Making Claude a chemist
…For this white paper, we tested how Claude fared against the dedicated NMR software chemists rely on today. We measured three Claude models (Opus 4.7, Opus 4.6, Sonnet 4.6…
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People also ask
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
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Top stories
Claude AI Reviewed An MRI And Challenged A Doctor's Diagnosis, Can It Be Trusted?
21h agoClaude Code's usage breakdown showed me which of my own habits were burning my limits
6d agoCan Claude unlock hidden powers by pretending to be Fable 5? I tried it
1w agoI recreated Fable 5 with Opus and agent loops, and it's close enough that I stopped missing the banned model
1w agoMicrosoft Azure CTO says Claude found vulns in Apple II code
…When Anthropic introduced Claude Opus 4.6, the company warned about the problem of AI quickly finding vulnerabilities that could be exploited by hackers. "When we pointed Opus 4.6 at some…
Tweaker instrueert Claude Code om Lightroom CC te laten werken onder Linux
…Tweaker Starfight gaf de prompt en de AI-dienst op basis van Claude Opus 4.7 ging debuggen totdat het werkte. Hij zette het hele proces online.
An update on our election safeguards
…We assess how well Claude complies with the legitimate requests and declines the harmful ones. Claude Opus 4.7 and Claude Sonnet 4.6 responded appropriately 100% and 99.8% of the…
Discussions and forums
Claude Opus 4.8: 4 Features That Change Our Daily Work with Claude
Claude Opus 4.8: 4 Features That Change Our Daily Work with Claude
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Claude Opus 4.8
Claude Opus 4.8
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Claude Opus 4.8 coming today?
Claude Opus 4.8 coming today?
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Elevated errors for Claude Opus 4.8
Elevated errors for Claude Opus 4.8
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Claude Opus 4.8 system prompt leaked
Claude Opus 4.8 system prompt leaked
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Claude Fable 5 caught bugs GPT-5.5 and Opus 4.8 missed, then the US government forced it offline
…I had used it on real code, and it caught problems that GPT-5.5 and Claude Opus 4.8 both missed. Now the story is different. Fable 5 isn't just…
Anthropic's Claude Fable 5 Is the Dr. Jekyll to Mythos' Mr. Hyde
…Fable 5 sits above Claude Opus 4.8 in Anthropic's model lineup and is now the most capable model available to regular users. Early benchmarks indicate that Fable 5 outperforms Opus…
Anthropic releases Claude Fable, a version of Mythos, days after warning AI is becoming too dangerous
…In high-risk areas like cybersecurity, biology, chemistry, and distillation , the model blocks responses and falls back to Claude Opus 4.8. Launched as a preview in April, Mythos was initially limited…
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 Fable 5 and Claude Mythos 5
…Claude Fable 5 beats Opus 4.8 on our everyday spreadsheet suite at every effort level — and it does it with fewer turns, finishing runs 25–30% faster. 01 / 14 Claude Fable…
How people ask Claude for personal guidance
…We describe how this research shaped the training of our newest models, Claude Opus 4.7 and Claude Mythos Preview. Our goal in doing this research is to improve how our models…