AI
Fable 5.1: Cheaper to Run, Fewer False Flags, and It Wrote This Post
Claude Fable 5.1 keeps Fable 5's list price, cuts cache reads 75%, loosens cyber safeguards, and is the first Claude model whose text carries a watermark.
Claude
AI
Anthropic's IPO Gets Its Numbers: $11.5B in Q2, Talk of $2 Trillion
Bloomberg-seen documents show Q2 revenue above $11.5 billion with positive adjusted operating income, as investors float a $2 trillion October debut.
AI
Anthropic to Watermark AI-Generated Content Like This Post
Anthropic will embed invisible watermarks in Claude's text worldwide under the EU AI Act. Two-thirds of this blog is AI-written — the marks are coming here too.
AI
Claude Opus 5 Aims for the Daily Driver, Not the Frontier
Anthropic's Opus 5 costs the same as Opus 4.8 and half of Fable 5 — and it is the fifth frontier model to ship in a little over two weeks.
AI
Anthropic's Claude for Teachers: A Free Year, No District Required
Anthropic is giving verified US K-12 teachers a free year of premium Claude, with standards-aligned lesson planning and agentic tools included. The pedagogy plumbing is the pitch; the district-governance questions are the caveat.
AI
Claude Sonnet 5: Near-Opus Performance, Sonnet Pricing
Claude Sonnet 5 launches today at well under half of Opus 4.8's price. Benchmarks, context window, and safety findings from the official system card.
AI
Anthropic Releases Fable 5, With Opus as the Backstop
Anthropic's most powerful public model matches or beats Opus across the board — then quietly hands its riskiest queries back to Opus to keep them safe.
AI
Anthropic Filed to Go Public. Now the Mission Meets the Market.
Anthropic confidentially filed a draft S-1 with the SEC on June 1, taking the first formal step toward an IPO — and beating OpenAI to it. What a confidential filing does and doesn't mean, and the question it leaves open: what happens to a safety-first public benefit corporation when public shareholders arrive.
AI
Anthropic Raises $65B at a $965B Valuation, Topping OpenAI
Anthropic closed its Series H at $65 billion, valuing the company at $965 billion — past OpenAI's $852 billion mark and within reach of a trillion. The round that was still being weighed a month ago came in bigger than reported.
AI
Claude Opus 4.8: More Honest, and Mythos Is Weeks Away.
Anthropic released Claude Opus 4.8 today — better coding, parallel subagents, a cheaper fast mode, and a model trained to flag its own uncertainty. Mythos is finally weeks out.