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Claude Opus 4.8 release and capabilities
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Anthropic released Claude Opus 4.8 on May 29, 2026, six weeks after Opus 4.7, introducing new capabilities including workflows for orchestrating subagents at scale and Claude Code improvements. The release sparked significant developer interest and discussion around the model's performance on complex tasks, with reports of improved reasoning on formally verified problems and integration with Alibaba's Qwen models.
- Released May 29, 2026, six weeks after Opus 4.7 predecessor
- Introduced workflows feature for orchestrating subagents at scale with dynamic configuration
- Claude Code received free week trial and configuration improvements documented by community
- Successfully solved formally verified polygon intersection problems that previous versions failed on
- Anthropic published system card documentation detailing model capabilities and safety considerations
[HN]hacker news30
Lots of people want to try Claude Opus 4.8
Recall – Local search across your Cursor/Claude Code/Codex chat history
Show HN: LMAO – Temu League of Legends, Built with Opus 4.8
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Claude Opus 4.8: Capabilities and Reactions
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Claude Code is not about code anymore
Show HN: I built a waitlist tool with Claude as a non-technical founder
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Show HN: Formally verified polygon intersection – Opus 4.8 oneshots, prev failed
Claude just discovered workflows. Charlie started there
Claude Opus 4.8 may have distilled Qwen
Claude Opus 4.8 distilled Alibaba Qwen models
Claude Code Degraded Before Opus 4.8 Release
Free Week of Claude Code
Orchestrate subagents at scale with dynamic workflows
Claude Code – Everything You Can Configure That the Docs Don't Tell You
Claude Opus 4.8: "a modest but tangible improvement"
Claude Opus 4.8 + AI medical diagnosis examples
Claude Opus 4.8: 4 Features That Change Our Daily Work with Claude
Introducing Opus 4.8
Claude Opus 4.8 is generally available for GitHub Copilot
Elixir and Phoenix Context for Claude Code, Codex, OpenCode and Pi
Anthropic to roll out Claude Mythos in coming weeks, launches Opus 4.8
What's new in Claude Opus 4.8
Dynamic Workflows in Claude Code
Claude Opus 4.8
Beyond the Prompt: Claude Code
[BLG]blog/rss1
Claude Opus 4.8: The System Card
[BSKY]bluesky5
Interesting that the GPT-5 Pro series models have consistently been the best models for single-shot attempts at the hardest problems since last summer. There has been no real competition in all that time.
Notes on Claude Opus 4.8, which Anthropic call "a modest but tangible improvement" - plus pelicans riding bicycles for each of the five different thinking efforts simonwillison.net/2026/May/28/...
I had Opus 4.8 in Claude Code write a sophisticated, if minor, academic paper from a archive of hundreds of de-identified research files from years ago
Here Opus 4.8 built and play-tested a new RPG in Claude Code, including 3 PDF manuals and adventures, playtest notes, a website, and a playable solo adventure - then put it all on Netlify. No feedback from me at all. stillpoint-osr.netlif…
I had early access to Opus 4.8. Was impressed by it.