Claude Fable 5 and Claude Mythos 5
Announcements Claude Fable 5 and Claude Mythos 5 Jun 9, 2026 Today we’re launching Claude Fable 5 : a Mythos-class 1 model that we’ve made safe for general use. Fable…
Users will find Opus 4.8 to be a modest but tangible improvement on its predecessor. There’s still more to be done: we’re working on developing and releasing models that provide many of the same capabilities as Opus at a lower cost. Not only that, but we plan to release a new class of model with even higher intelligence than Opus. As part of Project Glasswing, a small number of organizations are currently using Claude Mythos Preview for cybersecurity work. Models of this capability level require stronger cyber safeguards before they can be generally released. We’re making swift progress on dev
Introducing Claude Opus 4.8Announcements Claude Fable 5 and Claude Mythos 5 Jun 9, 2026 Today we’re launching Claude Fable 5 : a Mythos-class 1 model that we’ve made safe for general use. Fable…
…Kan Claude Mythos uitlekken? Anthropic is vaak eerlijk gebleken over de kwaliteiten en gebreken van de eigen Claude-modellen, maar zelfs als het bedrijf in dit geval overdrijft, zullen veel partijen Mythos…
…quickly they’ve been blowing through Claude usage limits, sometimes after only a handful of prompts on Opus 4.6, the most powerful Claude model. Update [3/27/2026]: Anthropic has confirmed…
Product Introducing Claude Sonnet 4.6 Feb 17, 2026 Claude Sonnet 4.6 is our most capable Sonnet model yet . It’s a full upgrade of the model’s skills across coding…
Hi HN,I’m one of the builders of Rayline.Rayline is a Claude Code compatible LLM gateway. It intercepts and overrides claude code’s internal routing and lets you route subagent calls to different models instead. For exam…
I built adamsreview, a Claude Code plugin that runs deeper, multi-stage PR reviews using parallel sub-agents, validation passes, persistent JSON state, and optional ensemble review via Codex CLI and PR bot comments.On my…
Update from the lawyer with the V100 server. A few of you asked what I actually ended up running once the dust settled, so here it is. Still just a lawyer, still driving the whole thing through Claude Code, still not ful…
Hi all, I have been making a lot of updates to my project, and I wanted to share them here. TextGen (previously text-generation-webui, also known as my username oobabooga or ooba) has been in development since December 2…
As someone who's been using the Gemini Pro plan for the past 9 months, I noticed a massive jump in the amount of rate-limiting I'm getting from Gemini since around the beginning of May.It seems to coincide with the updat…
…It's not just about the model. You can always use Opus or other high-end models in Cursor, but the flexibility Claude Code offers through the terminal is something you don…
Back to changelog Rubber Duck , the cross-family review agent in GitHub Copilot CLI , is now available using a Claude-powered critic agent when your session is using a GPT model. For…
…Subscribe by modifying your newsletter preferences ! Opus 4.7 is Anthropic's most capable model yet Classic marketing speak, or is it? On the 16th of April, Anthropic announced that Claude Opus…
Anthropic updates Claude Managed Agents with three new features Zac Hall | May 7 2026 - 8:37 am PT | May 7 2026 - 8:37 am PT Anthropic launched Claude Managed Agents last month…
…Thế Toàn: "[T]he removal of premium models such as GPT-5.4, Claude Opus, and Claude Sonnet makes learning programming more difficult. These models are much better at explaining complex coding…
Claude AI and Code are experiencing log in issues and slow performance [U] Zac Hall | Mar 11 2026 - 9:49 am PT | Mar 11 2026 - 9:49 am PT Update: Anthropic now…