GPT-6 Astra

GPT-6 Astra

GPT-6 Astra vs GPT-5.6 Sol: Should You Upgrade?

GPT-6 Astra launched 3 September 2026. Identical specs to GPT-5.6 Sol, a tie on the independent Artificial Analysis index, and 2.5x the price - a targeted upgrade for agentic coding and computer use, not a general one.