GPT-5.6 Preview System Card
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 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 released GPT-5.6 Sol, its strongest cyber model yet, which is competitive with Anthropic's Claude Mythos Preview on ExploitBench while using one-third of the output tokens. The launch marks a s…
Recent government actions against Anthropic and OpenAI highlight the risks of relying on third-party APIs for software functionality. A developer argues that dependence on external infrastructure amou…
OpenAI launched GPT-5.6 Sol, Terra, and Luna as a restricted preview limited to trusted partners at the request of the U.S. government, marking a shift toward government-mediated frontier AI releases.…
OpenAI has delayed the public release of its GPT-5.6 AI model after the U.S. government requested a security review, marking increased regulatory oversight on advanced AI. The model will now be availa…
Anthropic is working to restore access to its Claude Fable 5 and Claude Mythos 5 AI models after a U.S. government export control directive suspended access on June 12, 2026, over national security co…
METR said Friday that OpenAI provided unusually deep pre-deployment access to GPT-5.6 Sol, but the evaluator could not produce a robust measurement of the model's long-horizon capability because the m…
OpenAI released GPT-5.6 Sol, Terra and Luna on June 26, placing the frontier model family into a limited preview after a U.S. government request. The controlled launch gives government visibility and …
OpenAI is releasing GPT-5.6, a new generation of models comprising three tiers—Sol, Terra, and Luna—in a limited preview due to coordination with the U.S. government. The models introduce new reasonin…
OpenAI announced a limited preview of the GPT-5.6 series, including flagship model Sol, balanced model Terra, and fast/affordable model Luna. Terra matches GPT-5.5 performance at half the cost, while …
OpenAI delayed the public launch of GPT-5.6 at the U.S. government's request, limiting initial access to vetted partners shared with authorities. The move reflects Washington's concerns over national …
The U.S. government is tightening control over AI model releases, with OpenAI's GPT 5.6 facing limited preview approval similar to Anthropic's banned models. This regulatory uncertainty threatens the …
OpenAI's GPT-5.6 rollout now requires U.S. government approval on a customer-by-customer basis, following a request from the government. CEO Sam Altman stated this is not a preferred long-term model, …
The U.S. government imposed export controls on Anthropic's Fable 5 and Mythos AI models, the first such controls on an AI model, citing a narrow jailbreak vulnerability also present in competing model…
Legal tech firm Fable sued the U.S. government over an order restricting foreign access to its AI-powered legal research platform, arguing the rule violates constitutional protections and unfairly tar…
AI startup Legion is suing the U.S. government after Anthropic removed its Claude Fable 5 model from public access, complying with an export control directive. Legion claims the loss of the model caus…
A working draft proposes a privacy-preserving AI compute verification system for arms-control-like agreements between rival nations, using network taps and cryptographic commitments to capture evidenc…
Anthropic suspended access to its Claude Fable 5 and Mythos 5 models on June 12, 2026, after a U.S. government export-control directive, highlighting how AI dependency threatens both national sovereig…
A security researcher known as Bobdahacker discovered a critical authentication flaw in FIFA World Cup systems, allowing unauthorized access and content injection. Google Chrome's Manifest V3 update w…
Anthropic has been unable to lift a U.S. government ban on its AI program Fable, which was blocked last week over national security concerns. The company argues the AI helps find software vulnerabilit…