Claude Opus 4.8: Capabilities and Reactions — LessWrong
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Claude Opus 4.8
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Anthropic Releases Claude Opus 4.8 With Effort Controls and Dynamic Workflows for Claude Code
Anthropic has released Claude Opus 4.8, adding effort controls, dynamic workflows in Claude Code, and live message API updates while maintaining Opus 4.7 pricin...
🚀How to Get the Most Out of Claude Opus 4.8
Learn how to get the best results from Claude Opus 4.8 with expert prompting techniques, advanced workflows, reasoning strategies, coding tips, and productivity...
Claude Opus 4.8: The System Card — LessWrong
Only six weeks after Opus 4.7, we have Opus 4.8. …
Claude Opus 4.8 vs ChatGPT 5.5 : a Stepping Stone to Anthropic’s Mythos Series
Discover how Claude Opus 4.8 performs in real-world tests, including coding benchmarks, effort control features, and comparisons to GPT-5.5.
Claude Opus 4.8 is more honest, less deceptive, and considerably cheaper
Anthropic has released Claude Opus 4.8 with improved performance. It's also adding a host of new features for Claude users.
Why Anthropic Released Claude Opus 4.8 Just 40 Days After Its Last Update
Claude Opus 4.8 addresses user feedback by bringing back the manual thinking budget and lowering costs for high-speed implementations.
Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers
Anthropic released Claude Opus 4.8 and outlined plans to make Mythos-class AI models available to all customers.
Claude Opus 4.8 Released With Advanced Engineering-Level Coding Capabilities
Anthropic has announced the release of Claude Opus 4.8, a major upgrade to its flagship AI model that introduces advanced engineering-level coding capabilities.
Anthropic to roll out Claude Mythos in coming weeks, launches Opus 4.8
Anthropic announces the launch of Claude Opus 4.8 and the upcoming release of its advanced AI model, Mythos.
Claude Opus 4.8 just proved AI is finally growing a backbone — and it crushed ChatGPT in 7 brutal tests
Claude 4.8 Opus is fighting back against AI sycophancy. See how Anthropic's new flagship model completely crushed ChatGPT-5.5 in 7 brutal ego-stroking stress te...
Claude Opus 4.8: “a modest but tangible improvement”
Anthropic shipped Claude Opus 4.8 today. My favourite thing about it is this note in the release announcement: Users will find Opus 4.8 to be a modest but tangi...
Anthropic launches Claude Opus 4.8, raises $65B in new funding
Anthropic launches Claude Opus 4.8, raises $65B in new funding - SiliconANGLE
Anthropic Debuts Claude Opus 4.8, Teases Upcoming Launch of ‘Mythos-Class Models’
The latest version of Claude specializes in catching its own mistakes and pointing them out to users.
Anthropic Launches Claude Opus 4.8 With Gains in Coding and Honesty
Anthropic today announced the launch of its latest AI model, Claude Opus 4.8. Anthropic claims the model is a "more effective collaborator" with improvements in...
Anthropic Releases Claude Opus 4.8, Surpasses Value of OpenAI
Anthropic logged two major milestones today: It released its latest AI model and it surpassed the financial value of OpenAI.
Claude Opus 4.8 launches today with agentic improvements, new features
Anthropic has today announced Claude Opus 4.8, the latest version of its AI model, with a focus on improving agentic...
Anthropic's Claude Opus 4.8 Is Here: Better AI Coding, Smarter Safety—Same Huge Price
Anthropic's latest flagship AI model Claude Opus 4.8 arrives with sharper reasoning, tighter alignment, and a price tag that hasn't budged.
Anthropic's Claude Opus 4.8 is four times more honest, Mythos next
Anthropic releases Claude Opus 4.8 with sharper judgement and fewer uncaught code flaws. Mythos-class models coming in weeks. Series H raises $65B at $965B valu...
Anthropic Claude 4.8
Anthropic has introduced Claude Opus 4.8. It builds on Opus 4.7 with improvements across benchmarks, and is a more effective collaborator. It’s available
Claude Opus 4.8 is now available on AWS
This post covers Opus 4.8's improvements and practical guidance for AI engineers integrating the model into agentic systems and production inference workloads o...
Claude’s new model is more ‘honest’ when it messes up
Anthropic is releasing Claude Opus 4.8 on Thursday, and the company is highlighting its “honesty” when doing work as one of the key upgrades of the AI model.
Claude Opus 4.8 is now available on AWS
Discover more about what's new at AWS with Claude Opus 4.8 is now available on AWS