OpenAI just dropped API pricing across the GPT-5.6 lineup, slashing Luna by 80% down to $0.20 per million input tokens and Terra by 20%, alongside a new 2.5x faster Fast mode for Sol. The massive price drop makes multi-step agentic workflows and high-volume data processing drastically cheaper to run at enterprise scale.
OpenAI just launched the GPT-5.6 family for general availability, featuring flagship Sol, balanced Terra, and low-cost Luna. Sol hits a state-of-the-art 53.6 on Agents' Last Exam, outpacing Claude Fable 5 by 13.1 points while cutting costs. It also introduces an "ultra" mode running four parallel agents to crush heavy workloads faster.
OpenAI just announced that three new GPT-5.6 model variants — Sol, Terra, and Luna — are officially launching publicly this Thursday. The company is already expanding preview access globally ahead of the rollout. While OpenAI hasn't shared specific specs for each variant yet, dropping all three at once signals a major push for the GPT-5.6 family.
OpenAI just launched a limited preview of its new GPT-5.6 model family, led by the flagship Sol alongside Terra and Luna. Sol introduces an ultra multi-agent mode and deeper reasoning to tackle complex coding, biology, and cybersecurity workflows. At the U.S. government's request, rollout starts with a select group of trusted partners before expanding broadly.
