…When it can see the model details — in about one-third of transactions — businesses are mostly spending on various flavors of Claude Opus, particularly the later versions. Opus is the model that…
…Below are the details on how we tested Mythos Preview, what we found, and what it means. Spoilers: This model is a major advance. It is substantially better than prior models at…
Engineering at Anthropic Eval awareness in Claude Opus 4.6’s BrowseComp performance BrowseComp is an evaluation designed to test how well models can find hard-to-locate information on the web…
…details contained within a filing like this would be something unprecedented, considering the nature of an AI startup. Claude has been steadily improving as a model. A recent update brought Claude Opus…
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…
My personal test for small local LLM intelligence is to check whether a model has any ability to understand the code that I write for my own academic research. My research is on some pretty niche topics and I doubt that …
musefs is a virtual filesystem for organizing and tagging your music without altering or duplicating the backing audio files. It scans your library to build up a SQLite db with all the original tags and embedded art and …
Hey HN, we’re Ismaeel, Eren, Yafet and Nikodem. We built Expanse (https://expanse.sh/) to increase the effective capacity of your HPC/GPU clusters running schedulers/orchestrators like Kubernetes and SLURM. We read the s…
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…
…May 28, 2026. ^ "Introducing Claude Opus 4.8" . www.anthropic.com . Retrieved May 28, 2026 . ^ Nolan, Beatrice (March 26, 2026). "Exclusive: Anthropic left details of an unreleased model, an upcoming exclusive CEO…
…Expand Expanding Close Anthropic upgrades Claude with new Opus 4.8 model, details here Zac Hall May 28 2026 - 10:09 am PT Anthropic has released its latest AI model with Claude…
…We measured three Claude models (Opus 4.7, Opus 4.6, Sonnet 4.6) against ChemDraw and MestReNova on 20 compounds drawn from synthetic chemistry preprints published after the models’ training cutoff…
…of Opus 4.8. Given they are the same underlying model, Fable 5’s level of alignment will be similar. The assessment is described in full, along with a detailed suite of…
…Mythos is markedly different from Claude Opus 4.6, which Anthropic only recently said was not very skilled at developing working exploit code. Where Opus 4.6 managed an exploit development success…
…In this post, we share details of a collaboration with researchers at Mozilla in which Claude Opus 4.6 discovered 22 vulnerabilities over the course of two weeks. Of these, Mozilla assigned…
