OpenAI
(San Francisco, CA)
Pioneered the AGI era with GPT-6 Astra, the GPT-6 Sol/Luna efficiency tiers and near-flagship GPT-6.1 Sol, and the Astra critical-capability cybersecurity model.
What is the latest AI model from OpenAI?
OpenAI's primary flagship model is GPT-6.1 Sol (Undisclosed (OpenAI), 1,050,000 tokens context). Released Sept 29, 2026; upgrade to GPT-6 Sol with near-Astra coding and computer use at one-fifth of Astra's price ($2/$10). How we define “latest”
Release Timeline
NEWEST FIRSTSeptember 2026[4 releases]
Released Sept 29, 2026; upgrade to GPT-6 Sol with near-Astra coding and computer use at one-fifth of Astra's price ($2/$10).
Released Sept 22, 2026; high-volume tier at $0.10/$0.50 - half the 5.6 Luna price - matching GPT-5.6 Sol on factuality at ~1% of the cost.
Launched Sept 8, 2026; OpenAI's image model with sharper detail, precision editing and 50% lower latency. API twins Flare (default) and Sunburst (precision).
Rolled out Sept 4, 2026; OpenAI's most capable model for autonomous agentic workflows and software engineering. Hit 97.6% on FrontierMath Tier 4 and met the 'Critical' cybersecurity threshold.