JS Wei (Jack) Sun

Compute, capital, and access: the real shape of the AI frontier today

Every URL the pipeline pulled into ranking for this issue — primary sources plus the supporting and contradicting findings each Researcher returned. Inline citations in the issue point back here.

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Sources

Introducing GPT-5.5 openai.com

Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.

GPT-5.5 System Card openai.com

(AINews) GPT 5.5 and OpenAI Codex Superapp latent.space

Spud lives!

Sign of the future: GPT-5.5 oneusefulthing.org

One impressive step on the curve

Three reasons why DeepSeek’s new model matters technologyreview.com

On April 24, Chinese AI firm DeepSeek released a preview of V4, its long-awaited new flagship model. The model can process much longer prompts than its last generation, thanks to a new design that helps it handle large amounts of text more efficiently. Like DeepSeek’s previous models, V4 is open source, meaning it is available…

Google will invest as much as $40 billion in Anthropic arstechnica.com

This follows a similar, but smaller, investment by Amazon just days ago.

What is Codex? openai.com

OpenAI Academy rolled out a seven-part Codex curriculum repositioning the tool as a workplace agent for non-developers, covering setup, daily workflows, top use cases, plugins and skills, scheduled automations, and configuration settings rather than pure coding tasks.

Top 10 uses for Codex at work openai.com

Explore 10 practical Codex use cases to automate tasks, create deliverables, and turn real inputs into outputs across tools, files, and workflows.

Automations openai.com

Learn how to automate tasks in Codex using schedules and triggers to create reports, summaries, and recurring workflows without manual effort.

Plugins and skills openai.com

Learn how to use Codex plugins and skills to connect tools, access data, and follow repeatable workflows to automate tasks and improve results.

How to get started with Codex openai.com

Learn how to get started with Codex by setting up projects, creating threads, and completing your first tasks with step-by-step guidance.

Working with Codex openai.com

Learn how to set up your Codex workspace, create threads and projects, manage files, and start completing tasks with step-by-step guidance.

Codex settings openai.com

Learn how to configure Codex settings, including personalization, detail level, and permissions, to run tasks smoothly and customize your workflow.

The people do not yearn for automation simonwillison.net

Simon Willison highlights Nilay Patel’s Verge essay arguing that ChatGPT’s surging usage masks broad public hostility to AI, blamed on ‘software brain’ executives who model life as automatable information flows — citing the decade-long failure of smart-home automation as proof regular people don’t want it.

An update on our election safeguards anthropic.com

Anthropic updated its election-integrity measures, detailing how Claude’s policies, monitoring, and safeguards have been adjusted in response to misuse patterns observed during recent election cycles. Snippet-thin; details on specific enforcement numbers or policy changes are not provided.

Anthropic and NEC collaborate to build Japan’s largest AI engineering workforce anthropic.com

Anthropic partnered with NEC to train what the companies describe as Japan’s largest Claude-skilled engineering workforce, embedding the model into NEC’s enterprise software services and developer tooling for the Japanese market.

US accuses China of “industrial-scale” AI theft. China says it’s “slander.” arstechnica.com

The US is weighing major sanctions over claims of ‘industrial-scale’ Chinese AI theft — including model distillation from OpenAI, Anthropic, and Google — ahead of a planned Trump–Xi summit. Beijing called the accusations ‘slander.’

Report: Samsung execs worried company could lose money on smartphones for the first time arstechnica.com

Samsung executives reportedly fear the company’s smartphone division could post its first-ever annual loss, as AI datacenter demand drives a memory shortage that has spiked HBM and DRAM prices Samsung itself must now pay to source for handsets.

AIE Europe Debrief + Agent Labs Thesis: Unsupervised Learning x Latent Space Crossover Special (2026) latent.space

Latent Space’s crossover episode with Unsupervised Learning debriefs the AI Engineer Europe summit and lays out an ‘agent labs’ thesis on the emerging category of agent-native startups. Recorded just before the Cursor–xAI deal broke.

Greenhouse gases from data center boom could outpace entire nations arstechnica.com

Plants from OpenAI, Meta, xAI, and Microsoft could emit more than 129M tons annually.

8 Gemini tips for organizing your space (and life) blog.google

Black screen with illustrations including a laptop with document and email icons streaming out, a smiling person holding a phone and looking at a checklist, and a user activating Gemini Live

Partnering with industry leaders to accelerate AI transformation deepmind.google

Google DeepMind partners with global consultancies to bring the power of frontier AI to organizations around the world.

Quoting Maggie Appleton simonwillison.net

[…] if you ever needed another reason to learn in public by digital gardening or podcasting or streaming or whathaveyou, add on that people will assume you’re more competent than you are. This will get you invites to very cool exclusive events filled with high-achieving, interesting people, even though you have no right to be there. A+ side benefit. — Maggie Appleton , Gathering Structures ( via ) Tags: blogging , maggie-appleton

Man faces 5 years in prison for using AI to fake sighting of runaway wolf arstechnica.com

Beloved wolf gripped the nation after burrowing out of the zoo.

Elevating Austria: Google invests in its first data center in the Alps. blog.google

Aerial image of the data center

(AINews) Tasteful Tokenmaxxing latent.space

a quiet day lets us reflect on the top conversation that AI leaders are having everywhere.

AI needs a strong data fabric to deliver business value technologyreview.com

Artificial intelligence is moving quickly in the enterprise, from experimentation to everyday use. Organizations are deploying copilots, agents, and predictive systems across finance, supply chains, human resources, and customer operations. By the end of 2025, half of companies used AI in at least three business functions, according to a recent survey. But as AI becomes…

References

The Decoder the-decoder.com

GPT-5.5 tops benchmarks but still hallucinates frequently at a 20 percent higher API cost

MindStudio review (BullshitBench / LiveBench) mindstudio.ai

GPT-5.5 (High Effort) scored only 56.67 on LiveBench, well below GPT-5.4’s 70.00; on BullshitBench the Pro variant pushed back on just 35% of nonsensical prompts versus 45% for the standard model — more reasoning compute appears to make it ‘rationalize nonsense’ rather than reject it.

Mohit / Medium model comparison medium.com

Claude Opus 4.7 leads SWE-bench Pro at 64.3% vs GPT-5.5’s 58.6% and Gemini 3.1 Pro’s 54.2% — GPT-5.5 wins terminal/agentic benchmarks but trails on multi-file repository reasoning.

MindFort cybersecurity evaluation mindfort.ai

Independent evaluations by XBOW indicate a ‘step change’ in performance, with GPT-5.5 achieving a vulnerability miss rate of only 10%, a significant improvement over the 40% miss rate of the original GPT-5.

LetsDataScience / AISI reporting letsdatascience.com

The UK AI Security Institute reported finding a critical jailbreak in GPT-5.5 during pre-deployment testing; however, they were unable to verify if OpenAI’s subsequent patches were effective because they were denied access to the final version of the model.

Absolutely Agentic analysis of the Superapp absolutelyagentic.com

The ‘Superapp’ strategy creates significant vendor lock-in and ‘concentration risk’ — collapsing ChatGPT, Codex and the Atlas browser into one cockpit raises the cost of any single OpenAI outage.

VentureBeat venturebeat.com

near-state-of-the-art intelligence at 1/6th the cost of Opus 4.7 / GPT-5.5

Medium — ‘Cracking the Million-Token Barrier’ medium.com

Hybrid attention interleaves Compressed Sparse Attention (4:1) and Heavily Compressed Attention (128:1), cutting KV cache to 10% and inference FLOPs to 27% of V3.2

LMSYS blog lmsys.org

MRCR 8-needle retrieval stays above 0.82 through 256K tokens but falls to 0.59 at the 1M limit; V4-Pro exhibits non-deterministic failures across context positions

Skywork analysis (Anthropic/OpenAI allegations) skywork.ai

Anthropic identified ~24,000 fraudulent accounts that generated over 16 million Claude exchanges to harvest reasoning traces; OpenAI told the House Select Committee on China that DeepSeek used ‘obfuscated methods’ to scrape outputs

WKZO/Reuters — Huawei chip scramble wkzo.com

Big Chinese tech firms scramble to secure Huawei AI chips after DeepSeek V4 launch; V4 was natively optimized for Huawei Ascend 950PR rather than NVIDIA H800

Council on Foreign Relations cfr.org

V4-Pro still trails frontier U.S. models by roughly three to six months on ARC-AGI and complex agentic tasks; mobile app uses deprecated 3DES encryption and hard-coded keys

Silicon Republic (Anthropic/Google/Broadcom 3.5GW TPU disclosure) siliconrepublic.com

A Broadcom regulatory filing revealed a three-way agreement to supply 3.5 GW of TPU-based capacity starting in 2027, part of a wider 5 GW commitment from Google Cloud over five years.

AIFray on DOJ remedies / Anthropic amicus aifray.com

The DOJ proposed a final judgment that includes a categorical ban on Google investing in AI firms, alongside a requirement to divest its existing stake in Anthropic within six months; Anthropic warned a ‘forced, expedited sale’ would depress its market value.

Forbes (Majic) on revenue accounting divergence forbes.com

Anthropic recognizes the total transaction price paid by customers on platforms like AWS Bedrock and Google Vertex AI before deducting the cloud provider’s 20–30% share, while OpenAI reportedly uses a ‘net’ method.

Hacker News discussion news.ycombinator.com

Capital is fungible, but substations and transformers are not — the $40B is less about cash than about guaranteed access to scarce TPUs and gigawatts in regions where power grids are booked through 2028.

FedScoop on Anthropic-Pentagon rift fedscoop.com

Anthropic’s inclusion comes after a disagreement between the AI company and the Pentagon over guardrails for using its technology culminated in a governmentwide ban.

Forbes (Markman) on Amazon’s $33B and infrastructure limits forbes.com

Amazon’s package brought its total commitment to $33 billion ($5B equity + $20B milestones), with Anthropic pledging over $100 billion of AWS spend over the next decade across Trainium2–Trainium4.

Jack Sun

Jack Sun, writing.

Engineer · Bay Area

Hands-on with agentic AI all day — building frameworks, reading what industry ships, occasionally writing them down.

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