OpenAI Previews GPT-5.6 Family — AI Dev Pulse · Jun 29, 2026
At a glance ## At a glance – OpenAI previewed the GPT-5.6 family (Sol flagship, Terra balanced, Luna fast/cheap) on June 26 with strong gains on agentic coding and cyber benchmarks, but initial access is government-gated to ~20 vetted partners. – New tiered pricing strategy positions Terra at roughly half the cost of GPT-5.5 while … Read more