Building The Imperfect Beast
…update, which is an assessment of how safe Mythos is and how it might cause harm through its actions, says this: “The difference in capabilities between Mythos Preview and Claude Opus 4…
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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
More videosTop stories
Anthropic: Claude quota drain not caused by cache tweaks
…Another factor is that the large one-million-token context window available on paid plans with the Claude Opus 4.6 or Sonnet 4.6 models increases costs, especially with cache misses…
Gemini 3.5 Flash lands on Google's Android coding rankings, but it's 3x the cost for slower performance
…Claude Mythos goes public in new Fable 5 model that’s ‘safe for general use’ Claude Opus 4.8 launches today with agentic improvements, new features Google sues cybercrime network that used…
I stopped forcing every coding job through Claude and started using this instead
…Sign in to your XDA account I like Claude Code, but I don't like its limitations. You're largely restricted to Anthropic's models like Claude Sonnet and Opus. They're…
Discussions and forums
Show HN: Rayline routes Claude Code subagents to on-device and cheaper models
Hi HN,I’m one of the builders of Rayline.Rayline is a Claude Code compatible LLM gateway. It intercepts and overrides claude code’s internal routing and lets you route subagent calls to different models instead. For exam…
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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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Show HN: adamsreview – better multi-agent PR reviews for Claude Code
I built adamsreview, a Claude Code plugin that runs deeper, multi-stage PR reviews using parallel sub-agents, validation passes, persistent JSON state, and optional ensemble review via Codex CLI and PR bot comments.On my…
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Show HN: 1-800-CODER, macOS app where you call an AI developer to edit your page
Sharing a small Mac app I built around OpenAI’s gpt-realtime-2 model. You call up a voice coding agent and talk to it like you’d talk to a freelancer ("make the hero tighter, put a product image on the right, that one's …
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I created a 126K line Android app with AI – the workflow that worked for me
I really wanted to see how far I can go. Can I create a meaningful and complex application, big enough, but without knowing the language.I have 18+ years of experience as software developer. But I have no experience with…
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Anthropic Mythos model can find and exploit 0-days
…Mythos is markedly different from Claude Opus 4.6, which Anthropic only recently said was not very skilled at developing working exploit code. Where Opus 4.6 managed an exploit development success…
Enforcing new limits and retiring Opus 4.6 Fast from Copilot Pro+ - GitHub Changelog
…As a first step, we’ll be retiring Opus 4.6 Fast for Copilot Pro+ users, beginning today. We recommend using Opus 4.6 as an alternative model with similar capabilities. Jun…
Anthropic Signs SpaceX Colossus 1 Data Center to Boost Capacity
…Anthropic Signs SpaceX Colossus 1 Data Center to Boost Capacity If you have been using Claude Opus over the past few weeks, you have likely noticed errors, rate limits, and many have…
Anthropic quietly nerfed Claude Code's 1-hour cache, and your token budget is paying the price
…To give you an idea of just how much cheaper it is, here are the costs for Anthropic's newly-released Claude Opus 4.7: Model Base Input Tokens 5m Cache Writes…
Claude Code Did The Heavy Lifting To Get Adobe Lightroom CC Running On Linux
…Claude Opus 4.7 working autonomously ended up doing much of the heavy lifting after being prompted " get Lightroom CC working on Linux, then publish a reproducible recipe ." Should you be interested…
Anthropic on MacRumors
…From the Claude blog: In Claude Cowork and Claude Code, you can now... Anthropic's Claude Can Now Create Interactive Visuals Directly in Conversations Anthropic's Claude chatbot has been updated with…