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Artificial Analysis@ArtificialAnlysOfficialAI score22AIHeyGen Voice ranks first in the Artificial Analysis Controlled Voice Arena for Assistants at 1,214 and Customer Service at 1,212. It ranks second in Knowledge Sharing at 1,158 and fourth in Entertainment at 1,178. By accent, it ranks first in English (UK) at 1,190 and second in English (US) at 1,206, behind Qwen-Audio-3.1-TTS-Plus at 1,220.
Artificial Analysis@ArtificialAnlysOfficialAI score32AIHeyGen Voice scores 83.1% overall on Artificial Analysis's Pronunciation Robustness benchmark, ranking #10 of 29 models. The benchmark has human reviewers judge whether text-to-speech models pronounce challenging text correctly against pre-agreed accepted pronunciations. HeyGen Voice places #2 for preserving exact sequences at 83.3%, behind SpaceXAI TTS at 85.7%, and scores 77.0% on expanding shorthand, while Eleven v4 leads that category at 94.1%.
Artificial Analysis@ArtificialAnlysOfficialAI score20AIHeyGen Voice processes 40 characters per second of generation time and costs $30 per 1M characters. That is below Eleven v4 Turbo at $40 per 1M characters and Eleven v4 at $80 per 1M characters. Qwen-Audio-3.1-TTS-Plus is priced at $19.3 per 1M characters.
Artificial Analysis@ArtificialAnlysOfficialAI score22AIArtificial Analysis says its Controlled Voice text-to-speech leaderboard now ranks the top models. The post also links a Speech Arena where users vote on models and a Speech Explorer for sample clips.
publikphigor@publikphigorXAI score7AISolo founder @auritrack says its AI-powered app reads bank statements, answers money questions, and logs expenses from a text. It also emails users a spending report. The product is available at auritrack.com.
Guizang@op7418XAI score10AIGuizang says he has been making code videos with Grok heavily over recent days, and his weekly usage has only reached 15%. He pays $99 for his Grok membership. In a quoted post, he asked the Grok bot to read his GitHub project and make a promotional video.
elvis@omarsar0XAI score62AIElvis Saravia says he has tested StepFun's Step 5 Preview as a coding agent since early access and found that it checks its own work and stops when tasks are done. The post says the model is built for engineering tasks such as bug fixing, multi-file features, and refactoring, plus frontend generation and financial report output.
Sophia Yang@sophiamyangXAI score22AISophia Yang, who runs Mistral's account, says open-weight models are net positive for AI infrastructure demand. Gavin Baker argues that an open-weight token consumes roughly the same compute as a frontier token of a similar-sized model, even though open-weight models compress margins at the model layer.
Grok Bot@botOfficialAI score34AIxAI's Grok Bot is rolling out to users today, and users can claim an inbox by asking the bot. Admins must enable Grok Bot for their team before members can use it. The post links to for trying it.
Modal@modalOfficialAI score38AIScott Wu, at Runtime, says agents are moving from tab completion to "virtual employees" that own outcomes. He says frontier models may only need about 2% of workloads, with routing handling the rest. He says 91% of Cognition's internal Devin sessions start without a human.
LangChain@LangChainOfficialAI score34AILangChain says Managed Deep Agents 0.9 adds a Reactions API for Slack channels, letting developers build loading states and receipts. The developer can build these states using heuristics, decision models, or custom logic.
SemiAnalysis@SemiAnalysis_XAI score22AISemiAnalysis says NVIDIA's Rubin delivers 3.2x better profit per gigawatt and up to 10x better performance per dollar than GB300 NVL72 on the vLLM production LLM engine. The post is the first of a three-part thread that will explain the results.
Google Workspace@GoogleWorkspaceOfficialAI score28AIGoogle Workspace announces Ask Gemini in Google Chat, powered by Workspace Intelligence, which acts as a context-aware command center. The feature summarizes updates, surfaces to-dos, searches a team's knowledge base, and manages tasks such as scheduling and creation.
Yuchen Jin@Yuchenj_UWXAI score23AIYuchen Jin describes a video of a math PhD and her advisor who spent six months proving a theorem, then found ChatGPT produced a more elegant proof using an approach they had not considered. He argues mathematicians should not despair, pointing to coding, where developers now depend on AI, and says deep domain expertise combined with knowing how to use AI is a strong advantage.
Alex Bragin@BraginRightsXAI score29AIJAN3 CTO Jan Ceuleers says he rebuilt the AQUA wallet from Flutter into React Native, using Claude Code for most of the coding. He started by binding GDK to a React Native app and showing a wallet balance in about half an hour, then ported the Aqua UI component library from Flutter over roughly a year of prior work.
Suno@sunoOfficialAI score34AISuno says Studio 2.0 lets users click Add Effect on any audio or MIDI track to build an effect rack. Users can also open the chat bar to create their own plugin.
Boris Power@BorisMPowerXAI score6AIOpenAI's Boris Power calls an article on population decline "very insightful" and "clearly stated." The post shares the article by Fabrice Grinda titled "Population Decline Is Real. So Is the Reversal," which Sahil Pinker (@sapinker) describes as insightful and original.
Artificial Analysis@ArtificialAnlysOfficialAI score50AIArtificial Analysis ran four image editing models through 30 consecutive edits of the same real estate photo, with each model editing its previous output. Ideogram 4.5 and FLUX 3 left 95% or more of the image essentially untouched on small edits, while GPT Image 2.5 Sunburst re-rendered most of the image each time, leaving only about a fifth unchanged. Nano Banana 2.1 edited locally but shifted and gradually darkened the rest of the image.
AIVerizon shares fell about 7% and T-Mobile fell 12% on Friday after SpaceX announced a deal to buy a nationwide spectrum portfolio from Grain Management to expand Starlink into mobile service. The portfolio covers up to 14 megahertz of paired spectrum in the 800 MHz band. AT&T fell about 10%, while SpaceX stock rose about 1%.
RadixArk@radixarkOfficialAI score28AIRadixArk releases Miles v0.1.2, adding score centering for stable async RL and an experimental native Kubernetes backend. RL jobs can run as ordinary cluster workloads, and orchestration can restart while training continues. The release also adds torchtitan as a third training backend alongside Megatron and FSDP, plus support for DeepSeek-V4.1-Flash and MiMo-V2.6-Flash-RL.
RadixArk@radixarkOfficialAI score25Guizang@op7418XAI score10AIGuizang (@op7418) says he asked Grok, through the @bot account, to read his GitHub project and produce a promotional video. He shares the video Grok generated but the post gives no further details about the project or the output.
Microsoft Copilot@MSFTCopilotOfficialAI score30AIMicrosoft says the new Copilot Home brings Chat and Cowork into one experience, so users can move from thinking to doing without losing context. Microsoft Copilot EVP Jacob Andreou explains why Home is the new starting point for work.
AIAmanda Silberling describes how she greeted a Unitree humanoid robot at MIT's CSAIL as a person, and how MIT researchers Sherry Turkle and Pat Pataranutaporn say people instinctively treat chatbots as caring companions. Turkle writes that people are "wired to care for" relational artifacts, and a study found about 70% of people are polite to AI. Pataranutaporn, who served as an expert in a wrongful death lawsuit against Character.AI, warns that people may favor chatbots over other humans.
AIDanu Robotics, an Edinburgh startup founded by Amy Ma, is bringing its H.E.R.O. recycling-sorting robot to market, using a pincer claw instead of suction. The company has letters of interest from two large customers, $500,000 in signed contracts, and more than 200 prospective customers in its sales pipeline. Ma estimates a working site would earn $485,000 in added revenue against a $160,000 initial investment and $24,000 in annual maintenance fees.
AIAmazon says it will stop using NDAs when negotiating data center deals with local governments, following a similar move from Microsoft earlier this year. Secrecy has fueled community backlash against AI infrastructure, with hundreds of proposed and enacted moratoriums from New York to San Francisco. A wave of startups is betting consumers will give AI agents access to their inboxes, files, and credit cards.
Ethan Mollick@emollickXAI score43AIRandomized trials using the older GPT-4o model found that access to AI raised test scores, with a smaller gain still present a week later. Gains persisted for students who used AI as a tutor but faded for students who had AI write for them. Ethan Mollick says the effects were positive across all experiments.
dex@dexhorthyXAI score3AIDex Horthy (@dexhorthy) asks on X whether he should just rewrite something in Rust. The post is a casual joke with no further details about the project or his reasons.
AILangChain's Managed Deep Agents v0.9 adds a reactions attribute for Slack channels that accepts either an emoji string or a callable returning one. The article shows a function that returns a bug emoji when a message contains "broken" and eyes otherwise. It also shows a TypeSafe Classifier that picks from a seven-emoji vocabulary and falls back to eyes below 25% confidence.
AIThe Financial Times reported that OpenAI's annual recurring revenue was $20 billion below a widely cited $70 billion figure, a gap the paper tied to gross versus net revenue accounting. OpenAI has used a net figure while Anthropic reports gross, which includes partner sales by Amazon and Microsoft. Bloomberg reports OpenAI expects to reach $70 billion annualized revenue by year end on a net basis.
Amjad Masad@amasadXAI score14AIReplit CEO Amjad Masad asks what determines whether communities respond to AI's impact on their field with excitement or fear. The post offers no data, examples, or answer.
AIa16z says it is leading an investment in TypeSafe AI, whose Jev model hands decisions to code as typed values and reached 1 trillion tokens generated three days after launch. The company says Jev costs roughly 1/100 to 1/500 of frontier models and runs 100x faster on classification tasks at comparable accuracy. TypeSafe says 25% of the Fortune 500 have integrated Jev.
AIA preliminary NBER working paper by Prof. Zitzewitz, covering over 100 years of prediction markets, finds no statistically significant bias by political affiliation, gender, race, or age. The only exception is non-US elections, where markets appear to overrate right-leaning candidates, but that result is not statistically significant. Separately, prediction markets had Flávio Bolsonaro's Brazilian presidential rise about three weeks before his first-round win.
AIThe Trump administration announced a voluntary agreement with major AI companies calling for internal safety monitoring, external audits, and independent board reviews, and the Federal Trade Commission launched an investigation into OpenAI, Anthropic, and other AI companies over potential consumer risks. OpenAI released Dots, a proactive assistant that retains context, works across applications, and acts without waiting for prompts. Google says Gemini 4 Argon can generate up to a million output tokens in a single response.
🚨 AI News | TestingCatalog@testingcatalogXAI score41AIPine AI launched Pine Computer, a cloud computer, harness, and runtime layer built for agentic tasks. On the publisher's SaaS-Bench v1.1, it posts a 78.3% checkpoint score against 74.3% for Opus 5 with Claude Code, but completes fewer whole tasks, 27.4% against 31.1%. Instead of simulating clicks and screenshots, it reads web pages as structured data, and access is through a private beta waitlist.
🚨 AI News | TestingCatalog@testingcatalogXAI score62AIAnthropic has expanded dynamic workflows in Claude Managed Agents into a public beta, according to Testing Catalog. Users can configure their agents for multiagent orchestration, with Claude planning and operating a fleet of agents to achieve a goal. The post also links a video from Anthropic's ClaudeDevs account, which the author describes as a new SWE norm.
Santiago@svpinoXAI score44AIPine has released a cloud computer service with a built-in AI agent that applications can control through its SDK. Developers give the agent a plain-English task, and it can use a browser, files, and a shell while the app receives notifications and final outputs. Pine's Stanley Wei says the computer is built for AI rather than humans.
Vaibhav (VB) Srivastav@reach_vbXAI score4AIOpenAI says invites for its DevDay Exchange events in Berlin, Paris, and London are rolling out now. Recipients are asked to register as soon as possible to secure a spot. People still waiting can reply with their city, what they are building or exploring, and why they want to attend.
TypeSafe AI@typesafeaiOfficialAI score16AITypeSafe AI says it told a16z it wanted to put intelligent software everywhere, and when asked about the compute required, it agreed to the scale. The company is announcing a large Series A round, which the quoted post says is backed by a16z.
Alexandr Wang@alexandr_wangXAI score12AIAlexandr Wang calls Cleo Abram brilliant and says their conversation on AI safety is one of his favorites. He also says he included a subtle dig at some well-known people during the interview. The interview covers what Muse can do, when it can be trusted, and how to make sure the technology goes right.