We take these reports incredibly seriously. In my time on the team, this has probably been the most complex investigation we’ve had. The root causes were not obvious, and there were many confounders.
@bcherny
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Claude Code Quality Issues: Post-Mortem Analysis Published
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We’ve been looking into recent reports around Claude Code quality issues, and just published a post-mortem on what we found.
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Opus 4.7 and Claude Code Performance on Xhigh Effort
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Hmm are you seeing this with Opus 4.7 on xhigh effort and the latest version of Claude Code?
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Claude Code Wins Webby Award for AI Excellence
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Claude Code won a Webby! Thanks to all of our users and customers for the support and love, and for always giving us feedback so that we can continue making the product a little better every day.
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Rate Limits Increased for All AI Subscribers
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We increased rate limits for all subscribers, so you shouldn’t feel the increased token consumption
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Service scaling challenges amid rapid user growth
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Our services have been strained by rapid user growth. It’s mostly stuff like scaling up databases, dealing with more contention, etc. We’re continuing to work around the clock to scale everything up — thanks for bearing with us!
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Opus 4.7 Claude Code Latest Update Performance
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For those not seeing the increase, make sure you're using Opus 4.7 with the latest Claude Code
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Verify Claude’s Work to Maximize AI Output
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6/ Give Claude a way to verify its work Finally, make sure Claude has a way to verify its work. This has always been a way to 2-3x what you get out of Claude, and with 4.7 it's more important than ever. Verification looks different depending on the task. For backend work, make
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Configure Opus 4.7 Effort Level for Adaptive Thinking
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5/ Configure your effort level
— Boris Cherny (@bcherny) 16 avril 2026
Opus 4.7 uses adaptive thinking instead of thinking budgets. To tune the model to think more/less, we recommend tuning effort.
Use lower effort for faster responses and lower token usage. Use higher effort for the most intelligence and capability.… pic.twitter.com/h2gY3yQEeK5/ Configure your effort level Opus 4.7 uses adaptive thinking instead of thinking budgets. To tune the model to think more/less, we recommend tuning effort. Use lower effort for faster responses and lower token usage. Use higher effort for the most intelligence and capability.
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Claude Opus 4.7 Enhancement Enables Longer Agentic AI Workflows
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Happy coding! Opus 4.7 is a significant step up. To get the most out of it, take the time to adjust your workflow to take advantage of Claude running for longer & being more agentic. It feels like a nice improvement with old workflows, and a significant leap once you take the