AI Development

OpenAI launches GPT-6 Sol and Luna as lower-cost models

September 22, 2026 · High importance · model

OpenAI released GPT-6 Sol and GPT-6 Luna, positioned as more efficient models carrying core capabilities of higher-tier systems at approximately 50% lower API pricing than prior promotional rates. Sol targets complex tasks including coding while Luna focuses on high-volume workloads, reflecting competitive pressure for lower-cost enterprise AI access.

Date
September 22, 2026
Importance
High 4/5
Category
model
Axis of Change
Cost Reduction
Organizations
OpenAI
Models Affected
GPT-6 Sol GPT-6 Luna
  1. 01 openai.com
  2. 02 livemint.com
  3. 03 business-standard.com