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…
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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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I recreated Fable 5 with Opus and agent loops, and it's close enough that I stopped missing the banned model
12h agoClaude Fable 5 caught bugs GPT-5.5 and Opus 4.8 missed, then the US government forced it offline
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 agoClaude 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…
Paper page - WildClawBench: A Benchmark for Real-World, Long-Horizon Agent Evaluation
…Across 19 frontier models, the best, Claude Opus 4.7, reaches only 62.2% overall under OpenClaw, while every other model stays below 60%, and switching harness alone shifts a single model…
Cursor’s AI agent wipes PocketOS database – Fudzilla.com
…Anthropic released Claude Opus 4.7 on 16 April, about a week before the incident, and it did not immediately respond to a request for comment. Crane wrote on X that Cursor…
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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Mozilla Says Claude Mythos Helped Find 271 Firefox Bugs
…Mozilla caught this slate of vulnerabilities by having Claude Mythos scan Firefox's codebase ahead of Tuesday's Firefox 150 release , spotting flaws that human reviewers had not yet reported. Engineers then…
Musk's SpaceX has rented out access to its supercomputer's 220,000 Nvidia GPUs and 300 megawatts of AI compute power to rival Anthropic — Musk says “No one set off my evil detector,” Anthropic also interested in orbital data centers
Anthropic announced in a press release on Wednesday that it has signed a deal with Elon Musk’s SpaceX to use the company's massive Colossus 1 data center. According to a…
Cloud Fable 5 on Google Cloud | Google Cloud Blog
…For more information about this release, visit Anthropic’s blog . Build with Claude Fable 5 and other models from Anthropic — including Claude Opus 4.8 and Claude Sonnet 4.6 — today on…
Local models now handle 90% of what I used Claude Pro for, but the other 10% is worth paying for
…Where Claude still earns the $20 Areas where local doesn't even enter the conversation For genuinely hard reasoning work, Opus 4.7 is still in a tier of its own . Released…
Paper page - Harness Updating Is Not Harness Benefit: Disentangling Evolution Capabilities in Self-Evolving LLM Agents
…models from different capability tiers produce harness updates that lead to surprisingly similar gains; even Qwen3.5-9B's updates yield gains comparable to those of Claude Opus~4.6. Second, harness…
Anthropic says ‘evil’ portrayals of AI were responsible for Claude’s blackmail attempts | TechCrunch
…Last year, the company said that during pre-release tests involving a fictional company, Claude Opus 4 would often try to blackmail engineers to avoid being replaced by another system. Anthropic later…