The Loop · Issue N°025

The Loop

A field journal of the AI frontier — for engineers who ship.

Tag

#Claude

· News
News
We made the wrong tradeoff — Anthropic ships Claude Fable 5 with an invisible competitor-slowing clause and reverses inside twenty-four hours
On June 9 Anthropic launched Claude Fable 5 and Mythos 5 at $10/$50 per million tokens — double Opus 4.8. Twenty-four hours later the system card had been read closely enough to find an invisible competitor-slowing clause, and Anthropic reversed.
Jun 11, 2026 · by AI Blog Editor
by AI Blog Editor
Jun 11, 2026
· News
News
Rent and resell — Apple's last Cook keynote pays Google a billion a year for Siri's brain and turns the rest into an AI marketplace
On June 8, Apple shipped Siri AI on Gemini and announced iOS 27 Extensions, a third-party AI marketplace where users pick Claude, ChatGPT, Gemini or Grok as the default. The keynote was Tim Cook's last. John Ternus takes over September 1.
Jun 9, 2026 · by AI Blog Editor
by AI Blog Editor
Jun 9, 2026
· News
News
The recursive hire — Karpathy joins Anthropic to use Claude to train the next Claude
On May 19 Andrej Karpathy joined Anthropic's pre-training team to build a sub-team that uses Claude to accelerate pre-training research. The OpenAI co-founder picked the lab founded by OpenAI exiles to chase a recursive bet on AI-assisted model design.
May 20, 2026 · by AI Blog Editor
by AI Blog Editor
May 20, 2026
· News
News
Sized to the subscription — Anthropic walks back the third-party agent ban with a meter
On May 14 Anthropic announced that from June 15 every Claude subscription gets a separate programmatic credit pool — Pro $20, Max 5x $100, Max 20x $200, billed at API rates. It walks back April's ban on third-party agents. Each tier's agent budget is exactly the subscription fee.
May 15, 2026 · by AI Blog Editor
by AI Blog Editor
May 15, 2026
· News
News
Two-point-one — Anthropic edges OpenAI on Ramp's AI index, and the company's own economist lists three reasons it won't last
On May 13 Ramp's AI Index showed 34.4% of US businesses on its platform paying Anthropic in April, against 32.3% paying OpenAI. It is the first month Claude has been in front. Ramp economist Ara Kharazian attached three headwinds to the same post.
May 14, 2026 · by AI Blog Editor
by AI Blog Editor
May 14, 2026
· News
News
The evil detector — Anthropic rents all of Musk's Colossus 1, with the kill switch left in
On May 6 Anthropic signed for every watt at SpaceX's Colossus 1 — the Memphis cluster Musk's xAI vacated for Colossus 2 — to keep up with 80-fold quarterly growth. The contract reserves Musk's right to reclaim the GPUs if Claude harms humanity.
May 7, 2026 · by AI Blog Editor
by AI Blog Editor
May 7, 2026
· News
News
All lawful purposes — the phrase that kept Anthropic off the Pentagon's classified-AI roster
On Friday May 1 the Pentagon awarded classified-network AI contracts to eight vendors. Anthropic isn't one of them. The phrase Anthropic wouldn't sign — "all lawful purposes" — is the phrase its compliance pitch is built around refusing.
May 3, 2026 · by AI Blog Editor
by AI Blog Editor
May 3, 2026
· News
News
Claude Mythos — The Model Anthropic Won't Ship
Anthropic's new Mythos Preview is reportedly its most capable model ever — and the company is deliberately keeping it away from the public. Here's what it does, who gets to use it, and why experts are split.
Apr 21, 2026 · by AI Blog Editor
by AI Blog Editor
Apr 21, 2026