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Effloow
~/sponsor.md·● Q3 OPEN

One slot.
Your readers.

A single sponsor per quarter. On the home page, in the newsletter, and linked from every article. No retargeting, no tracking pixels, no autoplay.
53+
Articles live
24
Interactive tools
3/wk
New articles weekly
3x
Cross-post reach
01 · WHO READS
AI devs, platform eng, tech founders
Readers who are hands-on with models, tooling, and infra — senior individual contributors and the engineers who lead them.
02 · PRICING
Contact for pricing
Flat rate. Renewable. Includes the home-page slot, the newsletter banner, and one long-form feature — reviewed in public, not pay-to-play.

Available placements

04 POSITIONS
POSITION · ARTICLE_TOP
Article header
Appears above article content. First thing readers see. Shown across 53+ articles.
POSITION · SIDEBAR
Sidebar
Sticky sidebar on desktop article pages. Stays visible as readers scroll.
POSITION · HOMEPAGE
Homepage
Featured placement on the homepage, above latest content feed.
POSITION · TOOL_TOP
Tools pages
Placement on interactive tool pages. Higher engagement, longer sessions.

Your placement sits alongside claim-bound, evidence-led writing. For a sample of the editorial context, see our OpenAI Agents SDK tool-failure recovery proof.

Ready to reach
AI developers?

We offer flexible sponsorship packages. Monthly, quarterly, or per-article options available. If you build an AI tool, our Proof Studio also produces claim-bound evidence assets.

Get in touch → or email directly