SourceOpenAI announced price reductions of 80% for GPT-5.6 Luna and 20% for GPT-5.6 Terra, while introducing Fast mode in the API for GPT-5.6 Sol delivering up to 2.5x faster speeds.
- GPT-5.6 Luna price reduced by 80% to $0.20 per million input tokens and $1.20 per million output tokens.
- GPT-5.6 Terra price reduced by 20% to $2 per million input tokens and $12 per million output tokens.
- Introduced Fast mode for GPT-5.6 Sol replacing Priority Processing with up to 2.5x faster speed at 2x standard price.
- Customers including Replit, Notion, Ramp, Blitzy, Cognition, and Dust reported speed and efficiency gains with GPT-5.6 Luna and Terra.