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The AI lab behind GPT and Codex. Based in San Francisco, partnered with Microsoft and in ongoing competition with Anthropic and Google DeepMind.

46 articles First covered Apr 16, 2026, latest Aug 3, 2026
An Alibaba Group office building with the company's orange logo sign above the entrance and cars parked outside.
AI·

Alibaba's Qwen3.8-Max beats Fable 5 on Terminal-Bench, and the weights go public next week

Qwen3.8-Max is a 2.4-trillion-parameter MoE that tops Claude Fable 5 on Terminal-Bench 2.1 and trails it badly on SWE-bench Pro. It's the first open Max-tier Qwen.

The GitHub social preview card for the openai/ten-proofs repository, described as Lean certificates accompanying proofs in mathematics and theoretical computer science, showing 386 stars and 35 forks.
AI·

Ten decade-old math problems fell to an unreleased OpenAI model, for about $2,000 of tokens each

OpenAI published ten results in math and theoretical CS from an internal build of Astra, with Lean 4 certificates for every proof. What that verification does and doesn't settle.

Tim Cook seated at a meeting table, smiling, during a visit to the European Commission
Apple·

Tim Cook says heavy Siri AI users may buy more compute on iCloud+. The plan isn't finished

On his final earnings call, Tim Cook said Apple will offer Siri AI upgrades through iCloud+ for heavy users. No price and no tier have been announced.

GitHub repository card for songquanpeng/one-api, the open-source LLM API management and distribution gateway that most relay services run on
AI·

Matt Lenhard found 49 relays reselling OpenAI and Anthropic tokens. The cheapest runs 97.8% below list.

Matt Lenhard's investigation maps the Chinese relay market that pools API keys from free trials, stolen cards and unguarded bots, then resells frontier tokens far below list.

A rack of servers in a data center, the kind of hardware Oracle's AI cloud buildout runs on
Policy·

Oracle cut 21,000 jobs in a year. Its own SEC filing names AI as a reason.

Oracle's headcount fell to about 141,000 as of May 31, down roughly 21,000 in a year. Its FY2026 10-K ties the cuts to AI while capex hit $55.7 billion.

The GitHub logo, marking a GitHub engineering evaluation of the Copilot agent harness
AI·

GitHub ran four frontier models through Copilot's harness. None won every task.

GitHub benchmarked Copilot's agent harness against Claude Code and Codex CLI on five tests. The token savings are real, and the best model depends on the task.

Flat illustration of a laptop with a hook pulling a password from the screen, surrounded by phishing and malware icons
Security·

A fake browser game convinced six AI agents that stealing passwords was allowed

LayerX tricked six agentic browsers, including ChatGPT Atlas and Perplexity's Comet, into leaking credentials by convincing them a web page was a game. Here's the attack class.

Sam Altman and Broadcom CEO Hock Tan holding a Jalapeño Intelligence Processor wafer mounted in an acrylic display
AI·

OpenAI built its own AI chip with Broadcom. The target is Nvidia's inference margins.

Jalapeño is OpenAI's first custom inference processor, co-designed with Broadcom. Here's what a purpose-built inference ASIC actually buys you, and who else is doing it.

Illustration for OpenAI's Daybreak security program and the GPT-5.5-Cyber model
AI·

OpenAI is now using GPT-5.5 to find and patch open-source bugs at scale

OpenAI's Daybreak push pairs the new GPT-5.5 default model with GPT-5.5-Cyber, a tool that finds, validates, and patches software flaws. Here's what it does and the catch.

Stainless developer-tools branding, the SDK-generation startup Anthropic acquired.
AI·

Anthropic bought Stainless, the SDK factory OpenAI and Meta also ran on

Anthropic acquired Stainless for a reported $300M and is winding down the hosted SDK generator that OpenAI, Meta, Google, and Cloudflare relied on.

Anthropic's announcement artwork for Claude Fable 5 and Claude Mythos 5, a soft gradient panel with the Claude wordmark.
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.

Abstract cybersecurity illustration of a glowing padlock over a circuit board, representing data protection
AI·

OpenAI added a Lockdown Mode to ChatGPT to blunt prompt-injection attacks

OpenAI shipped Lockdown Mode in ChatGPT to cut off the data-exfiltration step of prompt-injection attacks. Here's what it actually restricts and who should turn it on.

OpenAI's Codex branding over a code background, illustrating Codex expanding across the ChatGPT app.
AI·

OpenAI is putting Codex in every ChatGPT app, with six business plugins for non-coders

On June 2 OpenAI said Codex is coming to the ChatGPT app everywhere within weeks, and shipped six role-specific plugins for sales, analytics, design, and finance teams.

Anthropic's announcement artwork for Claude Opus 4.8, a soft gradient panel with the Claude wordmark.
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.

DeepSeek social card with the company's wordmark on a navy background
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.

Portrait of Andrej Karpathy, whose January 26 X thread on agentic coding was distilled into the viral CLAUDE.md file.
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.

Diagram of an artificial neural network with input, hidden, and output layers
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.

Elon Musk speaking at the World Economic Forum.
Policy·

A federal jury took two hours to throw out Elon Musk's lawsuit against Sam Altman and OpenAI.

On May 18 a nine-juror panel rejected every claim Musk filed against OpenAI in 2024. Judge Yvonne Gonzalez Rogers had told the courtroom she was ready to dismiss on the spot.

Anthropic announcement card with node shapes on coral background.
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.

OpenAI's Codex inside the ChatGPT mobile app, showing a Codex review on a phone screen.
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.

Cerebras corporate site Open Graph card.
Hardware·

Cerebras priced its IPO at $185 and closed at $311. Andrew Feldman and Sean Lie became billionaires.

Cerebras raised $5.55 billion on May 14 and closed its first day at a $95 billion market cap. The wafer-scale AI chip maker shipped the year's biggest tech IPO.

The DELEGATE-52 project repository on GitHub, showing Microsoft's benchmark for testing LLM document editing fidelity
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.

Illustration representing DOGE and government technology
Policy·

A judge killed DOGE's grant purge. The 'review process' was asking ChatGPT 'Is this DEI?'

A federal judge restored $100M+ in grants after two DOGE staffers used ChatGPT to flag 97% of NEH grants as DEI, including an HVAC repair and Holocaust research.

An iPhone displaying AI-related features
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.

A mathematics lecture hall with equations on blackboards
AI·

Timothy Gowers gave GPT 5.5 an open math problem. It returned a novel proof in 17 minutes.

The 1998 Fields Medal winner reports GPT 5.5 Pro produced a novel proof for an unsolved math problem in 17 minutes, and says the era of owning theorems is ending.

Aerial view of farmland where a data center project is planned
Policy·

A Michigan town voted against a $16B data center. The lawsuit was filed two days later.

Saline Township rejected rezoning for a 1.4 GW OpenAI-Oracle data center. Related Digital sued in 48 hours, and construction is underway.

Stylized GitHub Copilot mascot melting into glowing puddles in front of a wall of flames — a visual metaphor for the steep multiplier hike on annual plans.
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.

Anthropic CEO Dario Amodei photographed at Bloomberg House during the World Economic Forum.
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.

The Zed 1.0 launch graphic in dark mode with the Zed wordmark and a stylized cursor.
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.

Close-up of integrated-circuit packages on a circuit board, illustrating the memory and SoC products driving Samsung's chip results.
Hardware·

Samsung Q1 profit hit 57.2 trillion won. Memory chips for Nvidia drove 93% of it.

Samsung Electronics posted record Q1 2026 results on April 30: 133.9 trillion won revenue and 57.2 trillion won operating profit. Semiconductors did 93% of the work.

Warp terminal product screenshot from the company's website.
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.

AWS marketing illustration of an interconnected machine-learning workflow.
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.

GitHub Octocat mark on a dark gradient, the cover graphic on the GitHub Blog post announcing the Copilot billing change.
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.

Microsoft and OpenAI logos paired on a navy gradient backdrop.
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.

OpenAI just retired SWE-bench Verified. The headline coding benchmark of 2025 is officially saturated.
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.

A padlock chained to a smartphone displaying a lock icon, illustrating data privacy.
AI·

OpenAI's Privacy Filter is a 1.5B PII redactor that ships under Apache 2.0. Here's what it actually does.

OpenAI released Privacy Filter on April 22 as an open-weight on-device model for masking eight types of PII. F1 of 96%. Runs in a browser. Here's the catch.

Cerebras Systems brand image from the Cerebras website.
Hardware·

Cerebras files for an IPO again, this time with $510M in revenue and a $10B OpenAI deal in its pocket

Cerebras filed an S-1 on April 17 listing as 'CBRS,' targeting roughly $23B at the prior private mark. The OpenAI inference deal is the line item that changed the story.

Aikido Security illustration of the GPT-Proxy backdoor.
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.

DeepSeek social card from the V4 API documentation release post.
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.

OpenAI's GPT-5.5 model launch with ChatGPT and Codex interfaces
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.

OpenAI workspace agents launch graphic
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.

GitHub Copilot announcement cover graphic
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.

Anysphere founder Michael Truell, the CEO behind the Cursor AI code editor
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.

Screenshot of the updated OpenAI Codex Mac app with background computer-use panel
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.

Google Gemini app running on a Mac desktop showing the mini chat interface
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.

Abstract visualization of cybersecurity and AI defense systems
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.