Excited to release Opus 4.8 today! We heard your feedback on 4.7 and have made many fixes for 4.8. 4.8 understands nuances better, feels much more natural to talk to, and is overall a stronger collaborator on everything from coding to knowledge work.
SOFTWARE
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New Claude features: fast mode, dynamic workflows, effort controls
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Also shipping today:
• Fast mode for Opus 4.8 – 2.5x faster, 3x cheaper vs 4.7
• Dynamic workflows in CC – hundreds of parallel subagents in one session, and verifies its own work • Effort controls on http://
claude.ai – choose how much effort Claude puts into a query -
Data Infrastructure Optimization for AI Model Training
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We are starting to be quite bullish about getting in the data infrastructure business.
— Julien Chaumond (@julien_c) 28 mai 2026
I just cloned 68 TB (while I only have a 4TB local disk) to my @huggingface training bucket in 1 minute 55 seconds, thanks to Xet deduplication and all our infra optimizations.
You can host… pic.twitter.com/qfm9QvaIdjWe are starting to be quite bullish about getting in the data infrastructure business. I just cloned 68 TB (while I only have a 4TB local disk) to my @huggingface training bucket in 1 minute 55 seconds, thanks to Xet deduplication and all our infra optimizations. You can host
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Perplexity Computer now helps prepare federal tax returns
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https://t.co/b774dXzDJ7 https://t.co/NeC9DfB4rI
— Aravind Srinivas (@AravSrinivas) 28 mai 2026Perplexity Computer can now help prepare your federal tax return. Select “Navigate my taxes” on Computer to give it a shot.
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Cursor AI Tool for Automated Code Development
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Then ask Cursor to either start working on the open MagicPath file, create a new one, or point to an existing one. Cursor will know what to do.
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Self Improving AI beats Karpathy’s autoresearcher by improving itself
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Self Improving AI (SIA) beats Karpathy's autoresearcher agent by improving itself!
— Sumanth (@Sumanth_077) 28 mai 2026
SIA is a Self Improving AI framework to autonomously improve the performance of any AI system (Model / Agent) on a benchmark task.
Most agent frameworks are static. Fixed harness, fixed model… https://t.co/bk4BaLqsCE pic.twitter.com/kiByM7J0KvSelf Improving AI (SIA) beats Karpathy's autoresearcher agent by improving itself! SIA is a Self Improving AI framework to autonomously improve the performance of any AI system (Model / Agent) on a benchmark task. Most agent frameworks are static. Fixed harness, fixed model
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Vibe Coding: AI-Driven Rapid Development Trend
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“Vibe coding” is quickly becoming one of the most talked-about AI trends in business and software development Instead of focusing purely on technical coding skills, vibe coding is about using AI tools to rapidly build, test and refine ideas through natural language prompts,
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Apple prepares major Siri revamp with dedicated app
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Apple prepares to announce a major Siri revamp soon, along with a new dedicated Siri app, according to Bloomberg. > These are preview renders prepared by Bloomberg > A new Siri will likely be released in early September Expectations x100
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Systematic failures in long agent runs: repetition, forgetting, high API bill
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You have probably seen this with Claude Code or any long agent run: – it repeats work
– it forgets a decision
– it argues with stale instructions
– it misses the exact file you mentioned earlier
– the API bill keeps climbing That is not random. -
General-Purpose AI Agent Surpasses Karpathy’s Auto-Researcher by Self-Improvement
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A GENERAL-PURPOSE AGENT SURPASSED KARPATHY'S AUTORESEARCHER It wasn't designed for research. It simply improved itself until it achieved it The framework behind it is called SIA by Hexo Labs and it's open source → The agent updates its own logic
→ Modifies its own weights