I spent hours testing Claude Opus 4.8 — these are the 5 biggest upgrades
Claude's Opus 4.8 is officially here, and it's a pretty notable update. Here are 5 things it does better than the old Opus 4.7 model.
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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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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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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 Archives - 9to5Mac
…Expand Expanding Close Anthropic launches Claude Design following Opus 4.7 model upgrade Zac Hall Apr 17 2026 - 8:20 am PT After two previous design-related updates this week, Anthropic is…
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…
Anthropic is doubling Claude Code's hourly rate limits, removing peak hours, and working with SpaceX for some reason
…Then we heard of Anthropic potentially dropping Opus from its Claude Code Pro service , which turned out to be an old piece of documentation that never got updated. Now, those with a…
Anthropic "pauses" token-based billing for its Claude Agent SDK
…One analysis suggests that Claude Opus users start saving money from their subscription after just two to three messages per day, and that their subscription could be worth many multiples of its…
Eval awareness in Claude Opus 4.6’s BrowseComp performance
…We have updated the model cards for both Claude Opus 4.6 and Claude Sonnet 4.6. For the Opus 4.6 multi-agent configuration described in this report, the run we…
Anthropic eyes going public as it files official submission to SEC
…A recent update brought Claude Opus 4.8 to the table with significant improvements and features. Even among some setbacks like the recent internal leak that ended in the distribution of Claude…