The most-seen posts on the ai-coding feed this month weren’t model launches, they were free-week…
the most-seen posts on the ai-coding feed this month weren’t model launches, they were free-week promos. union alpha’s free week alone pulled ~2.5m impressions, space bunny ~975k, and opencode’s $40/mo go plus is now the top post of the week at 665k.
attention in dev tools is being bought with $0 price tags, and it’s working.
Context
Verified date: OpenCode's Union Alpha stealth model launched on Sep 16, 2026, free for about a week with a 262,144-token context window, per Progressive Robot and Prompt Blueprints. Doomers' launch tracker lists the launch at 2.6M views on X, ranked 339 of 1,841 launches it tracks.
Hunter Alpha Hub says the free routes closed on Sep 18, when the model was revealed as Unbiased Pareto.
The roughly 2.5M for Union Alpha's free week is close to the 2.6M views Doomers records, though views on X and impressions are different counts. The post is dated Oct 1 and the promotion ran Sep 16 to about Sep 18. The 975k for Space Bunny and the 665k top post for OpenCode's $40 Go Plus plan were not seen in the sources read, so unsupported here, not refuted. 'Attention in dev tools is being bought with $0 price tags' is the author's opinion.
Related work
- Union Alpha on OpenCode, Hunter Alpha Hub ↗Reveal on Sep 18, 2026.
- Doomers ↗Launch tracker.
- Prompt Blueprints ↗Sep 16, 2026.
Watch next
- Read the Hunter Alpha Hub page for how the verified and reported routes differ.
Sources
- OpenCode Union Alpha launch, 16 Sep 2026: 2.6M views on X, Doomersdoomers.ai
- Union Alpha Is Free for a Week, Says OpenCode, Prompt Blueprintspromptblueprints.tech
- Union Alpha: Best Free Stealth Coding Model, Progressive Robotprogressiverobot.com
Provenance
The note above is reproduced unedited from the original post, first published on Threads on 1 October 2026 at 05:47 IST. Sources are the papers and datasets the note draws on.
View the original post ↗Embed this note
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