Anthropic on Pulse

8 stories โ€” the full thread of our Anthropic coverage, with the VC take on each.

AI

GLM-5.2 Becomes the Leading Open-Weights Model on Artificial Analysis

GLM-5.2 took the top spot among open-weights models on the Artificial Analysis Intelligence Index, narrowing the gap to the closed frontier labs. For builders, a state-of-the-art model you can self-host is the strongest hedge yet against the regulatory and vendor risk that just took down Fable 5.

Jun 16, 2026
AI$965B valuation at risk

US Government Orders Anthropic to Suspend Claude Fable 5 and Mythos 5

Three days after launch, the US government invoked national security authorities to force-disable a live frontier model -- a regulatory first that no founder or investor had priced in. Anthropic's ~$965B valuation now carries sovereign risk.

Jun 13, 2026
AI

Inside Fable 5 & Mythos 5: The Benchmarks That Made Anthropic the Model to Beat

Before the shutdown, the numbers were staggering: Fable 5 topped every public reasoning benchmark and Mythos 5 became the first model to clear 90% on the agentic-coding eval. This is the capability leap the industry was reacting to -- the regulatory drama is a separate story. For builders, the question is what these models unlock, and whether the next open-weight release closes the gap.

Jun 13, 2026
AI

White House EO Requires AI Developers to Share Models Before Release

The 30-day pre-release review window gives the federal government a de facto veto on frontier model launches, as Anthropic just learned the hard way. Colorado's AI Act hitting June 30 adds state-level compliance on top.

Jun 10, 2026
IPO

OpenAI and Anthropic File Confidential S-1s -- IPOs Expected 2026

The two most valuable private AI companies -- OpenAI at ~$852B, Anthropic at ~$965B -- have both filed confidentially with the SEC. When they list, all six MANGOS companies will be public.

Jun 10, 2026
AI

June 2026 Becomes the Biggest AI Model Launch Month Ever

Gemini 3.5 Pro, Claude Fable 5/Mythos 5, rumored Sonnet 4.8, and Grok 5 -- four frontier launches in a single month signals the arms race has entered a new phase where competitive moats are measured in weeks, not quarters.

Jun 10, 2026
BIG TECH$10T+ combined market cap

FAANG Is Dead -- Wall Street Crowns 'MANGOS' as the New Big Tech

The MANGOS acronym (Meta, Anthropic, Nvidia, Google, OpenAI, SpaceX) replaces FAANG as Wall Street's power index, with a combined projected market cap of $10T+ once all members are public. Half that value was created in the last 18 months alone.

Jun 9, 2026
FUNDING$2B

Moonshot AI Seeks $2B at a $30B Valuation -- China's Kimi Maker 7x's in Six Months

Beijing's Moonshot AI, the lab behind the Kimi chatbot, is in talks to raise up to $2B at a $30B valuation -- its third financing in six months and a roughly 7x markup from December 2024. With ARR past $200M, it's now in the front rank of Chinese labs chasing OpenAI and Anthropic.

Jun 8, 2026