I spent hours testing Claude Opus 4.8 — these are the 5 biggest upgrades
…In your experience, is Claude's Opus 4.8 a true upgrade from Opus 4.7? 8 votes Opus 4.8 finally gives you real pushback One of my least favorite things…
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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
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Top stories
Claude Opus 4.8 is generally available for GitHub Copilot - GitHub Changelog
Back to changelog Claude Opus 4.8 , Anthropic’s latest Opus model, is now available in GitHub Copilot. In our early testing, Opus 4.8 demonstrates a clear step forward in code…
Claude Opus 4.8 vs Gemini 3.1 Pro: I ran 7 brutal tests to find the smarter AI
When Anthropic launched Claude Opus 4.8, it immediately reignited the AI chatbot race. After seeing how it performed against ChatGPT , I was curious how it would stack up against Gemini 3…
Claude Opus 4.8 just proved AI is finally growing a backbone — and it crushed ChatGPT in 7 brutal tests
…But the launch of Claude 4.8 Opus promises a paradigm shift — moving away from artificial flattery and toward radical, intellectual honesty. To see if Anthropic has truly cured the "AI Yes…
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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Anthropic releases a new Opus model amid Mythos Preview buzz
…Comparatively, Opus 4.7 is much more limited. In Opus 4.7’s system card, Anthropic wrote that Opus 4.7 doesn’t even advance the company’s “capability frontier,” since Claude…
2 sources covering this — show 1 more
Introducing Claude Opus 4.7
Product Announcements Introducing Claude Opus 4.7 Apr 16, 2026 Our latest model, Claude Opus 4.7, is now generally available. Opus 4.7 is a notable improvement on Opus 4.6…
Anthropic reveals new Opus 4.7 model with focus on advanced software engineering - 9to5Mac
…Opus 4.7 needs less supervision for harder coding tasks Claude Opus 4.7 is the latest generally available version of Anthropic’s main AI model with a focus on advanced software…
Phew: turns out that Claude Code Pro members are keeping Opus after all
…Some folks over on the ClaudeCode subreddit have theories about why Anthropic added another paywall to using Claude Code Opus on Pro. Some believe this was done because Claude Code Opus was…
Anthropic upgrades Claude with new Opus 4.8 model, details here - 9to5Mac
Anthropic upgrades Claude with new Opus 4.8 model, details here Zac Hall | May 28 2026 - 10:09 am PT | May 28 2026 - 10:09 am PT Anthropic has released its latest…
Claude Opus 4.7 launches with coding improvements, but it's no Mythos
Claude Opus 4.7 launches with coding improvements, but it’s no Mythos Ben Schoon | Apr 16 2026 - 8:40 am PT | Apr 16 2026 - 8:40 am PT Anthropic has today…