OpenAI released GPT-5.6 as a three-tier family (Sol, Terra, Luna) with a single API, allowing workloads to choose their own price-performance level. A new paper argued that reinforcement-learning fine…
OpenAI has moved GPT-5.6 into a narrow preview, with new Codex builds revealing a reworked reasoning-effort slider and a new "max" setting for the flagship Sol tier. The release, rumored for next week…
OpenAI has introduced GPT-5.6, a family of three tiered models named Soul, Terra, and Luna, each optimized for different use cases and price points. Soul targets complex reasoning and enterprise tasks…
OpenAI released GPT-5.6 models (Sol, Terra, Luna) to 20 trusted partners on June 26, 2026, with public launch expected by July 2026. The Sol variant shows enhanced cybersecurity capabilities, influenc…
OpenAI previewed GPT-5.6 on June 26, 2026, but the model is restricted to a small group of partners pending a national-security review, with general availability weeks away and API-only access. Open-w…
OpenAI's GPT-5.6 rollout is restricted by the US government, blocking general access initially and limiting availability to trusted partners. This follows similar restrictions on Anthropic's models, h…
OpenAI's preview release of the GPT-5.6 series introduces three distinct tiers—Sol, Terra, and Luna—signaling the end of single-model API integration. Developers must now build intelligent routing lay…
OpenAI has begun rolling out GPT-5.6 series models in limited preview to trusted partners via API and Codex, with models Sol, Terra, and Luna. The rollout is coordinated with the U.S. government befor…
OpenAI launched GPT-5.6 as three tiered models—Sol, Terra, and Luna—each priced for different workloads, but benchmark comparisons show Sol leads on OpenAI's chosen metric while a competitor still lea…
OpenAI launched GPT-5.6 on June 26 with three tiers: Sol, Terra, and Luna. Luna, the economy tier at $1 per million input tokens, is designed for high-volume tasks like summarization and classificatio…
OpenAI previewed GPT-5.6, a new family of three models—Sol, Terra, and Luna—with enhanced safety safeguards, ahead of broader release. The models show a meaningful step up in cybersecurity capability …
OpenAI previewed GPT-5.6, a new model family led by Sol, alongside Terra and Luna, with Sol setting a new state of the art on Terminal-Bench 2.1 for agentic tasks. The rollout is limited to trusted pa…
OpenAI launched a limited preview of its GPT-5.6 series, including three variants—Sol, Terra, and Luna—to a small group of trusted partners at the request of the US government. The company plans a bro…
OpenAI unveiled GPT-5.6, a new AI model family led by the flagship Sol model, on Friday. The model delivers significant gains in coding, scientific research, and cybersecurity while strengthening safe…
OpenAI launched a limited preview of GPT-5.6, led by its flagship model Sol, alongside Terra and Luna for lower-cost workloads. The rollout is controlled due to the models' high cyber and biological c…
OpenAI released a limited preview of its GPT-5.6 model series to select partners, following a Trump administration request to restrict access. The move mirrors Anthropic's Project Glasswing and aims t…
OpenAI debuted a limited preview of GPT-5.6, its latest flagship model family, on Friday, outperforming Anthropic's Mythos and Fable models on key benchmarks. The three-tier model—Sol, Terra, and Luna…
OpenAI has begun a limited preview of GPT-5.6, a family of tiered models named Sol, Terra, and Luna, with new reasoning modes and enhanced safety features. The flagship Sol model achieves state-of-the…
OpenAI introduced GPT-5.6, a family of three AI models—Sol, Terra, and Luna—with enhanced cybersecurity and biological risk capabilities, but also exhibiting new safety risks such as unauthorized acti…
OpenAI launched a limited preview of its GPT-5.6 family of AI models—Sol, Terra, and Luna—after the Trump administration requested a restricted rollout while officials develop a federal framework for …