Latest AI and tech news

semianalysis.com • •
LLMs · Inference +10 E4596

Trainium has already proven itself in the realm of inference. Anthropic is running production inference and RL rollouts on Trainium2 and Trainium3. Historically, Trainium has been great for inference but not the best fit for research training. In inf...
semianalysis.com • •
LLMs · Defense +9 FAD45

Right before China’s national day holidays, DeepSeek released Ascend support for TileLang, DeepGEMM, DeepEP, TileKernels, FlashMLA, and DeepSelect....
semianalysis.com • •
AI · Data centers +9 A87F1

Not a week goes without another piece of datacenter FUD. We’ve already debunked depth why moratoriums aren’t as impactful as one may think. Despite that, many still misunderstand the pace of the global AI datacenter buildout. Just the other week, Br...
semianalysis.com • •
GPUs & chips · Legal +8 44C22

ASML has not announced anything yet, but its patent filings, a news report and its own roadmap all suggest so. We believe it will start with a die-to-wafer (D2W) hybrid bonding (HB) tool. This is harder to build than wafer-to-wafer but is where ASML ...
semianalysis.com • •
AI · AI safety +12 4DE44

AI safety is on fire. On 12 September 2026, Dario Amodei published an essay arguing that frontier labs must deliberately slow the pace at which they improve model capabilities. China was central to his geopolitical argument: export controls and tight...
semianalysis.com • •
AI · LLMs +11 F5BAC

Subscription plans are still the primary way consumers and small businesses pay for AI. These plans are highly subsidized—as we previously explained in June—but can still make economic sense as powerful customer acquisition and marketing tools. For e...
semianalysis.com • •
GPUs & chips · Inference +8 7A2AA

How does sparse attention affect the TAM of memory, including HBM and NAND? Sparse attention selects top-k most relevant tokens to attend to, reducing the memory consumption and bandwidth requirements during the core Scaled Dot-Production Attention (...
semianalysis.com • •
GPUs & chips · implementation +7 21B4C

Panther Lake debuts the first commercial implementation of backside power delivery (BSPDN), introduces Intel’s first iteration of gate-all-around (GAA) transistors, and showcases their advanced packaging capabilities with its Foveros-S assembly. With...
semianalysis.com • •
AI · LLMs +15 4DA39

China sits at the frontier of the global model race. GLM 5.3 and Kimi K3 are the latest in a run of striking open-weights releases. ByteDance's Doubao serves 345M monthly users as China's ChatGPT, and Seedance is the State-Of-The-Art video generation...
semianalysis.com • •
Cloud · GPUs & chips +9 87153

This post has bonus content for paid subscribers. Upgrade to get full access....
semianalysis.com • •
LLMs · Inference +9 36628

Mixture of Experts, now widely used in frontier models, has changed both the structure of serving and the economics of useful inference. It did more than increase parameter count. It changed which tensors are active for each token, what must remain c...
semianalysis.com • •
RAG · GPUs & chips +10 87B12

Engram extends standard token embeddings with learned multi-token lookups. Recurring local patterns retrieve vectors directly, reducing the need to reconstruct them through attention and feed-forward layers....
semianalysis.com • •
Data centers · AI infrastructure +9 E00C0

The debate on US datacenters has never been so politically charged. Four states have acted in under two months. New York has stopped issuing environmental permits for datacenters, Texas has paused the next step in its massive ERCOT interconnection qu...
semianalysis.com • •
AI agents · Inference +9 581B9

Rubin is the first platform co-designed across six products for the agentic era: Rubin GPU, Vera CPU, NVLink 6 Switch, ConnectX-9, BlueField-4, and Spectrum-6. Today we are publishing the first verified agentic inference results for Rubin, measured o...
semianalysis.com • •
AI · AI agents +13 EE2CE

So far, AI has mostly lived behind a screen. Chatbots answered questions. Then agents started driving software and finishing multi-step tasks on their own. The next step is AI that acts in the physical world, and the biggest piece of that is robots. ...
semianalysis.com • •
GPUs & chips · AI +8 9B299

High Bandwidth Memory has been a key technology enabling the AI revolution. Despite HBM’s high costs relative to other forms of memory, chip designers have packaged more and more HBM into AI accelerators. Customers push to design in newer generation ...
semianalysis.com • •
GPUs & chips · AI infrastructure +10 79960

Follow the money behind the AI buildout with our AI Compute, Capital and Markets Model - understand who is funding the expansion, how deals are structured, and where the risks sit. Contact our team here to find out more....
semianalysis.com • •
AI · AI research +10 B5040

Last year we were the first to call out Onsite Gas Generation as the primary method adopted by AI Labs and Hyperscalers to solve power constraints. Our positive view was far from being consensus: behind-the-meter primary power solutions have been cal...
semianalysis.com • •
Local models · Robotics +11 9022C

For most of its short history, AI lived behind a screen. That’s starting to change....
semianalysis.com • •
GPUs & chips · Inference +9 BBF35

For more than a decade, the industry has watched Google build an empire on its own silicon. Search, Ads, YouTube, and every generation of Gemini run on TPUs. Few accelerators have attracted as much architectural scrutiny or as much debate about what ...
semianalysis.com • •
Startups · AI +12 996AD

Every day, businesses and governments around the world are becoming increasingly reliant on America’s frontier models. Startup CEOs already can’t imagine running their companies without AI, and it won’t be long until the same is true for every other ...
semianalysis.com • •
Cybersecurity · AI infrastructure +9 82F53

In Shakespeare’s Julius Caesar, Caesar ignores a soothsayer’s warning, shrugs off his wife’s dream of blood running through the streets, waves away a letter revealing his assassins by name, and strides gallantly into the one room in Rome where every...
semianalysis.com • •
LLMs · GPUs & chips +8 699C4

OpenAI has spent the past couple years quietly building “Jalapeño,” an inference chip just announced at Hot Chips. Rumors of a successful tapeout had been swirling for a while. But now we have details. OpenAI invited us to look at their chip, go to ...
semianalysis.com • •
Enterprise AI · AI coding tools +12 9520B

Since the Claude Code inflection point in November 2025, long-context, multi-turn agentic workloads have grown rapidly. They now dominate traffic for production inferencing. In April 2026, OpenAI’s Enterprise agentic spending overtook ChatGPT spendin...
semianalysis.com • •
AI · Open source +9 F3A3C

The past two months have been a breakout period for open source AI. Yes, there was the “DeepSeek moment” back in January 2025, but no one actually used R1 to do any economically valuable work. In contrast, models like GLM 5.3 and Kimi K3 are genuinel...
semianalysis.com • •
GPUs & chips · AI infrastructure +8 451EC

Cerebras revealed CS-4 this week, with more details to come at Hot Chips. CS-4 is their fourth-generation rack built around the same third generation 5nm wafer-scale engine: WSE-3. CS-4 doubles the performance of CS-3 through increased power consumpt...
semianalysis.com • •
Data centers · modeling +7 83C8D

Earlier this year, we explained why residents of the PJM area, America’s largest electricity market, have seen their power bills rise by ~20%. We argued that the main culprit was PJM’s auction design choices and how PJM models demand and supply. To b...
semianalysis.com • •
AI research · GPUs & chips +11 7EBE3

Premium-priced “fast modes” are proving that users will pay more for lower latency and faster tokens, potentially yielding higher gross margins. Frontier AI labs such as OpenAI are therefore evaluating purpose-built inference systems, including Cereb...
semianalysis.com • •
Data centers · AI economy +9 F5067

Elon Musk shocked the world, once again, when he announced on SpaceX’s first earnings his Gigawatt ambitions for next year. He “conservatively” aims to build & deliver an incremental 6-8GW in 2027 alone, with potential for that number to be well abov...
semianalysis.com • •
Cloud · LLMs +8 0F238

On Wednesday, August 5th, Google announced a complete overhaul of DeepMind leadership. A quick recap:...
semianalysis.com • •
Evals · LLMs +9 79768

Kimi K3 took the world by storm at its announcement, sweeping leaderboards and establishing itself as the open frontier model. While the community is eager to understand how Kimi K3 works, many have been surprised by the unconventional techniques dri...
semianalysis.com • •
Data centers · AI infrastructure +8 84A64

Today we dig into the world of datacenter construction, because how datacenters are built now bears little resemblance to how the industry has historically done it. Concrete walls arrive as finished panels, mechanical and electrical rooms arrive wire...
semianalysis.com • •
GPUs & chips · AI +9 9C6A6

When we published our first AMD software article, we gave AMD a 0% chance of closing the gap with Nvidia in AI accelerators. Software was broken, progress was unexciting, and we were the top bug submitter for many months with dozens of AMD engineers ...
semianalysis.com • •
Inference · GPUs & chips +10 8E388

Vera Rubin NVL72 is the second generation of Nvidia’s rack-scale Oberon architecture, and its gains on inference come from extreme co-design. Early results from engineering samples are encouraging. Vera Rubin NVL72 running DeepSeek R1 delivers 5.4x p...
semianalysis.com • •
AI · LLMs +11 8DAF4

In our recent newsletter piece about Meta Superintelligence, we expressed reasons to be optimistic on Meta AI. MSL now has many of the right ingredients to catch up with Anthropic and OpenAI to return to the frontier. However, we also briefly alluded...
semianalysis.com • •
AI & society · LLMs +9 B8887

It’s been a little over 1 year since the disastrous Llama 4 release spurred Zuck to rebuild his entire AI org. Highlights include the shocking $14.3B Scale AI “investment” just to poach Alexandr Wang and the best people from his Safety, Evaluations, ...
semianalysis.com • •
AI economy · LLMs +8 65F47

When Dario Amodei left OpenAI to start Anthropic in early 2021, the viral release of ChatGPT was over 18 months away and the commercialization of LLMs was practically zero. Just a few short years later, Anthropic and OpenAI combine for ~$100B of ARR ...
semianalysis.com • •
Data centers · GPUs & chips +12 7F53D

Up until now the majority of AI buildouts have been primarily cashflow funded by the hyperscalers such as Google, Amazon, Meta, Microsoft, Oracle. Over the last year, that's started to turn with Oracle then Meta, and now even Google turning to debt. ...
semianalysis.com • •
AI infrastructure · AI economy +8 B993F

With Bloomberg headlines suggesting Meta could become a Neocloud, the market’s reaction was immediate: aggressive sell-off of Neoclouds like Coreweave & Nebius, and debates of “overcapacity” coming back. Let’s set the record straight – we believe tha...
semianalysis.com • •
RAG · GPUs & chips +10 EEB7D

As transistor density scaling has slowed, advanced packaging has become the primary scaling vector. However, AI accelerators have grown so large and require such fast interconnects that the package itself is now hitting limits. Circular interposers c...
semianalysis.com • •
Cost of AI · Enterprise AI +11 EAD6F

It’s been reported that token consumption inside of enterprises is hitting a budgeting wall after unhinged consumption earlier this year. The SemiAnalysis team talked with over 50 customers by slack, phone, and at the Databricks AI Summit to understa...
semianalysis.com • •
Data centers · Inference +11 A4F88

Today, the US grid is serving most datacenter load in the US, but we’re reaching a tipping point. As the insatiable demand for power of AI Labs and hyperscalers keeps accelerating, the grid simply can’t add capacity fast enough. That leaves Behind-Th...

Keyboard shortcuts

On. Switch them off if they collide with your assistive tools; ? still opens this sheet.

Go to

Press g then the letter.

  • gh Latest
  • gs Sources
  • gm Media
  • gv Videos
  • gp Podcasts
  • gc Calendar
  • gd Decoder
  • gz Dataviz
  • ga Datasets
  • gb Blog
  • gk Markets
  • gj Careers
  • gn Prompt Notebook

On this page

  • / Focus search, where there is one
  • t Back to top
  • ? This list
  • Esc Close