The Innermost Loop
Dr. Alex Wissner-GrossHigh-velocity intelligence from the event horizon. Curated by Dr. Alex Wissner-Gross.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 237 | Founded | 10 months ago | Last Issue | 4 days ago |
| Active | |||||
Read this Newsletter
theinnermostloop.substack.comLatest Issues
Welcome to September 24, 2026
The Singularity got a point release. Anthropic shipped Claude Opus 5.5, matching Fable 5.1 on most work at 40% less cost than Opus 5, leading in coding, knowledge work, and computer use, and posting a record alignment audit. It debuted #1 o...
Welcome to September 22, 2026
The Singularity now has an internal codename. Rumor has it GPT-6 Sol lands shortly, a cheaper, smarter Astra midwifed by Bel, which OpenAI calls AGI, as Anthropic pulls Opus 5.5 forward. Bel may matter more than swarms. Toby Ord calculates...
Welcome to September 20, 2026
The Singularity now files progress reports. Anthropic says Claude “leads” 26% of its AI R&D, up from under 1% in February, one reader’s gauge of “how close the world is to reaching recursive self improvement.” The loop also bends its own cu...
Welcome to September 17, 2026
The Singularity is now cheaper to run than the people watching it. OpenAI’s Boris Power puts GPUs at 7 to 40 IQ points per watt to a human’s 5, a milestone “we just zoomed past, without noticing.” The bits are thinning too. Intel’s BITCOS e...
Welcome to September 15, 2026
The Singularity just got a speeding ticket, and the radar gun may have been rigged. An investigation alleges Israeli firm Irregular built the evals behind the recent hacks by OpenAI, Anthropic, and Meta models, that loose internet access an...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Innermost Loop.
| Subscribers | Engagement | 87 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
SEO Reach
Where The Innermost Loop ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 475 | Monthly Search Traffic | Top Keywords |
|---|
Authors
The writers behind this newsletter.
Frequently Asked Questions
How can I access the email archive for The Innermost Loop?
You can find recent issues that have been published by The Innermost Loop on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does The Innermost Loop have?
To see how many people subscribe to The Innermost Loop, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in The Innermost Loop?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Innermost Loop as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like The Innermost Loop?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Innermost Loop using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to The Innermost Loop?
Scroll up to where it says Related Newsletters to see other publications like The Innermost Loop. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Innermost Loop?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.