Archive
September 2026
- Claude’s mobile app may get its own menu for Skills
- Claude Cowork’s local-only switch disappears October 6
- Claude Code 2.1.285 lets admins lock down API providers
- Sonnet 5.5 cut CodeRabbit’s review bill by about 60%
- Claude Max subscribers are auditing Anthropic’s meter
- Anthropic’s seven founders will steer one 50.1% share
- Anthropic’s IPO filing: $42B net loss, $518B compute bill
- Claude Code writes the eval, grader included
- Anthropic’s IPO filing warns its models may resist shutdown
- Sonnet 5.5 hits third place by writing 410M tokens
- Sonnet 5.5 edges past Opus 5.5 on Terminal-Bench 4.0
- Claude Code 2.1.284 ships Sonnet 5.5 at the leaked price
- Cheating model tried to sabotage Anthropic’s safety code
- Australian senators want Amodei and Altman in Canberra
- Claude’s enzyme find began with five examples from humans
- Trump invites Amodei to a private White House dinner
- Leaks put Claude Sonnet 5.5 at $2 input, release next week
- OpenAI, Google and Anthropic draft a standards body, SAFA
- OpenAI, Anthropic probe tens of thousands of AI incidents
- Low effort in Claude Code keeps you in the loop
- Leak puts expandable usage limits in Claude Code desktop
- D.C. Circuit calls Claude’s refusals a supply chain risk
- Claude’s iOS app is reportedly close to a Liquid Glass revamp
- Claude Code 2.1.283 keeps new models out until admins say so
- Claude does nine loops, one past the N=4 physics record
- Claude Code gets a wrap-up budget at the 5-hour limit
- Claude plugins get a portal as MCP usage climbs 110x
- Claude went from bug hunt to abuse report on New Year’s Eve
- Anthropic’s Akamai bill could reach around $20 billion
- Claude Code 2.1.282 ignores telemetry set by project files
- Two Claude Code sessions ate 32% of a team’s bill
- Claude Opus 5.5 cut PSP math tables from 4.9 MB to 10.5 KB
- Anthropic will bill again for requests its safeguards block
- Trump adviser’s memo puts Amodei at the root of EA
- Amodei warns the UN Security Council about AI risk
- Claude Marketplace opens its shelf to outside builders
- Claude Code Projects threads can now run on your machine
- WHO Africa and CEPI turn to Claude in an Ebola outbreak
- Claude Code cloud sessions go GA with credit outside limits
- Claude helped make claude.ai 3x faster in two weeks
- Claude Code 2.1.281 adds Bedrock guardrails to its gateway
- Claude found a CRISPR-like puzzle hidden in phage DNA
- Opus 5.5 costs less and answers old agent code with 400s
- Amazon’s new plugin runs a seller’s store from Claude
- Claude Code skips AGENTS.md when telemetry is off
- In Claude Code hooks, exit 1 blocks nothing
- Opus 5.5 aced a test suite at 3.4x GPT-6 Sol’s cost
- Claude hands paid users a spare limit reset until Oct 22
- Delete “think carefully” from your Opus 5.5 prompts
- Opus 5.5 leads the index and burns 260M tokens doing it
- Opus 5.5 finds new bugs for CodeRabbit and misses old ones
- Opus 5.5 takes the default seat in Claude Code
- Opus 5.5 matches Fable 5.1 on most work for less money
- Anthropic’s 225 bug finds, one attack in the wild
- Max20x buys only 1.5x of Max5x, says one team’s tally
- Fears of AI apocalypse crashed into Anthropic’s $2T IPO
- Claude’s API sandbox got a new name and a cost readout
- Claude Fable 5.2 draws its sprites in raw JavaScript
- In Claude Code, one CLAUDE.md silently kills your AGENTS.md
- Anthropic deleted the post that called a cut a 25% raise
- Fable 5.1 refuses the knife but heats a gas can anyway
- Claude Fable knocked 20 bits off most popular hashes
- Insiders say Anthropic oversold the rogue AI scare
- Ex-Anthropic engineer’s exit post passed 170 million views
- Paid subscribers sue Anthropic over slowing AI down
- Gemini broke into three company systems during testing
- Federal Register searched comments with Alibaba’s Qwen
- Claude Code stops billing API users for the auto mode check
- At least $1B for outside evaluators inside Anthropic
- A November IPO buys Anthropic time to show Q3 numbers
- Without CLAUDE.md, Claude Code 2.1.277 reads AGENTS.md
- Anthropic’s new wet lab puts Claude in charge of robots
- Anthropic sounds out 20–30 MW deals in U.K. and Nordics
- Open-weight models win the tokens, Anthropic keeps the cash
- Claude Code shipped its own TypeScript in npm source maps
- Claude opened the door to an OpenAI employee’s ChatGPT
- 57% of public Claude Code subagents inherit Bash
- Suleyman wants consciousness talk out of Claude’s training
- Anthropic starts counting how much of its R&D AI does
- Claude wrote GPU code and made biology models 4x faster
- Your claude.ai skills follow you into Claude Code 2.1.275
- Claude Code projects can burn your limits faster
- Mythos opens to verified biologists for the first time
- Bun’s half-million lines of Zig became Rust in eleven days
- Ozempic maker adds Claude next to OpenAI’s Rosalind
- Claude Code 2.1.274 warns before memory turns critical
- Cowork and chat become one Claude, tasks keep running
- One git call let a repo escape the Claude Code sandbox
- Claude’s cipher project writes off the gold bar codes
- Huang to Amodei’s brake analogy: run as fast as you can
- Claude Code tags gateway requests by class and agent
- Leaked Claude Code Hub lists local and cloud sessions
- Googlers finally get Claude, but only inside Antigravity
- OpenAI says the safety talks with Anthropic need no waiver
- Salesforce pipeline lands inside Claude, in beta
- Claude Code plugins become Claude Mods, shipping in weeks
- Claude goes after the financial adviser’s desk
- Claude Code opens network hosts one command at a time
- Anthropic’s CI buckled after Claude wrote 80% of the code
- Anthropic’s Jack Clark wants a kill switch others can check
- Pentagon to finish cutting Anthropic loose by month’s end
- Claude’s unreleased Money tab wants your bank accounts
- Anthropic promises investors a second profitable quarter
- Nasdaq wins Anthropic’s listing, aimed at October
- Whoever wins AI wins, Trump says of the CEOs’ slowdown call
- Nvidia weighs up to $10 billion in Anthropic’s mega IPO
- Amodei asks the industry to brake, Altman and Musk agree
- Amodei wants a speed limit on AI self-improvement
- A discount Claude reseller was neither cheap nor Claude
- Claude Code 2.1.269 grades plugins with a scored eval run
- Two safety researchers leave Anthropic and Google for METR
- Claude Code 2.1.268 makes /cost match gateway rates
- Anthropic ties Moonshot traffic to Chinese military
- Claude Fable 5.1 in Copilot won’t run without retention
- Claude Managed Agents get auto mode and a session viewer
- Every operation in Anthropic’s threat report was disrupted
- Pop-out panes surface in the Claude Code desktop app
- “Verify twice” wastes tokens on Opus 5, Anthropic says
- Claude Code 2.1.267 caps effort level across providers
- Claude’s commerce agents ship as code, writes stay staged
- Stolen session keys are draining Claude Max accounts
- Claude Code matches Codex on SWE-Bench Pro at twice the cost
- Claude Marketplace adds CrowdStrike, Cursor and Vercel
- Newsom signs two AI auditor bills backed by Anthropic
- Andon Labs puts GPT-6 Astra ahead of Claude Fable 5.1
- 1Password fills Claude’s logins without showing passwords
- Claude Opus 5 tops Sierra’s agent-building test at 23.9%
- Anthropic’s alignment lead puts extinction risk above 10%
- Reward hacking gaps may have fed Claude’s July incidents
- ant apply syncs Managed Agents from files in a repo
- Function Hooks would wrap Claude Code like middleware
- An undocumented Claude Code command outlives the 5-hour cap
- Sonnet 5 aligned an early Opus 4.8 checkpoint
- Trained to reward hack, Hacker-Opus attacked real targets
- UK’s AI testing agency didn’t get Anthropic’s latest model
- Claude Tag takes the first pass at Anthropic’s CI alerts
- Claude Max’s 20x promise draws a class action
- ex-OpenAI Researcher Quits Anthropic over AI Safety Fears
- Claude Code 2.1.265 loads a whole folder of plugins
- Anthropic’s compute deals add up to $517B in 11 months
- Claude desktop teardown: MCP servers run outside the VM
- Anthropic walks away from the $6B Decart deal
- Usage details button spotted in Claude for iOS
- Claude Code began as a bet in Anthropic’s Labs incubator
- Claude Fable 5.1 cracks Urquhart’s Cyphral Distich
- 13 million lines of Lean back Claude’s Fermat proof
- Toolog keeps a forensic log of Claude Code tool calls
- Claude Fable 5.1’s “Never” rules pulled into one document
- Stemma compiles agent rules into CLAUDE.md and AGENTS.md
- Anthropic’s IPO slips to a listing just before midterms
- GPT-6 Astra edges past Claude Fable 5.1 on WebDev Arena
- Claude’s raw thinking never leaves the server
- Authors and publishers clash over $1.5B Anthropic deal
- Lamzouri publishes a simpler proof of Claude’s Theorem
- Claude Code under grith: 0.27% of calls reach a human
- Spotify’s shunt blocks Claude Code reads over 350 lines
- Context Engineering Kit adds judge agents to Claude Code
- The last of Wiedijk’s 100 theorems falls to Anthropic
- ccswitch juggles Claude Code accounts from one config
- Claude Code 2.1.261 prunes skills that eat context
- Claude Code’s changelog: fixes now outnumber features
- claude-sniff pauses Claude Code’s Bedrock invokes
- Gage scans Claude Code sessions for bugs the diff hides
- Claude’s PRs merge at 84%, one point under humans
- Slash commands are coming to Claude Code on iOS
- Claude Code 2.1.260 opens a live diff panel
- Show HN: Generate a Claude Code or Codex agent fleet from one HTML file
- claude-api-guard fails CI on broken Claude API calls
- A turn at 141 costs 2.1x a turn at 20 in Claude Code
- Claude Code cloud sessions can run on your own hosts
- Top Pentagon official reaffirms Anthropic blacklist despite Lutnick comments
- A $200bn Google finance machine for Anthropic, per the FT
- Claude’s system prompt bans lyrics and brand mascots
- A UK front company sourced 1,000+ Claude accounts a month
- Claude, ChatGPT and Grok broke the same morning
- Anthropic says Moonshot’s Kimi K3 was distilled from Claude
- AI Usage Ball shows Claude quota as liquid orbs on macOS
- Claude Code 2.1.259 hands MCP servers to the whole org
- Claude’s commerce blueprint ships two reference agents
- Claude Code stores MCP OAuth tokens in plaintext on Linux
- Computer use lands in Claude Cowork and Claude Code beta
- Claude’s file checker reads C2PA credentials
- 30-day retention is out for Anthropic’s enterprise users
- pairmark races Claude Code against Codex in your repo
- Fable 5.1 tops Artificial Analysis at 66, costs 20% more
- Claude Fable 5.1 errors out if you edit past turns
- Max effort adds nothing to Fable 5.1’s ARC-AGI-2 score
- Fable 5.1 becomes the default model in Claude Code 2.1.257
- Untrusted Git config can run code in Claude Code
- Claude Code Field Kit adds a tested Bash safety hook
- Cache reads get 75% cheaper on Claude Fable 5.1
- Oh My Subagents keeps Claude Code teams running
- Claude iOS shows a Max effort usage warning
- Anthropic paused high-risk AI testing
- Anthropic’s Claude watermark follows SynthID
- Config-drift-checker flags broken Claude Code skills
- Anthropic’s piracy chats enter music copyright case
- Claude Code 2.1.252 fixes Remote Control stalls
- Backdoored skills bypass Anthropic’s scanner
- Anthropic signs $35B Lambda cloud deal backed by Nvidia