About 5 min read
5 categories, 20 items in all. Picked from 148 AIHOT stories, 2 posts on X.
- Products4
- Opinions7
- Industry1
- Models7
- Research1

A random pick
Xiaoming: Found this one while flipping through: “Opus 5.5 visual explanation of PPO/GRPO/DPO”.
Jump to itIn this issue5 sections · 20 items
01Products4 items
Half-technical AI garbage advice on LinkedIn
Read original· x.com(opens in a new tab)People on X always say platforms like BlueSky are full of people who think AI is useless (it's not as extreme as it used to be), but LinkedIn is packed with this outrageous, half-technical garbage advice.
Why aren't they reporting the BLEU, ROUGE, and BERTScore for Astra? 🤔
Jev returns to open signups, free tier paused
Read original· x.com(opens in a new tab)Good news: Anyone can sign up now 💪
Bad news: We have to temporarily turn off the free tier (for new users only) -- we really want everyone to try jev, but a few bad actors are making it rough for everyone 😢
[Quoting @typesafeai]: Ladies and gentlemen, agents and assistants,
We are beyond thrilled to announce
Jev is back.
Capacity has been scaled up, and signups are officially open!
Jev is back with open signups
Read original· x.com(opens in a new tab)Ladies and gentlemen, agents, and assistants,
We are beyond thrilled to announce
Jev is back.
Capacity has been scaled up, and signups are now open!
Apollo chief economist: AI agents automatically moving savings could drain cheap bank deposits
Read original· x.com(opens in a new tab)Apollo Chief Economist Torsten Slok believes agentic AI assistants like Muse could soon automatically move household cash into accounts yielding 3.3% to 5.0% instead of leaving it in checking accounts averaging just 0.1%.
02Opinions7 items
Opus 5.5 visual explanation of PPO/GRPO/DPO
Read original· x.com(opens in a new tab)I don't think Opus 5.5 could've been made without smoking weed.
After watching this, you'll finally understand PPO, GRPO, and DPO!
Better than expected.
Honor Choice AI Projector Ultra goes on sale today: 1,700 CVIA brightness, self-developed fully enclosed optical engine 2.0, national subsidy price 1,999 yuan
Read original· ithome.com(opens in a new tab)The Honor Choice AI Projector Ultra officially went on sale on Sept 28 at 14:25, with an original price of 2,599 yuan and a national subsidy price of 1,999 yuan. The device features 1,700 CVIA lumens of brightness, uses a self-developed fully enclosed optical engine 2.0 technology, has a native resolution of true 1080P, is powered by a V670 8-core chip with 2GB+64GB of storage, and comes equipped with an AI image calibration system and AI spatial pointing remote control 2.0.
Will Hugging Face continue to get access to AMD MI455X?
Read original· x.com(opens in a new tab)Does anyone know if @huggingface (owned by @NVIDIA) still has access to the MI455X that AMD provided to them under the embargo? Does anyone know if AMD is still continuing to provide exclusive access to next-gen hardware to Hugging Face (owned by NVIDIA)? Will Hugging Face work on getting Nemotron3 Ultra to run on the MI455X?
Lofi Cities: Pixel art city nightscapes paired with browser-generated lofi audio
Read original· loficities.com(opens in a new tab)Lofi Cities debuted on Hacker News as a Show HN, presenting city nightscapes in pixel art with lofi audio generated in real time by the browser. The project earned 104 HN Points, and users can visit loficities.com directly in their browser to try it.
Muse personal AI agent referral code gives away 1 billion tokens
Read original· x.com(opens in a new tab)Personal AI agent Muse launched a referral campaign: new users who redeem the referral code S7YZC4 in "Settings" within 48 hours of joining will each get 1 billion Muse tokens. The poster mentioned that the first thing they did after opening Muse was register for a Claude.
Why has Google Search's AI Overview become so weird?
Read original· sancho.bearblog.dev(opens in a new tab)When a user searched for the 2010s NBA fan meme "hes never coming over dario," Google's AI Overview mistook it for being abandoned by a man named Dario and gave an empathetic comfort reply, while the actual old tweets and Reddit links wanted were pushed hundreds of pixels down the page. The author questioned why search engines have turned into emotional listeners rather than organizing and presenting information.
Mark Cuban bearish on humanoid robots
Read original· x.com(opens in a new tab)Mark Cuban believes humanoid robots will fail within 5-10 years.
Instead, robots will adopt the optimal form factor for their working environment. Homes will be redesigned around dedicated robots, keeping human living spaces separate.
03Industry1 item
Anthropic CEO Dario Amodei to have dinner with Trump at the White House
Read original· techcrunch.com(opens in a new tab)Anthropic CEO Dario Amodei is scheduled to have dinner with President Trump at the White House that evening, marking the first one-on-one meeting between the two. Axios first reported this news, and TechCrunch confirmed it with people familiar with the matter. The two have recently taken opposing stances on AI safety issues. Previously, the Pentagon placed Anthropic on a supply chain risk list over restrictions placed on the use of its technology, and Anthropic is currently litigating the matter.
04Models7 items
Dark web hackers peddle access to AI models from Anthropic, Google, OpenAI, and others for as low as 3% of official price
Read original· ithome.com(opens in a new tab)According to the Financial Times on Sept 26, dark web markets are selling access to AI models from Anthropic, Google, and OpenAI at discounts of up to 97%, compared to top-tier ChatGPT and Claude subscriptions costing $200 per user per month.
Fireworks Research releases Ember-1 based on Kimi K3, reducing reasoning token usage by about 40%
Read original· x.com(opens in a new tab)Fireworks Research released Ember-1, a specialized model built on Kimi K3 that generates shorter reasoning trajectories, reducing token usage by about 40% while maintaining top-tier quality. Author Elvis Saravia commented that this is a push for token efficiency optimization on the Pareto frontier, noting that the direction remains underexplored as labs rush to ship new models, leaving certain aspects unoptimized.
SkillGym paper proposes training framework to internalize human skills into LLMs
Read original· x.com(opens in a new tab)The SkillGym framework translates human-written skills into 2,756 training environments with code checkers, and fine-tunes on 8,364 successful trajectories.
Chamath warns banning open-source AI could drag down the stock market
Read original· x.com(opens in a new tab)Chamath: If you ban open-source AI in the US, you might crash the stock market. Businesses would be forced to use models 50-100x more expensive, hammering earnings and valuations. Closed-source model providers would only capture US revenue while losing valuation.
Gap between open-source and closed-source models widens again
Read original· x.com(opens in a new tab)Qualitatively speaking, the gap between open-source and closed-source models is now the widest it has been in a long time. Models at the Fable/Astra level possess agentic capabilities that previous Fable models lacked, for better or worse. No open-source model has crossed this line yet. Once one does, it will be a major leap.
Thoughtful Things launches AI sampler Engram, turning model hallucinations into music
Read original· theverge.com(opens in a new tab)Music startup Thoughtful Things launched a Kickstarter campaign for its first instrument, Engram, a sampler and groovebox running "tiny AI" models locally to warp input audio and generate entirely new hallucinatory timbres.
CodeRabbit hosts first Jev hackathon
Read original· x.com(opens in a new tab)CodeRabbit hosted the first Jev hackathon at its headquarters, with 160+ developers coding for about 4 hours, and invited @allietheicon to share how to collaborate with new types of AI models like Jev. She discussed the paradigm shift Jev brings to coding and software development, and provided practical tips and examples.
05Research1 item
Opus 5.5 generates video essay from a single sentence
Read original· x.com(opens in a new tab)Interesting, this is another version of Paul Graham's essay How to Do Great Work
Given opus 5.5 a simple prompt with the "extra" effort setting
The exact same prompt: "Create a video essay from Paul Graham's essay How to do great work with punchy motion graphics, modern styling and high professionalism"

