News
Claude’s 50% Design Usage Promotion Explained
Claude is offering eligible Pro, Max, and Team users a temporary 50% reduction in usage counted toward five-hour limits when they create or edit artifacts.
Prompt Blueprints / Topics
Claude & Anthropic
Follow Claude, Claude Code and Anthropic: new capabilities, research, releases and practical guides.
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Leaks & rumours
Anthropic Fable 5.5: What the Unverified Report Says
An unverified X thread describes alleged grey-testing of Anthropic Fable 5.5, including unusually autonomous task completion and a possible launch sequence. No…
AI releases
Claude Sonnet 5.5 launches after weeks of leaks, Anthropic says
Anthropic has released Claude Sonnet 5.5 after weeks of leaks about stealth testing, Claude Code references and a registry entry. The speed, cost and benchmark…
News
When Claude Safety Refusals Can Still Cost You
Anthropic says some Claude safety refusals will be billed before output. Here is how the reported categories, API responses, fallback attempts and rate limits…
News
Anthropic Introduces Claude Marketplace for Tools and Partners
Anthropic says Claude Marketplace will help users discover connectors, agents, products and service partners, but the announcement leaves access, pricing and…
News
Claude Finds CRISPR-Like Repeat System in Phage DNA
Anthropic says Claude identified an uncharacterized reverse-transcriptase system in bacteriophages, but ART’s biological function remains unknown.
AI reviews
Claude Opus 5.5 Early Review: First Impressions on Speed, Pricing and Coding
Claude Opus 5.5 review: first impressions on coding, 3D game development, speed, API pricing, benchmarks and usage limits.
AI releases
Claude Opus 5.5: from stealth-test reports to Anthropic's announcement
Anthropic has officially announced Claude Opus 5.5, while the earlier leaks, code observations and pricing figures remain unverified. Availability, API access…
News
Claude Code Adds AGENTS.md Support in Version 2.1.277
Claude Code 2.1.277 adds support for checking and using AGENTS.md when a folder has no CLAUDE.md, with a toggle available in /config.
News
Claude Cowork and chat are merging into one experience
Anthropic says Claude Cowork and chat will become one experience, with Pro and Max users expected to receive the update over the next few weeks.
News
OpenAI Reports AI-Safety Talks With Anthropic and Google
OpenAI policy chief Chris Lehane says the company has discussed AI safety with Anthropic and Google DeepMind for several weeks, while supporting proposed US…
Leaks & rumours
Claude Opus 5.2 May Be Tested in Claude Code
An X post suggests that a model related to Claude Opus 5.2 may be undergoing greyscale testing in Claude Code under the broader “Opus 5” name, while web…
News
What Dario Amodei Means by “Pacing the Frontier”
Dario Amodei proposes slowing frontier AI development enough for safety work, independent oversight and international coordination to keep pace with…
News
Anthropic’s Three AI Scenarios for Jobs and the Economy
Anthropic’s economic scenario explorer models how AI could affect US GDP, jobs, wages and the distribution of income by 2030.
AI releases
Claude Fable 5.1 and Mythos 5.1 Announced
Claude has announced two new models, Fable 5.1 and Mythos 5.1, positioning them for coding and knowledge work.
News
Anthropic Max Plans: Why 20x May Mean 2x Weekly Usage
Anthropic’s Max labels describe five-hour session usage, but a proposed class action cited in an X post alleges the $200 tier delivers only about twice the…
News
Claude Weekly Limits Will Rise 25% Permanently
Claude will permanently raise standard weekly limits by 25% for Pro, Max, Team, and seat-based Enterprise plans starting September 14, following a temporary…
News
Opus 5.1 could be releasing soon
An X post reports that Opus 5.1 correctly recalled the Opus 4.6 release date in a no-tools test, while base Opus 5 reportedly gave less reliable answers.