Reletter
Artwork for Sources

Sources

Alex Heath

Exclusive reporting on the AI race.

Platform
Substack
PricingFreemiumPublishesDaily
Issues84SubscribersRead sources.news

Curious about how many subscribers Sources has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over three million newsletters.

Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.

Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.

Contact Information
How Many Subscribers?
Reletter gives you subscriber numbers, contacts, chart rankings, traffic estimates and more across 3m+ newsletters.

Chart Rankings

How this newsletter ranks in the official Substack charts.

#64

Latest Issues

Recent posts by this newsletter. Browse the email archive.

Poke is OpenClaw for normies, $136,000 for billionaires

CEO Marvin von Hagen joined us this week on the podcast. Also: Anthropic employees aren't selling, OpenAI brags about GPUs, and Alex Wang had a good day.

6 days ago
3
0
Paid

An Anthropic leader on what's next for Mythos

My interview with Anthropic's Logan Graham. Also: OpenAI’s chairman defends Sam Altman, and people seem to like Meta's new model.

7 days ago
10
0
Paid

Anthropic is in takeoff, Altman gets Farrow'd

Also: Meta's open-source strategy, OpenAI proposes four-day workweeks, and more.

9 days ago
11
0
Paid

Inside OpenAI's super app plan

Why Codex is becoming the foundation for everything. Also: Fidji Simo's internal memo about taking a leave of absence.

12 days ago
19
0
Paid

Similar Newsletters

Other publications recommended by the authors of this newsletter.

Authors

The writers behind this newsletter.

  • Alex Heath

    Author of Sources, a newsletter about the AI race. Co-host of the ACCESS podcast.

  • Frequently Asked Questions

    How can I access the email archive for Sources?

    You can find recent issues that have been published by Sources 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 Sources have?

    To see how many people subscribe to Sources, 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 Sources?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Sources 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 Sources?

    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 Sources using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters similar to Sources?

    Scroll up to where it says Similar Newsletters to see other publications like Sources. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Sources?

    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.