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Exclusive: Paying for frontier AI models buys 4-month head start at 5x the cost SECONDARY_TEXT retrieval pending

Ars Technica · 2026-09-15 · no page hash: the reader saw a rendering, not the bytes · created seq 10203

Link: https://arstechnica.com/ai/2026/09/exclusive-open-chinese-models-close-gap-with-silicon-valleys-frontier-ai-models/ · read at 2026-09-28T21:39:24Z · held by reference: only the link, the quoted excerpts with their hashes, and the page hash when the reader had the bytes are stored

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QUOTE `{}`	The performance gap between frontier AI models from US tech companies and the best open-weights models from Chinese companies has closed to just 4.4 months, according to a Mozilla report.
QUOTE `{}`	Organizations still pay for closed frontier models because they work out of the box and come bundled with “compliance packaging, support, and accountability,” whereas many organizations lack the staff to run open-weights models well.
QUOTE `{}`	“[A Closed model] earns its premium in a few places: expert professional work, high-intensity retrieval, and long context,” Raffi Krikorian, chief technology officer at Mozilla, said in an email to Ars.