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Founder & Editor-in-Chief

Shajanthan Yogeswaran

Founder and editor-in-chief of 9to5AI, the AI & tech publication. Writes about AI models, agents, developer platforms, research and the companies shaping the AI industry, with a focus on making complex developments clear, useful and accessible.

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By Shajanthan Yogeswaran

Models · NewsGemini 4 Carbon: $2/$10 at launch, then $4/$20, but only cyber defenders get it for nowGemini 4 Carbon, announced by Google on October 28, 2026, will launch at Argon's $2/$10 introductory price per million tokens, then $4/$20. For now it goes only to a subset of cyber defenders through Fairwind, with no public release date, model ID or model card.Oct 29·6 min read

Models · ExplainerGemini 4 Carbon vs Claude Opus 5.5 vs GPT-6.1 Sol: price, context, access and benchmarks (October 2026)Gemini 4 Carbon vs Opus 5.5 vs GPT-6.1 Sol, on official prices, context limits and access as of October 29, 2026, plus the shared benchmarks: Artificial Analysis scores them 59, 58 and 55. Carbon isn't on sale yet.Oct 29·9 min read

Industry · NewsAlphabet Q3 2026 earnings: $51.4 billion of capex, Google Cloud up 103%, a 1 billion-user Gemini app and $195–205 billion guidance unchangedAlphabet's Q3 2026 earnings, reported October 28, 2026: revenue of $127.6 billion, Google Cloud revenue up 103% to $30.7 billion, $51.4 billion of capital spending in the quarter and an unchanged 2026 capex range of $195–205 billion. Pichai said the Gemini app reached 1 billion users and Cloud's backlog was $561 billion.Oct 29·6 min read

Industry · NewsMicrosoft earnings: AI capex of $45.2 billion, Azure up 48%, and a 2026 spending view trimmed to about $170 billionMicrosoft's earnings for the September quarter, reported October 28, 2026: revenue of $92.3 billion, Azure growth of 48%, AI capex of $45.2 billion including finance leases, and a calendar 2026 spending view of about $170 billion after third-party capacity delays. What Microsoft said about OpenAI and its buyout offer.Oct 29·6 min read

Research · BenchmarksArtificial Analysis Intelligence Index v5: 60% private tests, three evaluations dropped, and Gemini 4 Carbon on top at 59Artificial Analysis Intelligence Index v5, launched October 27, 2026, rebuilds the index around nine evaluations, 60% of them with private test sets. Claude Opus 5.5 led at 58 until Gemini 4 Carbon scored 59 the next day. What changed, who leads, and why older scores don't compare.Oct 29·8 min read

Policy · NewsReligious exemption from AI: a University of Kentucky employee, a humanist, was excused from using AI at work. What's known, and what Title VII saysA religious exemption from AI at work: the American Humanist Association says the University of Kentucky agreed on September 25, 2026 that research administrator David Durman, a humanist, need not personally use AI. It was an internal accommodation, not a court ruling. What's known, and how Title VII and Groff v. DeJoy apply.Oct 29·6 min read

Research · BenchmarksAI agents tax benchmark: Surge AI's Dayjob: Tax finds the top agent passes 10.8% of attempts on 50 professional tax assignmentsSurge AI's Dayjob: Tax, an AI agents tax benchmark published October 27, 2026, gave 16 models 50 expert-built tax assignments. Claude Sonnet 5.5 led with a 10.8% pass rate; four models passed 0.4% or less. An LLM judge graded the work against expert rubrics, and only 2 of the 50 tasks are public.Oct 29·9 min read

Hardware · ExplainerMac Studio M5 Ultra 512GB: reported at $22,299, with 1.2TB/s of bandwidth, and which of the biggest open models actually fitThe Mac Studio M5 Ultra with 512GB of unified memory went on sale on October 28, 2026, at $22,299 according to MacRumors and Cult of Mac. What 512GB and 1.2TB/s mean for running the biggest open models locally: Reflection Beam fits at 4-bit, DeepSeek V4.1 Flash barely does, and Kimi K3.1 needs several machines.Oct 29·8 min read

Developers · ExplainerCursor Agent SDK explained: agents as a folder of code, no separate price, and how it differs from the Claude Agent SDK and OpenAI's Agents SDKCursor's Agent SDK, generally available since October 20, 2026, lets teams define an agent as a folder of Markdown and TypeScript, test it with evals and deploy it to Cursor or their own servers. Cursor publishes no separate price for it. Here's what it is, what it costs, and how it compares with the Claude Agent SDK and OpenAI's Agents SDK.Oct 29·8 min read

Products · AnalysisSteam's AI-generated games policy, and what Valve, Microsoft and Epic actually said about AI clones, 'AI slop' and the 'AI is theft' fightSteam's AI-generated games policy asks developers to disclose AI content that ships in a game or is generated while it runs; tools used only for efficiency don't count. One count puts a third of 2026 Steam releases under that label. What Valve told developers worried about AI clones on October 27, 2026, and why Kotaku argues Microsoft and Epic now treat AI copies of their games as theft.Oct 29·8 min read

Developers · AnalysisStack Overflow questions per month: the 'fewer than 1,000' claim, what the data query counts, and what Stack Overflow says about AIA Hacker News post on October 28, 2026 said Stack Overflow now gets fewer than 1,000 questions a month, citing a Stack Exchange Data Explorer query. The official Stack Exchange API counts 969 in September 2026. Here's what that kind of count includes and leaves out, why the latest month can look lower than it is, what earlier reports said, and what Stack Overflow's own survey says about AI.Oct 29·9 min read

Products · NewsGoogle AI and the 2020 election: AI Mode in the US pointed users to official records instead of naming Biden, and Google says it's 'working to address it'Google AI and the 2020 election: on October 28, 2026, Fast Company and TheWrap reported that Google Search's AI Mode in the US wouldn't name the winner and pointed to the FEC and National Archives, while the Gemini app answered. Google says it's working to address it. Biden won, with 306 electoral votes.Oct 29·6 min read

Open source · NewsNemotron 3.5 Transcribe: Nvidia's open speech recognition model covers 40 languages under OpenMDW, with about 4B active parametersNemotron 3.5 Transcribe, released by Nvidia on Hugging Face on October 28, 2026, is an open-weight speech recognition model for 40 languages under the OpenMDW-1.1 license. It activates about 4B parameters per token, runs on a single Nvidia GPU and handles recorded audio, not live streams. Nvidia's word error rates are vendor-reported.Oct 29·6 min read

Research · AnalysisQwenputer: a developer compiled a RISC-V CPU into Qwen3.5-4B's weights, with no training, and says it runs 18 million instructions without an errorQwenputer is Qwen3.5-4B with a 32-bit RISC-V CPU compiled directly into 11 extra layers, using the model's Gated DeltaNet memory as RAM. Developer Divyansh Agrawal says no weights were trained, the CPU passes the official RISC-V tests, and Qwen can call it as a tool for exact arithmetic. What was built, how, what 'deterministic' means and the limits.Oct 29·7 min read

Products · ExplainerDoes Claude train on your data? Yes on Free, Pro and Max if Model Improvement is on; no by default on Team, Enterprise and the APIDoes Claude train on your data? On Free, Pro and Max, Anthropic trains on your chats and Claude Code sessions when the Model Improvement setting is on, and keeps that data up to five years. Team, Enterprise and the API aren't used for training by default. Every plan, the setting, the exceptions and how long data is kept.Oct 29·8 min read

Models · NewsGenie 4: Google DeepMind's world model adds audio and live steering, but it's trusted testers only, with no price yetGenie 4, announced by Google DeepMind on October 27, 2026, generates interactive worlds with sound, dialogue and text-prompt edits in real time. It's a research preview for trusted testers; Google AI Ultra subscribers can join a waitlist for Project Genie, and no price, resolution or frame rate has been published.Oct 29·6 min read

Policy · NewsOpenAI lawsuit over epilepsy death: parents allege ChatGPT coached their daughter off her seizure medicationAn OpenAI lawsuit over an epilepsy death was filed on October 27, 2026: the parents of Bowen Wan, 31, allege ChatGPT running GPT-4o guided her to taper off her anti-seizure medication and hide it from her doctors. What the suit alleges, the claims, and what OpenAI has said.Oct 29·5 min read

Policy · NewsBan the term 'artificial intelligence': what Trump posted on October 27, and what the September order already doesTrump says he will ban the term 'artificial intelligence': in an October 27, 2026 Truth Social post, he said the administration would 'in short order' be 'officially BANNING the term.' No new order had followed as of October 29. A September 29 executive order already tells federal agencies to say 'Super Intelligence' instead.Oct 29·4 min read

Industry · NewsAnthropic government discount: 40% off Claude Enterprise, Claude for Government and the API through GSA's OneGovAnthropic's government discount, announced October 27, 2026, gives agencies 40% off Claude Enterprise, Claude for Government and the Claude API through GSA's OneGov program, including state, local, tribal and territorial governments. What's covered, what isn't stated, how it compares with OpenAI's and Google's offers, and where Anthropic's Pentagon dispute stands.Oct 29·6 min read

Industry · NewsAnthropic Mithril acquisition: Anthropic buys a one-person muscular dystrophy startup and starts its own drug programsThe Anthropic Mithril acquisition, disclosed on October 27, 2026, brings a one-person rare-disease startup in house as Anthropic starts drug discovery of its own. What Mithril is, what Anthropic's 'early progress' post claims from six drug-development partners, and what's still undisclosed.Oct 29·6 min read

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