devtake.dev — OpenAIArticles on devtake.dev covering OpenAI.https://devtake.dev/en-usClaude Fable 5 is Anthropic's first public Mythos-class model. It tops SWE-Bench Pro at 80.3%.https://devtake.dev/article/claude-fable-5-launch/https://devtake.dev/article/claude-fable-5-launch/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.Tue, 09 Jun 2026 18:55:00 GMTaiai-modelsanthropicclaudeclaude-mythosbenchmarksllmagentic-codingdieter-morelliOpenAI added a Lockdown Mode to ChatGPT to blunt prompt-injection attackshttps://devtake.dev/article/openai-lockdown-mode-prompt-injection/https://devtake.dev/article/openai-lockdown-mode-prompt-injection/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.Mon, 08 Jun 2026 10:15:00 GMTaiopenaiai-securityprompt-injectionllmai-agentsdieter-morelliOpenAI is putting Codex in every ChatGPT app, with six business plugins for non-codershttps://devtake.dev/article/openai-codex-chatgpt-everywhere/https://devtake.dev/article/openai-codex-chatgpt-everywhere/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.Wed, 03 Jun 2026 12:30:00 GMTaiopenaicodexchatgptai-agentsagentic-codingai-assistantautomationllmdieter-morelliClaude Opus 4.8 flags the bugs it writes four times more often than Opus 4.7https://devtake.dev/article/claude-opus-4-8-launch/https://devtake.dev/article/claude-opus-4-8-launch/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.Fri, 29 May 2026 07:20:00 GMTaiai-modelsanthropicclaudellmbenchmarksagentic-codingclaude-codeopus-4-7dieter-morelliDeepSeek locked in the 75% V4-Pro cut. The API now undercuts every Western frontier model.https://devtake.dev/article/deepseek-v4-pro-price-cut-permanent/https://devtake.dev/article/deepseek-v4-pro-price-cut-permanent/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.Sun, 24 May 2026 10:30:00 GMTaideepseekai-modelsllmanthropicopenaigeminiai-chipschinadieter-morelliKarpathy posted four notes about Claude Code. The CLAUDE.md they spawned has 110K GitHub stars.https://devtake.dev/article/karpathy-claude-md-github-trending/https://devtake.dev/article/karpathy-claude-md-github-trending/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.Fri, 22 May 2026 10:30:00 GMTaiandrej-karpathyclaude-codeclaudeai-agentsagentic-codingai-assistantgithubdev-toolsdieter-morelliAndrej Karpathy joined Anthropic. The OpenAI founding member's job: use Claude to train Claude.https://devtake.dev/article/karpathy-joins-anthropic-pretraining/https://devtake.dev/article/karpathy-joins-anthropic-pretraining/Karpathy started this week at Anthropic on Nick Joseph's pre-training team. His mandate is using Claude to accelerate Claude's own training.Thu, 21 May 2026 12:00:00 GMTaianthropicopenaiclaudeandrej-karpathyai-modelsllmpre-trainingai-talentdieter-morelliA federal jury took two hours to throw out Elon Musk's lawsuit against Sam Altman and OpenAI.https://devtake.dev/article/musk-openai-lawsuit-jury-verdict/https://devtake.dev/article/musk-openai-lawsuit-jury-verdict/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.Tue, 19 May 2026 10:15:00 GMTpolicypolicyopenaielon-musksam-altmanlawsuitmicrosoftai-governanceregulationclara-wexlerAnthropic bought Stainless, the startup that builds every official SDK for OpenAI and Google.https://devtake.dev/article/anthropic-acquires-stainless-sdk-toolchain/https://devtake.dev/article/anthropic-acquires-stainless-sdk-toolchain/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.Tue, 19 May 2026 09:45:00 GMTaianthropicstainlesssdkmcpclaudeapiagentic-codingdev-toolsdieter-morelliOpenAI's Codex moved into the ChatGPT mobile app. You can approve a diff from the train now.https://devtake.dev/article/openai-codex-chatgpt-mobile/https://devtake.dev/article/openai-codex-chatgpt-mobile/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.Fri, 15 May 2026 09:45:00 GMTaiopenaicodexchatgptai-agentsagentic-codingdev-toolsai-assistantclaude-codedieter-morelliCerebras priced its IPO at $185 and closed at $311. Andrew Feldman and Sean Lie became billionaires.https://devtake.dev/article/cerebras-ipo-debut-nasdaq/https://devtake.dev/article/cerebras-ipo-debut-nasdaq/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.Fri, 15 May 2026 09:30:00 GMThardwarecerebrasai-chipsipocustom-siliconai-infrastructurenasdaqopenaiamazonhiro-tanakaMicrosoft tested 19 LLMs as document editors. Even the best ones corrupted 25% of the content.https://devtake.dev/article/llms-corrupt-documents-delegation-errors/https://devtake.dev/article/llms-corrupt-documents-delegation-errors/The DELEGATE-52 benchmark tests AI editing across 52 professional domains. Frontier models corrupt a quarter of document content over long workflows.Sun, 10 May 2026 09:00:00 GMTaillmai-modelsbenchmarksmicrosoftdelegationvibe-codingdieter-morelliA judge killed DOGE's grant purge. The 'review process' was asking ChatGPT 'Is this DEI?'https://devtake.dev/article/doge-chatgpt-grants-ruling-illegal/https://devtake.dev/article/doge-chatgpt-grants-ruling-illegal/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.Sat, 09 May 2026 08:30:00 GMTpolicypolicyai-securityopenairegulationai-agentsnational-securityclara-wexlerApple is turning iOS 27 into an AI model marketplace. ChatGPT loses its exclusive slot.https://devtake.dev/article/apple-ios-27-rival-ai-models-choice/https://devtake.dev/article/apple-ios-27-rival-ai-models-choice/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.Sat, 09 May 2026 07:45:00 GMTappleappleapple-intelligencesiriios-27openaigooglegeminianthropicnaomi-parkTimothy Gowers gave GPT 5.5 an open math problem. It returned a novel proof in 17 minutes.https://devtake.dev/article/fields-medal-gowers-gpt-open-problems/https://devtake.dev/article/fields-medal-gowers-gpt-open-problems/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.Sat, 09 May 2026 07:30:00 GMTaiopenaillmai-modelsbenchmarksdieter-morelliA Michigan town voted against a $16B data center. The lawsuit was filed two days later.https://devtake.dev/article/michigan-openai-oracle-data-center-overruled/https://devtake.dev/article/michigan-openai-oracle-data-center-overruled/Saline Township rejected rezoning for a 1.4 GW OpenAI-Oracle data center. Related Digital sued in 48 hours, and construction is underway.Fri, 08 May 2026 09:15:00 GMTpolicydata-centersai-infrastructureopenaioraclepolicyenergymichiganstargateclara-wexlerGitHub Copilot's Claude Opus multiplier jumps to 27x on June 1. Monthly plans dodge the hike.https://devtake.dev/article/github-copilot-multiplier-hike-june-2026/https://devtake.dev/article/github-copilot-multiplier-hike-june-2026/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.Mon, 04 May 2026 10:45:00 GMTaigithub-copilotgithubai-agentspricingmicrosoftanthropicclaude-opusdev-toolsdieter-morelliAnthropic is fielding offers at a $900B valuation. The round closes in two weeks and tops OpenAI.https://devtake.dev/article/anthropic-900b-valuation-50b-round/https://devtake.dev/article/anthropic-900b-valuation-50b-round/Preemptive bids put Anthropic at $850B-$900B with a $50B raise. Run rate hit $30B in March, up from $9B at year-end 2025.Sat, 02 May 2026 09:45:00 GMTaianthropicclaudefundingvaluationopenaiai-modelsfinancedieter-morelliZed 1.0 ships its agentic editor. The Atom team's Rust rewrite finally has a stable label.https://devtake.dev/article/zed-1-0-rust-editor-launch/https://devtake.dev/article/zed-1-0-rust-editor-launch/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.Thu, 30 Apr 2026 09:30:00 GMTopen-sourcezedrustdev-toolsagentic-codingopen-sourcecursorcode-editorsai-assistantsoren-vanekSamsung Q1 profit hit 57.2 trillion won. Memory chips for Nvidia drove 93% of it.https://devtake.dev/article/samsung-q1-2026-record-ai-chip-profit/https://devtake.dev/article/samsung-q1-2026-record-ai-chip-profit/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.Thu, 30 Apr 2026 09:00:00 GMThardwaresamsunghbmai-chipsdramsemiconductornvidiamemoryai-infrastructurehiro-tanakaWarp's terminal is now open source. The cloud agent platform Oz is the actual product.https://devtake.dev/article/warp-terminal-open-source-agpl/https://devtake.dev/article/warp-terminal-open-source-agpl/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.Wed, 29 Apr 2026 09:15:00 GMTopen-sourcewarpopen-sourceopen-source-licensingagplterminalai-agentsopenaidev-toolssoren-vanekOpenAI's models are on AWS Bedrock the day after Microsoft lost exclusivityhttps://devtake.dev/article/openai-amazon-bedrock-managed-agents/https://devtake.dev/article/openai-amazon-bedrock-managed-agents/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.Wed, 29 Apr 2026 08:55:00 GMTaiopenaiamazonawsbedrockai-agentscodexsam-altmanai-infrastructuredieter-morelliGitHub Copilot kills premium requests on June 1. Token billing arrives, fallback models do not.https://devtake.dev/article/github-copilot-usage-based-billing/https://devtake.dev/article/github-copilot-usage-based-billing/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.Tue, 28 Apr 2026 11:00:00 GMTaigithub-copilotgithubai-agentspricingmicrosoftanthropicclaude-opusdev-toolsdieter-morelliMicrosoft and OpenAI just rewrote their deal. Exclusivity is dead, and so is the AGI clause.https://devtake.dev/article/microsoft-openai-deal-revenue-share-end/https://devtake.dev/article/microsoft-openai-deal-revenue-share-end/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.Mon, 27 Apr 2026 19:00:00 GMTaiopenaimicrosoftai-modelsazurellmai-infrastructureanthropicgpt-5-5dieter-morelliOpenAI just retired SWE-bench Verified. The headline coding benchmark of 2025 is officially saturated.https://devtake.dev/article/openai-retires-swe-bench-verified/https://devtake.dev/article/openai-retires-swe-bench-verified/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.Mon, 27 Apr 2026 10:00:00 GMTaiopenaiswe-benchbenchmarksai-modelsllmai-codingevaluationsclaude-opusdieter-morelliOpenAI's Privacy Filter is a 1.5B PII redactor that ships under Apache 2.0. Here's what it actually does.https://devtake.dev/article/openai-privacy-filter/https://devtake.dev/article/openai-privacy-filter/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.Sun, 26 Apr 2026 13:00:00 GMTaiopenaiprivacypiiopen-weightsai-modelsllmhugging-facedata-privacydieter-morelliCerebras files for an IPO again, this time with $510M in revenue and a $10B OpenAI deal in its pockethttps://devtake.dev/article/cerebras-ipo-filing/https://devtake.dev/article/cerebras-ipo-filing/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.Sat, 25 Apr 2026 08:30:00 GMThardwarecerebrasai-chipsiposemiconductornvidiaopenaicustom-siliconwafer-scalehiro-tanakaMalicious npm and PyPI packages turn dev servers into Chinese LLM proxieshttps://devtake.dev/article/gpt-proxy-npm-supply-chain/https://devtake.dev/article/gpt-proxy-npm-supply-chain/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.Sat, 25 Apr 2026 07:30:00 GMTsecuritysupply-chainnpmpypiai-securitymalwarellmchinacredential-theftluca-reinhardtDeepSeek V4 lands: 1.6T-param open MoE, 1M-token context, and SWE-bench within 0.2 of Opus 4.6https://devtake.dev/article/deepseek-v4-release/https://devtake.dev/article/deepseek-v4-release/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.Fri, 24 Apr 2026 21:30:00 GMTaideepseekdeepseek-v4llmai-modelsopen-weightsmoebenchmarksopen-sourcedieter-morelliOpenAI shipped GPT-5.5 seven weeks after 5.4. API tokens now cost twice as much.https://devtake.dev/article/openai-gpt-5-5-launch/https://devtake.dev/article/openai-gpt-5-5-launch/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.Thu, 23 Apr 2026 18:30:00 GMTaiopenaigpt-5-5chatgptcodexai-modelsapi-pricingllmagentic-aidieter-morelliOpenAI's Workspace Agents kill Custom GPTs and take the fight straight to Claude Codehttps://devtake.dev/article/openai-codex-workspace-agents/https://devtake.dev/article/openai-codex-workspace-agents/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.Thu, 23 Apr 2026 12:00:00 GMTaiopenaichatgptcodexworkspace-agentscustom-gptsai-agentsclaude-codeenterprise-aidieter-morelliGitHub Copilot paused new signups and kicked Opus out of Pro. Here's what actually changed.https://devtake.dev/article/github-copilot-pro-plan-changes/https://devtake.dev/article/github-copilot-pro-plan-changes/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.Wed, 22 Apr 2026 11:30:00 GMTaigithub-copilotanthropicmicrosoftclaude-opusai-agentspricingdev-toolsdieter-morelliCursor wants $50B for an AI editor that's burning cash on individualshttps://devtake.dev/article/cursor-50-billion-valuation-raise/https://devtake.dev/article/cursor-50-billion-valuation-raise/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.Sat, 18 Apr 2026 08:00:00 GMTaicursoranysphereai-codingfundingandreessen-horowitzclaude-codeopenai-codexdieter-morelliOpenAI's Codex now drives your Mac, not just your codehttps://devtake.dev/article/openai-codex-desktop-agent-expansion/https://devtake.dev/article/openai-codex-desktop-agent-expansion/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.Fri, 17 Apr 2026 10:30:00 GMTaiopenaicodexai-agentsmacclaude-codeanthropicatlasdieter-morelliGoogle Gemini finally has a Mac app, and it's gunning for ChatGPT's desktop leadhttps://devtake.dev/article/google-gemini-mac-app-desktop/https://devtake.dev/article/google-gemini-mac-app-desktop/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.Thu, 16 Apr 2026 09:00:00 GMTaigooglegeminimacdesktop-appchatgptclaudeai-assistantdieter-morelliOpenAI launches GPT-5.4-Cyber for defensive security, opens access to thousandshttps://devtake.dev/article/openai-gpt54-cyber-security-model/https://devtake.dev/article/openai-gpt54-cyber-security-model/OpenAI's new cybersecurity-tuned model can reverse-engineer binaries and analyze malware. It's restricted to verified defenders through the Trusted Access program.Thu, 16 Apr 2026 08:00:00 GMTaiopenaicybersecuritygpt-5-4claude-mythosdefensive-securityai-securitydieter-morelli