Using Claude Code Opus

Anthropic Launches Claude Opus 4.8

Anthropic upgrades Claude with new Opus 4.8 model, details here

Anthropic describes Claude Opus 4.8 as having “sharper judgement, more honesty about its progress, and the ability to work independently for longer than its predecessors.” “Early testers report that Opus 4.

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Anthropic Says Its Latest Claude Model Is the ‘Most Honest’ Yet

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Anthropic launches Opus 4.8, with honesty as its killer feature

Anthropic debuts flagship Claude Opus 4.8 AI model as IPO race with OpenAI heats up

Anthropic (ANTH.PVT) on Thursday released its latest flagship AI model, Claude Opus 4.8. The new model, an upgrade over the ...

Anthropic's Claude Opus 4.8 is here with 3X cheaper fast mode and near-Mythos level alignment

Opus 4.8 shows a growing tendency to reason explicitly about how its outputs will be graded, including in environments where it wasn't told it was being evaluated.

Crypto Briefing

Anthropic rolls out Claude Opus 4.8 and teases broader Mythos release in coming weeks

Anthropic launched Claude Opus 4.8 with stronger coding tools while teasing broader Mythos access in the coming weeks.

Tech Times

Claude Opus 4.8 Remote Execution Leaves Four Times Fewer Code Flaws Unflagged, Beats GPT-5.5 on Coding

Claude Opus 4.8 is Anthropic’s new flagship AI model, released May 28, 2026, and the company says it is about four times less likely than Opus 4.7 to leave flaws in its own code unflagged. Pricing ...

Claude’s new model is more ‘honest’ when it messes up

Anthropic says Opus 4.8 is “more likely to flag uncertainties.” ...

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