Open-model token share jumped from 20% to 80% in ~12 weeks, per Vercel data
HealthcareAIGuy · x · 2026-09-29
This week's Healthcare AI Guy newsletter covers: no signs of slowing in health AI, the AI billing bot war, and how AI supports a shrinking surgical workforce.
The standout data point: per Vercel, token usage flipped in roughly 12 weeks from 20% open / 80% closed models to 80% open / 20% closed — an extraordinary shift away from a handful of closed frontier labs, which makes their sudden calls for slowdown and regulation look fishy. Meanwhile the release calendar shows the opposite: DeepSeek 4.1, Qwen 2.1 Flash, Nemo Pro, Opus 5.5, GPT-6 Astra, Grok 4.7 and more, all trending stronger, cheaper, faster. The issue also lists 42 new tools/partnerships and 14 funding updates.
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