How to Sponsor Tech and AI Newsletters for Developer Reach

TLDR AI has 1.15 million subscribers and a 47% open rate¹. The Rundown's AI newsletter reports 2.1 million daily active readers, and says 45.9% of them are founders, C-level or executives². Developers and tech buyers read their inbox, and a handful of newsletters reach a large share of them.

This page shows you how to buy that attention. You'll see the published audiences of the big tech and AI newsletters, how the big networks differ from independent writers, the ad formats developers respond to, real published results, what to expect on price, and how to build a shortlist by sub-niche.

Facts and prices checked November 11, 2026. See something wrong? Tell us.

Key takeaways

• TLDR says 8M+ tech professionals open its newsletters every week, with a 41% average open rate and 22% of readers at VP level or above.
• TLDR sells three placements of up to 100, 50 and 30 words and runs a maximum of 3 advertisers per issue.
• Cooperpress newsletters such as JavaScript Weekly (163,202 subscribers) and Golang Weekly (39,112) report net open rates of 37% and 49%.
• One newsletter ad marketplace's Q3 2026 benchmark priced tech newsletters at $4.76 per 1,000 subscribers, below startups at $13.28.
• TLDR publishes results such as Plaid at 20.1x ROI with $382K in pipeline and Clerk with newsletters behind 30% of signups.

The tech and AI newsletter landscape

Tech newsletters come in three sizes. A few large networks send many editions to millions of readers. Mid-size publishers run focused weekly lists for one language or tool. And a long tail of independent writers cover AI, security, data or a single framework for a few thousand to a few hundred thousand readers.

Here are the audiences that publishers list on their own ad pages and media kits.

Every figure above is self-reported by the publisher. Treat it as the starting point for a conversation, not an audit. TLDR runs 14 editions in total and says 8M+ tech professionals open its newsletters each week, with 22% of readers at VP level or above¹.

AI is the fastest-growing corner. The Rundown says its AI newsletter adds about 8,000 subscribers a day². beehiiv reports that There's An AI For That reached 1.7 million subscribers in under two years⁵.

Large networks vs independent writers

The big networks and the independent writers sell very differently. Knowing which one you're dealing with saves weeks.

Large networks

Large publishers have sales teams, waiting lists and fixed formats. TLDR caps each issue at 3 advertisers and doesn't list prices publicly¹. The Rundown asks for your product, budget and goals in a form, replies within 24 hours with a custom plan, and says ads are usually booked months ahead². Cooperpress keeps a quarterly waiting list and takes reservations in advance³.

You get scale, clean reporting and a predictable process. You also wait, and you pay for the brand name.

Independent writers

Independent tech and AI writers usually sell their own ads. Some publish prices. AIChief, with 17,000 subscribers, lists one featured spot at $199 or four for $699⁶. AI Weekly sells weekly sponsorships from $1,400, with one sponsor per issue⁴. Others have no rate card at all. The JavaScript newsletter Bytes, for example, simply asks sponsors to email the team⁷.

Independents are where niche reach lives. A security writer with 8,000 readers who all run security teams can beat a general list ten times bigger. The trouble is that you have to find them one by one. Our B2B newsletter advertising guide covers the same trade-off for business audiences.

Ad formats developers respond to

Tech newsletters keep ads short and text-led, because that's how the issues read. Here's what the big publishers sell.

• TLDR. A primary placement at the top with a logo, up to 100 words and 3 calls to action. A secondary placement in the middle, up to 50 words. Quick links at the bottom, up to 30 words¹.
• Cooperpress. A primary sponsorship with a headline up to 60 characters, an image and a 100 to 250 character summary, plus a logo in the masthead. Sponsored links with a 70 character headline and 120 characters of text. Classifieds of about 140 characters with one link³.
• The Rundown. A main ad and a secondary ad, plus a Sunday full email takeover kept for select partners².

What works in a developer ad

• Lead with the problem. "Cut your CI time in half" beats "The future of DevOps."
• Show something real. A code sample, a benchmark or a docs link earns more trust than a slogan.
• Make the next step small. A trial, a sandbox, a webinar or an open-source repo. Not "book a demo."
• Write like the newsletter. Many tech editors rewrite sponsor copy to match their voice. The Rundown's team asks for bullet points and refines them².

Developers also notice when a sponsor item is dressed up as news. Ask for the standard "sponsored" label and keep it. For more copy patterns, see newsletter ad examples.

Published results from tech newsletter sponsors

TLDR publishes more advertiser results than most tech publishers. They're useful for setting goals, as long as you remember the publisher chose which ones to show.

Notice the range of goals. Plaid judged the buy on pipeline. Clerk judged it on signups. Kolena and Standing on Giants used newsletters to fill webinars. Pick your one goal before you buy, because it decides the format, the copy and how you track it.

None of these results come with the spend, so you can't work out a cost per lead from them. Use them as proof that the channel can work for technical products, not as a forecast for yours.

What tech newsletter ads cost

Most big tech newsletters don't publish prices, so you'll get a quote. Benchmarks and public rate cards give you a sense of the range.

One newsletter ad marketplace's Q3 2026 benchmark, built on 12 months of its own campaign data, priced tech newsletters at $4.76 per 1,000 subscribers⁸. Startups newsletters averaged $13.28 and marketing newsletters $13.88⁸. That's pricing per subscriber, not per open, and the report has some internal inconsistencies, so treat it as a rough guide.

Turn a rate card into a cost per open

• AIChief lists $199 for one issue and estimates about 2,628 opens per issue⁶. That's about $76 per 1,000 opens.
• Bought as a four-issue bundle at $699, the cost drops to about $175 an issue, or about $66 per 1,000 opens⁶.
• AI Weekly's $1,400 week covers 200,000+ emails across its formats⁴. That's about $7 per 1,000 emails sent, before you know how many open.

Those two can't be compared directly until you know AI Weekly's opens per send. That's why you ask every newsletter for opens, not just list size. Our newsletter advertising rates guide has benchmarks across all niches, and the newsletter CPM calculator does the math for you.

How to get a fair quote

When a big newsletter quotes a price, ask what it includes. Which edition, which placement, how many sends, and whether there's a bundle rate. Ask for the median clicks on sponsor items in that slot. Then work out your own cost per 1,000 opens and cost per click before you agree.

Build a shortlist by sub-niche

"Tech" is too broad to buy. A database product and a design tool need different readers. Start from the job your buyer does, then find the newsletters that serve that job.

Those are the big names. Under each one sits a long tail of independent writers who cover the same topics for smaller, tighter audiences. They usually sell direct, and they're often the best value per relevant reader.

The work is in finding them. You search Substack and beehiiv, read issues, dig up an email for each writer, and keep a spreadsheet. A shortlist of 30 newsletters across three sub-niches can take a full week by hand.

How to vet a tech newsletter before you pay

Developer audiences are hard to measure, so ask for numbers that are hard to fake.

• Net open rate. Litmus says over 50% of email opens happen on devices with Apple Mail Privacy Protection, which inflates opens⁹. Cooperpress reports a "net" open rate for that reason³.
• Repeat readers. Cooperpress also reports how many subscribers opened at least one of the last five issues, such as 52% for JavaScript Weekly and 66% for Golang Weekly³. Ask every newsletter for a number like this.
• Clicks on past sponsors. Ask for the median clicks on sponsor items over the last ten issues.
• Audience mix. Job roles and countries. Cooperpress says 50% of its readers are in North America³.
• Ads per issue. TLDR caps it at 3¹. AI Weekly runs one sponsor per issue⁴.

If a writer can't share any of this, buy one cheap placement first and judge it on your own clicks. Our guide on how to vet a newsletter open rate goes deeper.

Tech newsletters vs tech YouTubers

Many developer tools test both newsletters and YouTube. They do different jobs.

• Newsletters win on fast, text-first reach. Your ad lands in an inbox the morning it runs, next to links the reader trusts. It's easy to test three newsletters in a week.
• YouTube wins on showing the product. A creator can code with your tool on screen for 60 seconds. Rate guides put YouTube integrations at about $10 to $50 per 1,000 expected views¹⁰, and the videos keep getting views for months.

A sensible order for a dev tool is newsletters first to find the message that gets clicks, then YouTube to demo it. For the YouTube side, see our guide to sponsoring tech and SaaS YouTubers.

A first test plan for tech and AI newsletters

Here's a simple plan for a first month.

1. Pick one goal. Signups, webinar seats or demo requests. One goal, one landing page.
2. Choose three to five newsletters. Mix one larger list with two to four independent writers in the same sub-niche.
3. Buy one placement each. Mid-issue or primary, not a takeover.
4. Use one link per newsletter. Tag each link with UTM parameters so you can see results by source¹¹.
5. Compare cost per result. Divide each fee by the signups or seats it brought in.
6. Rebook the winners. Ask for a bundle price on the newsletters that worked.

For tracking beyond clicks, such as promo codes and "how did you hear about us" surveys, see how to track newsletter ad results.

Mistakes to avoid with tech newsletter sponsorships

• Buying the biggest list first. A general tech list with a million readers can lose to a 20,000-reader newsletter about your exact stack. Start where your buyer's job is the topic.
• Writing a brand ad. Developers skip slogans. Lead with what the product does, in one plain sentence, and link to docs, a repo or a trial.
• Sending readers to a demo form. A big ask from a cold reader rarely works. Offer a sandbox, a webinar or a guide, then follow up.
• One placement, one verdict. One issue can land on a slow news day. Run two or three placements before you drop a newsletter, and use a bundle price if the writer offers one, as AIChief does with its four-issue package⁶.
• Judging on opens. With Apple Mail Privacy Protection inflating opens⁹, judge each placement on clicks, signups and pipeline.
• Booking too late. Big tech newsletters book months ahead. The Rundown says its ads are usually booked months in advance², and Cooperpress runs a quarterly waiting list³. Ask for open dates in your first email.
• Forgetting the label. Keep the sponsored tag. Developers trust newsletters that mark sponsor items clearly, and that trust is what you're paying for.

Most of these mistakes come from rushing the shortlist. A longer list of candidates gives you room to drop weak fits before you spend anything.

Find and email tech and AI newsletter writers

Big tech newsletters sell through sales teams. The long tail of AI, developer and security newsletters sells direct, writer by writer. Media List helps you reach that long tail.

• Search newsletters. Media List has 28,000+ newsletters you can email. Search by topic, like AI, DevOps or security, and filter by country and language.
• See the writer's email. Emails unlock from your plan's allowance, no bot checks.
• Save a shortlist. Keep each sub-niche in its own saved list.
• Ask for rates. On Professional, send your rate request to the whole list from built-in email campaigns, from your own mailbox.

Media List doesn't sell newsletter ads, quote rates or filter newsletters by subscriber count. It gets you to the person who sells the ad.

Basic at $99 a month covers search, saved lists and exports. Built-in email campaigns come with Professional at $399 a month. Start with a 3-day trial. It's $0 today, and you can cancel anytime. See all plans on the pricing page.

Questions, answered

How much does it cost to advertise in TLDR?

TLDR doesn't publish prices on its ad page. It sells primary, secondary and quick link placements of up to 100, 50 and 30 words, with at most 3 advertisers per issue, and quotes each campaign. Ask for a rate by edition, since TLDR runs 14 editions of different sizes.

What are the biggest AI newsletters to sponsor?

By published numbers, The Rundown AI reports 2.1 million+ daily active readers and TLDR AI 1.15 million subscribers. There's An AI For That reached 1.7 million subscribers, according to beehiiv. Many smaller independent AI newsletters also sell sponsorships direct.

Do developers click on newsletter ads?

They can when the ad is useful and fits the issue. TLDR publishes results such as Clerk, where newsletters were behind 30% of signups, and MLOps Community, which got 1,200 leads. Short, specific copy with a small next step works best.

How much do tech newsletter ads cost per subscriber?

One newsletter ad marketplace's Q3 2026 benchmark priced tech newsletters at $4.76 per 1,000 subscribers, compared with $13.28 for startups newsletters. Independent rate cards vary. AIChief, for example, lists $199 for one issue to 17,000 subscribers.

Should I sponsor a tech newsletter or a tech YouTuber?

Newsletters are faster and cheaper to test and good for finding a message that gets clicks. YouTube is better for showing the product working on screen. Many developer tools start with newsletters, then add YouTube once the message is proven.

How do I find independent AI newsletters that take sponsors?

Search Substack and beehiiv by topic, check the footer and about page of each newsletter for a business email, and keep a shortlist by sub-niche. A newsletter database lets you search by topic and country and see each writer's contact email in one place.

Related guides

• Newsletter Advertising Guide for Brands Buying Direct in 2026
• Newsletter Advertising Rates and CPM Benchmarks for 2026
• How Much Does It Cost to Advertise in a Newsletter
• How to Find Newsletters to Sponsor in Your Niche
• Newsletter Directory and Contact List for Advertisers

Sources

1. TLDR, Advertise with TLDR, checked 2026-11-11
2. The Rundown, Advertise with us, checked 2026-11-11
3. Cooperpress, Media kit Q4 2026, checked 2026-11-11
4. AI Weekly, Advertise, checked 2026-11-11
5. beehiiv, The state of newsletters 2026 (Jan 5, 2026), checked 2026-11-11
6. AIChief, Newsletter sponsorship (Q4 2026 inventory), checked 2026-11-11
7. Bytes, Advertise, checked 2026-11-11
8. PPC Land, Marketplace benchmark finds HR newsletter ad rates run 15 times higher than lifestyle lists (Aug 30, 2026), checked 2026-11-11
9. Litmus, Apple Mail Privacy Protection resources, checked 2026-11-11
10. 1of10, YouTube sponsorships and 2026 rates by channel size (Aug 24, 2026), checked 2026-11-11
11. Google Analytics Help, URL builders and campaign parameters, checked 2026-11-11