model on 2026-09-29.
- Hosting route
- First-party API
- Affected scope
- Not stated in the notice
- Announced
- Sep 29, 2026
- First seen by ModelClock
- Oct 3, 2026
What the provider published
developers.openai.com ↗Released GPT-6.1 Sol (
gpt-6.1-sol) for complex coding and professional work at a lower cost than GPT-6 Astra.
Read from the provider's text; the quote is the provider's exact lines.