Introducing Sonnet 4.6
…They often even prefer it to our smartest model from November 2025, Claude Opus 4.5. Performance that would have previously required reaching for an Opus-class model—including on real-world…
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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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Introducing Claude Opus 4.6
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Anthropic just dropped Opus 4.8... (WOAH)
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Claude just got another superpower...
This model is kind of a disaster.
Did Claude really get dumber again?
You Are Being Told Contradictory Things About AI
Anthropic begged the world to stop AI… then shipped this
Top stories
4 Claude Code settings I change before letting it touch a project
…The clever option, and the one I use most often, is opusplan. Run /model opusplan and Claude Code will use Opus during plan mode (when you actually need the deep thinking) and…
Anthropic just released public Mythos-class AI model called Claude Fable, details here - 9to5Mac
…You can learn much more about Anthropic’s new Claude Fable 5 model here . Related Anthropic stories: Anthropic upgrades Claude with new Opus 4.8 model Anthropic expands Glasswing as it promises…
Anthropic Economic Index report: Learning curves
…Our sample covers February 5 to February 12, three months following the release of Claude Opus 4.5 and coincident with the release of Claude Opus 4.6. We first document how…
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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Amazon Doubles Down On Anthropic With $5 Billion Fresh Injection & 6GW Of Trainium Chip Capacity For Claude AI Models
…Coming back to its Claude Opus 4.7 models , Anthropic has stated that while the new AI model is not as capable as the Mythos preview, the new Opus model is being…
Anthropic rolls out its codebase-scanning security tool for businesses.
Claude Security uses the Opus 4.7 model to scan a business’s codebase for vulnerabilities and issue a fix. This tool is rolling out to enterprise customers globally and isn’t…
GitHub removes some models from free Copilot student plan
…A forum participant posting under the name Sahad Rushdi remarked : "For many of us working on advanced engineering projects, Claude 4.6 Sonnet and Opus are not just 'options' – they are currently…
Anthropic Offers Mythos Upgrade for Cyber Partners and a ‘Safe’ Version for the Rest of You
…These requests will instead be rerouted to an older AI model, Claude Opus 4.8. If Anthropic suspects a user is trying to conduct distillation—training a smaller AI model off a…
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…
Anthropic confirms Claude Mythos-class models will roll out to the public
…According to the company, the Mythos model shows major improvements in code reasoning and autonomy, far above Claude's current flagship model, Opus 4.8. It is also worth noting that the…