AI·
Claude Fable 5 is Anthropic's first public Mythos-class model. It tops SWE-Bench Pro at 80.3%.
Claude Fable 5 hits 80.3% on SWE-Bench Pro and ships on Bedrock and Copilot at $10/$50 per million tokens, free on paid plans only through June 22.
Company
Anthropic
RSSThe San Francisco AI lab behind the Claude model family and Mythos Preview. Founded by former OpenAI researchers. Major Amazon and Google partner.
55 articles
First covered Apr 15, 2026, latest Jun 9, 2026
Policy·
Anthropic is sending Mythos 5, the model it called too dangerous, to cyberdefenders and the US government
Mythos 5 is the same model as Fable 5 with cyber safeguards lifted, going to Project Glasswing defenders and, Anthropic says, ~150 orgs across 15+ countries.
AI·
Claude Opus 4.8 flags the bugs it writes four times more often than Opus 4.7
Anthropic's Opus 4.8 posts 69.2% on SWE-Bench Pro, lets code flaws slip 4x less often, and ships parallel subagents in Claude Code. Here's what matters.
AI·
Uber blew its entire 2026 AI coding budget in four months. Its COO can't prove it paid off.
Uber exhausted its full-year Claude Code budget by April. Adoption hit 84%, heavy users burn $2,000 a month, and COO Andrew Macdonald can't connect the spend to shipped features.
AI·
DeepSeek locked in the 75% V4-Pro cut. The API now undercuts every Western frontier model.
On May 23 DeepSeek told customers the V4-Pro discount becomes its standard price after May 31. Output drops from $3.48 to $0.87 per million tokens.
AI·
Microsoft is canceling Claude Code for its engineers. They have until June 30 to switch to Copilot CLI.
Internal Claude Code licenses end June 30, 2026, for Microsoft's Experiences + Devices group. Engineers move to GitHub Copilot CLI instead.
AI·
Anthropic's Glasswing logged 10,000 vulnerabilities in a month. Most are still waiting on a patch.
Anthropic says Project Glasswing's first month produced over 10,000 critical-and-high-severity vulns. Verification and patching is the limiting step.
AI·
Karpathy posted four notes about Claude Code. The CLAUDE.md they spawned has 110K GitHub stars.
Forrest Chang turned Andrej Karpathy's January coding thread into a 70-line CLAUDE.md. It now has 110,000+ stars and has trended on GitHub for 28 weeks.
AI·
Andrej Karpathy joined Anthropic. The OpenAI founding member's job: use Claude to train Claude.
Karpathy started this week at Anthropic on Nick Joseph's pre-training team. His mandate is using Claude to accelerate Claude's own training.
AI·
SpaceX's S-1 revealed who's paying for Colossus. Anthropic just locked in $45B through 2029.
Anthropic is paying SpaceX $1.25 billion a month for Colossus 1 and 2 capacity. The contract runs through May 2029 and books about 83% of SpaceX's revenue.
Security·
A bad command-line parser turned every claude-cli:// link into a remote shell
Joernchen of 0day.click found a deeplink RCE in Claude Code. Anthropic shipped the fix in 2.1.118 the same week.
AI·
Anthropic bought Stainless, the startup that builds every official SDK for OpenAI and Google.
Anthropic announced May 18 it acquired SDK generator Stainless, reportedly for over $300M. The same toolchain still powers OpenAI's, Google's, and Cloudflare's official clients.
AI·
OpenAI's Codex moved into the ChatGPT mobile app. You can approve a diff from the train now.
OpenAI shipped Codex remote control inside the ChatGPT app for iPhone, iPad, and Android on May 14. Pair via QR; the agent runs on your laptop, the review moves to your phone.
Open Source·
Bun's million-line Rust rewrite is now mainline. 99.8% of tests pass and 13,000 unsafe blocks remain.
Jarred Sumner merged the Bun-in-Rust PR on May 14, ending Zig as Bun's runtime language. Binary shrinks 3-8 MB; one analysis counted 13,000 unsafe blocks.
AI·
Anthropic shipped Claude for Small Business with 15 prebuilt agents. Daniela Amodei is pitching the corner-store owner.
Anthropic announced Claude for Small Business on May 13 with QuickBooks, HubSpot, Canva, and DocuSign hooks. The pitch: 15 ready-to-run agents and a 10-city tour.
AI·
Airbnb says AI writes 60% of its new code. Nobody has explained what that means.
Brian Chesky dropped the 60% figure on an earnings call without defining how Airbnb measures it. Google claims 75%. The independent average is 27%.
Open Source·
Jarred Sumner rewrote 960,000 lines of Bun from Zig to Rust in six days. He might throw it all away.
Bun's creator used Claude to port the JavaScript runtime from Zig to Rust, hitting 99.8% test compatibility. He says there's a 'very high chance' it gets scrapped.
AI·
Chinese proxy networks sell Claude API access at 90% off. They harvest every prompt that passes through.
A ChinaTalk investigation reveals how 'transfer stations' resell Anthropic API access using stolen credentials, model substitution, and prompt harvesting.
AI·
Microsoft tested 19 LLMs as document editors. Even the best ones corrupted 25% of the content.
The DELEGATE-52 benchmark tests AI editing across 52 professional domains. Frontier models corrupt a quarter of document content over long workflows.
Apple·
Apple is turning iOS 27 into an AI model marketplace. ChatGPT loses its exclusive slot.
Bloomberg reports Apple will let users choose Gemini, Claude, or ChatGPT across Siri, Writing Tools, and Image Playground via a new Extensions framework this fall.
AI·
Anthropic doubled Claude Code's limits by renting 220,000 GPUs from xAI
Anthropic doubled Claude Code's 5-hour limits, killed peak-hours throttling, and raised Opus API tiers. The capacity comes from xAI's Colossus 1, via a SpaceX deal.
AI·
GitHub Copilot's Claude Opus multiplier jumps to 27x on June 1. Monthly plans dodge the hike.
GitHub's new model multiplier table for Copilot Pro and Pro+ annual plans lands June 1. Opus 4.6 goes 3 to 27. Sonnet 4.6 goes 1 to 9.
AI·
Anthropic is fielding offers at a $900B valuation. The round closes in two weeks and tops OpenAI.
Preemptive bids put Anthropic at $850B-$900B with a $50B raise. Run rate hit $30B in March, up from $9B at year-end 2025.
AI·
Anthropic just dropped its Claude Code workshop tapes. The playbook is better than the marketing.
Boris Cherny on Claude Code, Applied AI on prompting, Erik Schluntz on vibe coding in prod. Three Code with Claude tapes hit YouTube ahead of the 2026 conference.
Open Source·
Zed 1.0 ships its agentic editor. The Atom team's Rust rewrite finally has a stable label.
Zed Industries shipped 1.0 on April 29 after five years of Rust and GPU work. Free forever for humans, with $10/month hosted AI and an open Agent Client Protocol.
Open Source·
Warp's terminal is now open source. The cloud agent platform Oz is the actual product.
Warp released its 36k-star Rust client on GitHub under AGPLv3 on April 28. OpenAI is the founding sponsor and Oz keeps the bills paid.
AI·
OpenAI's models are on AWS Bedrock the day after Microsoft lost exclusivity
Amazon shipped Bedrock Managed Agents powered by OpenAI on April 28, plus Codex on Bedrock. Altman tells Stratechery the runtime matters as much as the model.
AI·
Disney built an AI leaderboard. One employee called Claude 460,000 times in nine days.
Leaked internal Disney screenshots show 4,800 product and tech staff burning 3.1 billion Claude tokens and 13.3 billion Cursor tokens across nine April workdays.
AI·
GitHub Copilot kills premium requests on June 1. Token billing arrives, fallback models do not.
On June 1 every Copilot plan switches to GitHub AI Credits priced per token. Code completions stay free. Fallback models and credit rollover do not.
AI·
Microsoft and OpenAI just rewrote their deal. Exclusivity is dead, and so is the AGI clause.
Microsoft loses exclusive rights to OpenAI's models. The revenue share now caps at 2030 and stops depending on AGI. Here's what actually changed and who it benefits.
Open Source·
Arcee's Trinity-Large-Thinking is a 399B open MoE that costs 96% less than Opus
Arcee released Trinity-Large-Thinking on April 1: a 399B-param sparse MoE with 13B active, Apache 2.0 weights, $0.88 per million output tokens, and PinchBench just behind Opus 4.6.
AI·
OpenAI just retired SWE-bench Verified. The headline coding benchmark of 2025 is officially saturated.
OpenAI says SWE-bench Verified is saturated and contaminated, and 60% of remaining problems are unsolvable. Here's what comes next, and why every coding leaderboard is suspect.
AI·
A Discord group guessed Anthropic's URL pattern and walked into Claude Mythos
Bloomberg reports a small group accessed Anthropic's locked-down Mythos model the same day it launched, using credentials from a third-party contractor and educated URL guessing.
Security·
Malicious npm and PyPI packages turn dev servers into Chinese LLM proxies
Aikido found a stage-2 Go binary inside two health-check-themed packages that runs an OpenAI-compatible router routing Claude, GPT, and Gemini traffic through Chinese aggregators.
AI·
DeepSeek V4 lands: 1.6T-param open MoE, 1M-token context, and SWE-bench within 0.2 of Opus 4.6
DeepSeek shipped V4-Pro and V4-Flash under MIT on April 24. V4-Pro hits 80.6% on SWE-bench Verified. V4-Flash is $0.14 in / $0.28 out.
AI·
Google is putting up to $40B into Anthropic. That's five days after Amazon's $5B.
Google committed $10B upfront and up to $40B total at a $350B valuation, plus five gigawatts of Google Cloud capacity. It's Anthropic's second nine-figure deal in a week.
AI·
Anthropic admits three Claude Code bugs quietly tanked quality for six weeks
Anthropic's April 23 postmortem names three bugs that degraded Claude Code between March 4 and April 20. Usage limits are being reset for every subscriber.
Security·
Bitwarden CLI got backdoored for 90 minutes. The worm calls itself 'Shai-Hulud: The Third Coming.'
A malicious @bitwarden/cli@2026.4.0 hit npm on April 22. The payload steals npm tokens, cloud secrets, and Claude Code credentials, then self-replicates.
AI·
OpenAI shipped GPT-5.5 seven weeks after 5.4. API tokens now cost twice as much.
OpenAI released GPT-5.5 (codename Spud) on April 23. The API runs at $5/$30 per million tokens, double GPT-5.4, with Pro at $30/$180.
AI·
OpenAI's Workspace Agents kill Custom GPTs and take the fight straight to Claude Code
Workspace Agents for ChatGPT Business, Enterprise, Edu, plus Teachers launched April 22. Team-shared, cloud-run, Codex-powered. Free until May 6, then credit-based.
Hardware·
Google splits its AI chip: the TPU 8t trains, the TPU 8i serves, and Axion handles the rest
At Cloud Next 2026, Google unveiled TPU 8t and TPU 8i, an 8th-generation split that matches Nvidia on agentic inference. Ironwood hit GA the same day.
Open Source·
Mozilla fixed 271 Firefox bugs that Claude Mythos found. Its own tests caught 22.
Firefox 150 shipped Monday with 271 security fixes from Anthropic's Project Glasswing. Mozilla CTO Bobby Holley says Mythos matches elite human researchers.
AI·
GitHub Copilot paused new signups and kicked Opus out of Pro. Here's what actually changed.
GitHub froze Copilot Pro/Pro+/Student signups on April 20 and moved Claude Opus 4.7 behind the $39 Pro+ tier. Agent workflows broke the old math.
AI·
Amazon puts another $5B into Anthropic. Anthropic promises $100B back to AWS.
Amazon added $5B (up to $20B) to its Anthropic stake. Anthropic committed $100B+ to AWS over 10 years and 5 GW of Trainium capacity.
AI·
NSA is running Anthropic's Mythos. The Pentagon says Anthropic is a supply-chain risk.
Axios reports the NSA is using Anthropic's unreleased Mythos model even though the Defense Department has blacklisted Anthropic. One government, two positions.
Security·
Vercel got breached through a third-party AI tool's OAuth app. Here's what leaked.
A Context.ai compromise let attackers take over a Vercel employee's Google Workspace. Non-sensitive env vars were exposed, and a ShinyHunters persona is asking $2M.
AI·
Anthropic shipped Claude Design. Figma stock dropped 7% the same day.
Anthropic launched Claude Design on April 17, a prompt-to-prototype tool that exports to Canva, not Figma. Figma's stock closed down 7% on the same day.
AI·
Cursor wants $50B for an AI editor that's burning cash on individuals
Cursor is in talks to raise $2B at a $50B valuation, nearly double its September mark. Revenue is up, but it's still losing money per indie seat.
AI·
OpenAI's Codex now drives your Mac, not just your code
OpenAI shipped a Codex update that can pilot desktop apps with a cursor, generate images in-line, and run parallel agents. It's the opening move in a real Claude Code fight.
AI·
Qwen 3.6-35B-A3B: the open MoE beating Opus 4.7 on Simon Willison's laptop
Alibaba's Qwen 3.6-35B-A3B is a 35B-param mixture-of-experts with only 3B active. Apache 2.0, runs on consumer GPUs, and it's already winning real tasks.
AI·
Claude Opus 4.7 is here, and the long-context benchmarks got worse
Anthropic's Opus 4.7 is state-of-the-art on SWE-bench and CursorBench, but independent tests show regressions on long-context retrieval and thematic reasoning.
Apple·
Apple is sending 200 Siri engineers to an AI coding bootcamp. That tells you everything.
A report from The Information reveals Apple is retraining Siri staff on AI tools like Claude Code. With WWDC two months away, Apple's AI gap has never been more visible.
AI·
Google Gemini finally has a Mac app, and it's gunning for ChatGPT's desktop lead
Google shipped a native Swift Gemini app for macOS with screen sharing, voice, and Deep Research. Here's what it does, what it doesn't, and how it stacks up.
AI·
OpenAI launches GPT-5.4-Cyber for defensive security, opens access to thousands
OpenAI's new cybersecurity-tuned model can reverse-engineer binaries and analyze malware. It's restricted to verified defenders through the Trusted Access program.
AI·
Claude Code Routines: what they actually do, and when to use them over GitHub Actions
Anthropic just shipped Routines: Claude Code sessions as cron jobs, webhooks, and GitHub-event reactors. Here's what they replace, what they don't, and one rule to follow.