Anthropic upgrades Claude with new Opus 4.8 model, details here Zac Hall | May 28 2026 - 10:09 am PT | May 28 2026 - 10:09 am PT Anthropic has released its latest AI model with Claude Opus 4.8. …
… Claude Opus 4.6 is available today on claude.ai , our API, and all major cloud platforms. If you’re a developer, use claude-opus-4-6 via the Claude API . Pricing remains the same at $5/$25 per million tokens; for full details, see our pricing page . …
… Please see the Claude Opus 4.5 system card for full details. …
… While Opus 4.7 isn't the same as Mythos, Anthropic is testing some of its new cybersecurity protections in Opus 4.7. …
After watching Anthropic's recent postmortem (anthropic.com/engineering/april-23-postmortem), I've been thinking about the way I approach Claude Code differently. They lowered default reasoning effort to fix latency, cal…
Hey HN! We're Dr. Kashyap Thimmaraju and Giuseppe Canale from Silicon Psyche. We've built Posture Sequence Analysis (PSA), a behavioural health monitor for LLMs and AI Agents.Why we built PSAWe built PSA because we wante…
… More details and a much wider range of capability evaluations are provided in the Claude Opus 4.8 System Card . Collaborating with Opus 4.8 Early testers have found Claude Opus 4.8 to be more reliable and sharper in its judgement when it’s performing agentic tasks. …
… Opus 4.7 arrives two months after Opus 4.6 , which arrived two months after Opus 4.5 . There was a longer gap between Opus 4.1 and Opus 4.5. …
… It’s a more intelligent, more efficient Opus 4.6: low-effort Opus 4.7 is roughly equivalent to medium-effort Opus 4.6. On our 93-task coding benchmark, Claude Opus 4.7 lifted resolution by 13% over Opus 4.6, including four tasks neither Opus 4.6 nor Sonnet 4.6 could solve. …
… The company’s evaluations also show that Opus 4.8 is four times less likely to not report flaws in code it writes. For users who are worried about the rising costs of AI use , Opus 4.8 offers some good news. Using Opus 4.8’s fast mode for faster responses is now three times cheaper than before. …
… Before I got into prototyping, I actually used Opus 4.7 to figure out how to use Opus 4.7. …
… According to the Opus 4.7 System Card, "Opus 4.7 is roughly similar to Opus 4.6 in cyber capabilities." But it's apparently less capable than Mythos Preview and comes with "safeguards that automatically detect and block requests that indicate prohibited or high-risk cybersecurity uses." But for Ped… …
