The Two Best AI Models/Enemies Just Got Released Simultaneously
Fable 5 vs GPT 5.6 Sol: The Early Results
Claude Mythos: Highlights from 244-page Release
New Claude Opus 4.8: 15 Things You May’ve Missed
Anthropic's Horrible New Restrictions
Anthropic begged the world to stop AI… then shipped this
Claude Opus 4.7 - A New Frontier, in Performance … and Drama
Claude Fable 5 - Full 319 page Breakdown
… Those users will be able to upgrade to Mythos 5, Anthropic said, adding that it plans to “expand access over time through a more systematic trusted-access program.” Anthropic did not respond on the record to The Verge’s request for comment explaining how either model relates to Claude Mythos Previe… …
… In Opus 4.7’s system card, Anthropic wrote that Opus 4.7 doesn’t even advance the company’s “capability frontier,” since Claude Mythos Preview received higher results “on every relevant evaluation.” For security reasons, Anthropic is only currently making Mythos Preview available privately to selec… …
… These requests will instead be rerouted to an older AI model, Claude Opus 4.8. If Anthropic suspects a user is trying to conduct distillation—training a smaller AI model off a larger AI model’s responses—on Claude Fable 5, those requests will also be rerouted to Claude Opus 4.8, the company says. …
… While the earlier version would have allowed AI companies to voluntarily share their models 14 to 90 days before release, according to The New York Times, the current version asks companies to share their models up to 30 days before public release. …
Anthropic tests every model before it releases them. Opus 4.8 might be worse uncertain benchmarks compared to 4.7, and there probably are some genuine gripes with the model, but the amount of “Opus 4.8 is all around wors…
Anthropic to release Mythos-class models to the public
Anthropic to release Mythos-class models to the public
US Government allows Anthropic limited release of Mythos/Fable models
US releases powerful Anthropic model Mythos to some US companies
… Section three states that nothing in it authorizes mandatory government licensing, pre-clearance, or permitting for new models, including frontier models. …
OpenAI’s release of its newest model, GPT 5.6, reportedly won’t be like its previous releases. …
… That interval has also seen significant new releases for OpenAI’s Codex and Google’s Gemini Flash model , increasing the pressure on Anthropic to keep pace. …
… Article continues below The new approach sounds a lot like the UK's AI Security Institute model, where government bodies evaluate frontier models against safety benchmarks before and after deployment. …
… Like Glasswing, Daybreak isn’t built on just one AI model — OpenAI says “Daybreak brings together the most capable OpenAI models, Codex, and our security partners.” Daybreak also involves specialized cyber models, including GPT-5.5 with Trusted Access for Cyber and GPT-5.5-Cyber, which began rollin… …
… It goes something like this: big tech announces its latest model, opens access to developers or subscribers and gradually expands availability as demand grows. But that is about to change. OpenAI 's latest model ChatGPT-5.6 was rumored to roll out yesterday, June 25, 2026. …