Claude Opus 4.6
…We included new evaluations for user wellbeing, more complex tests of the model’s ability to refuse potentially dangerous requests, and updated evaluations of the model’s ability to surreptitiously perform harmful…
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Videos
More videosUpcoming deprecation of Claude Sonnet 4 in GitHub Copilot - GitHub Changelog
…Model Deprecation date Suggested alternative Claude Sonnet 4 2026-05-06 Claude Sonnet 4.6 Please update your workflows and integrations to use supported models before this date. Copilot Enterprise administrators may…
Anthropic launches Claude Design following Opus 4.7 model upgrade - 9to5Mac
Anthropic launches Claude Design following Opus 4.7 model upgrade Zac Hall | Apr 17 2026 - 8:20 am PT | Apr 17 2026 - 8:20 am PT After two previous design-related updates…
Teaching Claude why
…the entire character (similar to the effect observed in the auditing game paper ); It updates the model’s perception of AI personas to be more aligned on average. We found that high…
Discussions and forums
An update on recent Claude Code quality reports
Engineering at Anthropic An update on recent Claude Code quality reports Over the past month, we’ve been looking into reports that Claude’s responses have worsened for some users. We’ve…
We Got Claude to Fine-Tune an Open Source LLM
…https://github.com/huggingface/skills/blob/main/hf-llm-trainer/skills/model-trainer/SKILL.md -- I'll update the article 👍. This is so cool. Many thanks. "Really fascinating read! I found the…
Claude is getting worse, according to Claude
…The model points to issues like "Claude Code's prediction-first behavior is dangerous on capital-at-risk projects" #46212 , "Claude Code is unusable for complex engineering tasks with the Feb updates…
Building The Imperfect Beast
AI Building The Imperfect Beast Knowing what we now know about Anthropic’s Mythos model, it would have been difficult indeed to create something more attractive to the Trump Administration. Or, indeed…
Introducing Claude Opus 4.5
…As future models surpass it, we expect to update limits as needed. Footnotes 1. This result was using parallel test-time compute, a method that aggregates multiple “tries” from the model and…
Agents for financial services
…Our investment professionals live in data and analytical models, and Claude for Excel meets them there. Analysts are using it to build and update coverage models, separate signal from noise, and pressure…