Inside the fight over Claude Mythos 5
…its latest model release. At 5:21PM on Friday, the company received a US export control directive to suspend access to its Mythos 5 and Fable 5 AI models by “any foreign…
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Top stories
Trump signs scaled-back AI cybersecurity order - Engadget
…arbitrary power over whether, when and how models are released, particularly when they could use security as a pretense to block or handicap a model for political or ideological reasons that aren…
Anthropic says these topics are too dangerous to let its Fable 5 model talk about
Anthropic Tuesday publicly released Claude Fable 5 , its first “Mythos-class” model that it says surpasses its previous frontier Opus models in overall capabilities. But the model’s launch today comes with…
Claude's 'too dangerous' AI model is finally public. But there's a catch
…releasing Claude Mythos 5, based on the same underlying model as Fable 5 but with safeguards lifted in some areas, for a "small group of cyberdefenders and infrastructure providers." Anthropic has released…
Discussions and forums
Show HN: RunAPI – one API for AI video, image, music, audio, and LLMs
After building a few SaaS apps, I found that connecting many AI model APIs at the same time gets messy very quickly.So I built RunAPI, which lets you call image, video, music/audio, and LLM models with one API key, and I…
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Claude Code vs. Codex
I have been a long time user of Claude Code. I never felt the need to try other coding tools, and the times I did, I always came back. Across many projects, personal and professional, Claude has been my pair programmer. …
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Show HN: Caliper – pass@k reliability testing for Claude Code and Codex skills
Skills for Claude Code and Codex are hard to test. What I mean by hard is that there's no standard way to do it. You evaluate the skill once on something, it looks like it works. You publish it. Then the new super model …
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Show HN: OpenSOP, We got tired of agents lying to us, so we built them a harness
OpenSOP is an early open-source runtime/standard for executable agentic processes.You (or your agent) define a process in YAML, and OpenSOP exposes it as a typed REST API that agents and humans can both use.We built it b…
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Thoughts on Claude Code 2.1.139 Agent View and Background Sessions
Spent half a day trying Claude Code 2.1.139’s new Agent View and background sessions — useful, but still has quite a few rough edges.The first item in the 2.1.139 changelog released on 2026-05-11 was Added agent view (Re…
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SandboxAQ brings its drug discovery models to Claude — no PhD in computing required | TechCrunch
…LQMs are AI models engineered for the quantitative economy, a $50+ trillion sector spanning biopharma, financial services, energy, and advanced materials,” the company said in a news release that strongly suggests Sandbox…
Anthropic's own $13 billion investor helped get the White House to ban the world's most powerful AI model
…Anthropic released Fable 5 and Claude Mythos 5 on Tuesday, which are the company's first " Mythos-class " models, seemingly classified as bleeding-edge AI. These Mythos-class models are straight-jacketed…
Anthropic says Alibaba must be punished for largest Claude cloning attack
Anthropic has accused the Chinese firm Alibaba of launching the largest attack yet attempting to clone Claude, as China races to match the capabilities of Anthropic’s leading model following Mythos’ release…
How People in China Keep Outsmarting Anthropic’s Geolocation Restrictions
In early June, Anthropic publicly released Fable 5, a safeguarded version of its most powerful AI model to date, Mythos. Chinese social media immediately lit up with posts from people sharing their…
Claude AI: What's free in 2026 and what isn't? - Engadget
…As far as free offerings go, Anthropic's Sonnet models have consistently been among the best I've tested, and the new 4.6 release is no different. Plus, it's the…
Claude Opus 4.7 was just released last month, and 4.8 is already here with some massive improvements
…Just over a month ago, I took to the stand to report that Anthropic had just released Opus 4.7 to the public , and that the new model posted some impressive improvements…