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The full ledger.

Every briefing we have ever published, in reverse chronological order. Each row is a complete morning edition — open it, skim the TL;DR, read what mattered.

Briefings

53

Items curated

546

Best day

17 items

Since

May 16

Week 2026-W28

07
Jul · Tue
Issue №538 items
Claude's infrastructure wobbles while its tooling ecosystem quietly becomes indispensable.
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06
Jul · Mon
Issue №5215 items
Anthropic bets on science, security, and smarter billing as Claude's complexity compounds
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Week 2026-W27

05
Jul · Sun
Issue №5111 items
Claude Science launches as Sonnet 5 proves capable models can also be cheap
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04
Jul · Sat
Issue №5011 items

Week 2026-W26

28
Jun · Sun
Issue №446 items
Mythos 5 unblocked for trusted institutions, as agentic security threats sharpen
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27
Jun · Sat
Issue №438 items

Week 2026-W25

21
Jun · Sun
Issue №377 items
Claude Code Gets Smarter Memory, Live Artifacts, and a Face ID Surprise
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20
Jun · Sat
Issue №369 items

Week 2026-W24

14
Jun · Sun
Issue №309 items
Anthropic's most powerful model lasted 72 hours before governments stepped in.
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13
Jun · Sat
Issue №2911 items

Week 2026-W23

07
Jun · Sun
Issue №238 items
Opus 4.8 ships with agentic upgrades, but the real story is what surrounds it.
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06
Jun · Sat
Issue №2213 items

Week 2026-W22

31
May · Sun
Issue №1613 items
Opus 4.8 lands strong, but the ecosystem around Claude is getting complicated fast.
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30
May · Sat
Issue №1515 items

Week 2026-W21

24
May · Sun
Issue №913 items
Anthropic goes full-stack: agents run inside your network, SDK tooling, and 300K PwC seats
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23
May · Sat
Issue №810 items

Week 2026-W20

17
May · Sun
Issue №24 items
Day 2: builders wire Claude into their workflows while interpretability researchers crack open arithmetic
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16
May · Sat
Issue №1

Anthropic drops a jailbreak severity scale as Fable 5 costs spark user alarm

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Issue №49·13 items

Claude Code goes autonomous, Fable 5 returns, and safety research gets uncomfortable.

Issue №48·11 items

Claude Sonnet 5 lands strong, but Anthropic's benchmark silence speaks louder

Issue №47·16 items

Claude Sonnet 5 ships as default in Claude Code, and the agentic stack matures fast.

Issue №46·7 items

Opus 4.5 stumbles while the open-source tooling ecosystem quietly matures around Claude.

Issue №45·6 items

Claude Goes Native in Slack While Fable's Collapse Exposes Platform Risk

Claude Design ships, but the agent security storm is just beginning.

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Issue №42·8 items

Enterprise Claude unlocks 451 subagents, 14M tokens, zero limits hit

Issue №41·11 items

Claude Fable 5 lands with serious coding chops, but containment questions loom

Issue №40·10 items

Agentic Claude matures fast, but reliability and cost discipline are lagging behind.

Issue №39·10 items

Agent loops mature as open-source catches up and infra shows its cracks.

Issue №38·7 items

Sonnet 5 looms as Anthropic juggles outages, tooling, and safety benchmarks

The first AI kill-switch just fired. Nothing will be the same.

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Issue №35·16 items

The White House paused Fable 5, and now everyone has to reckon with it.

Issue №34·10 items

Claude Opus 4.8 leads on real code fixes as the agentic stack matures fast.

Issue №33·9 items

Claude Opus 4.8 leads coding benchmarks as Anthropic quietly course-corrects on SDK pricing.

Issue №32·14 items

Mythos launches, then gets yanked: Day 32 is already complicated

Issue №31·9 items

Claude Fable 5 goes live at scale while safety debates intensify around it

Fable 5 hits 95% on SWE-bench, then the government pulls the plug.

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Issue №28·13 items

Claude Fable arrives and immediately rewrites what AI-assisted work means

Issue №27·14 items

Fable 5 lands as Claude's most capable and most scrutinized model yet

Issue №26·17 items

Claude Fable 5 is here, and the Mythos era begins in earnest.

Issue №25·10 items

Claude writes 80% of its own code while someone plants backdoors in it

Issue №24·9 items

Claude 4 lands with real integration debt, while reliability questions mount in the field.

Anthropic opens the kimono on security tooling while quietly closing doors on devs

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Issue №21·12 items

Anthropic files for a $1.8T IPO as Claude Code keeps shipping fast.

Issue №20·10 items

Enterprise agent infrastructure matures as community pushes Claude Code to its limits

Issue №19·10 items

Opus 4.8 lands as Microsoft declares the app era officially over

Issue №18·9 items

Opus 4.8 reframes Claude as an agentic workhorse, not a chatbot

Issue №17·3 items

MCP hits 1000 bots, but context loss and prompt discipline still define who wins.

Claude Opus 4.8 ships with honesty gains, effort controls, and one very expensive lesson

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Issue №14·17 items

Opus 4.8 ships honest and fast while Anthropic's $965B round rewrites the stakes

Issue №13·11 items

Enterprise walls go up as Claude's legal exposure in Europe comes into focus

Issue №12·10 items

Inside Claude's mind: unsettling structures, canceled licenses, and a conscience under scrutiny

Issue №11·7 items

Anthropic buys Stainless, signaling an infrastructure land-grab beyond model capabilities.

Issue №10·8 items

Anthropic goes enterprise and intelligence: trust questions follow the momentum

Claude Code 2.1 bets on autonomous loops while safety patches chase behind

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Issue №7·10 items

Claude Opus 4 codes for 7 hours straight while Karpathy joins to make it smarter

Issue №6·8 items

Anthropic posts its first profitable quarter as Claude agents leave the mothership for customer infrastructure

Issue №5·11 items

Karpathy joins Anthropic's pre-training team as the platform play accelerates around Claude Code.

Issue №4·12 items

Claude 4.7 ships a 1M context window, but new research shows long contexts quietly break safety classifiers.

Issue №3·9 items

Claude Opus 4 takes the SWE-bench crown as Anthropic quietly shifts coding off your laptop

8 items

Anthropic ships self-improving agents while Claude tells users to go to sleep, and nobody knows why

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