Changes to GitHub Copilot Individual plans
…As we announced in our changelog , Opus 4.5 and Opus 4.6 will be removed from Pro+. These changes are necessary to ensure we can serve existing customers with a predictable…
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What’s next?
Users will find Opus 4.8 to be a modest but tangible improvement on its predecessor. There’s still more to be done: we’re working on developing and releasing models that provide many of the same capabilities as Opus at a lower cost. Not only that, but we plan to release a new class of model with even higher intelligence than Opus. As part of Project Glasswing, a small number of organizations are currently using Claude Mythos Preview for cybersecurity work. Models of this capability level require stronger cyber safeguards before they can be generally released. We’re making swift progress on dev
Introducing Claude Opus 4.8Videos
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Claude Fable 5 caught bugs GPT-5.5 and Opus 4.8 missed, then the US government forced it offline
1w agoAnthropic just released public Mythos-class AI model called Claude Fable, details here - 9to5Mac
1w agoAnthropic releases its first Mythos-class model Claude Fable
1w agoAnthropic releases Claude Fable, a version of Mythos, days after warning AI is becoming too dangerous
1w agoFable PS5 Delayed, Moved Away from GTA 6 for the 'Dedicated Moment It Deserves'
Fable , the highly anticipated Xbox RPG confirmed for PS5 , will not release in 2026 as previously planned . In a statement , publisher Microsoft said it’s moving the Playground developed release to February…
Measuring LLMs’ ability to develop exploits
…time-of-release, the performance of models prior to Opus 4.5 follows a log-linear trajectory, with a mean doubling time of 1.1 months. Our models since Opus 4.5…
GPT-5.5 dominates $1,500 LLM hacking test while Gemini refuses to even try
…Claude Sonnet 4.6 and Claude Opus 4.8 each solved 2 out of 10 runs, but Opus in particular got close multiple times before safety guardrails ended the session. At the…
Discussions and forums
Claude Code Degraded Before Opus 4.8 Release
Claude Code Degraded Before Opus 4.8 Release
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Opus 4.8 nerfed??
Is anyone else seeing a massive performance drop in Opus 4.8 since release?? It used to be acceptable, but the enshitification has definitely happened. It’s basically been lobotomized, and we’re talking amateur backyard …
Ask HN: Anyone else seeing serious degradation in DX with Opus 4.8?
As an anthropic fan boy(check my prev. comments), this is the first opus release where I feel like the model is just not pleasant to talk to not to mention untrustworthy.The two examples for me where I lost confidence in…
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The amount of whining in this sub after every Anthropic model release is unbearable
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…
Claude Fable is a myth, just like new iPhone releases
28 minutes of launch has already passed and for me, it is crystal clear, just branding. 10-15% better than Opus.We are slowing down in adoption and new features, Anthorpic is becoming Apple of Tim Cook and not from Steve…
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Anthropic's Claude Fable 5 Is the First Mythos-Level AI Model You Can Actually Use
…Those questions will instead be routed to another model, Opus 4.8. Anthropic said it is working "in consultation" with the US government over plans to release Claude Mythos 5. Mythos was…
OpenAI says its new GPT-5.5 model is more efficient and better at coding
…Anthropic recently released Claude Opus 4.7 and also announced Mythos Preview, a non-public model it says is uniquely advanced in cybersecurity. OpenAI quickly followed with GPT-5.4-Cyber, its…
5 Best MTG Secrets Of Strixhaven Prismari Cards
…Niall also has a rich history covering triple-A releases, sports games, and PC hardware. Sign in to your TheGamer account Secrets of Strixhaven has the Magic: The Gathering community buzzing with…
NYT Connections Hints Today (#1066)—Answers for Tuesday, May 12
…WEEKEND RANDO PAULO FRANCI JOHNS MONICA WORK WONK TOME SALVADOR DIVISION VOLUME DISTANCE OPUS REALM PETERSBURG And here are the hints I can offer for today’s NYT Connections: Yellow – Different works…
In a Busy Month for New PS5 Games, Don't Sleep on Mouse P.I. For Hire
It’s a particularly packed month for new PS5 releases in April, with Pragmata and Saros just two of the titles vying for your attention. But don’t sleep on Mouse P…
Claude Mythos goes public in new Fable 5 model that's 'safe for general use'
…tool use, and cybersecurity compared to the Mythos Preview, Opus 4.8, GPT 5.5, and Gemini 3.1 Pro. The release of Fable 5, though, will be a bit tricky. Anthropic…