Ion Stoica
Professor, UC Berkeley; co-founder of Databricks and Anyscale · as of 2026-10-06 · source
Berkeley systems researcher (Spark, Ray, LMArena/Chatbot Arena origins); co-author of the 2026 price-reversal study
News mentioning Ion Stoica (1)
- 'Price reversal' study: in 32% of model pairs the reasoning model with the lower list price costs more in practice (up to 28x) ★★
A March 2026 paper by Lingjiao Chen, Chi Zhang, Yeye He, Ion Stoica, Matei Zaharia and James Zou ran 8 frontier reasoning models on more than 6,800 queries across 12 tasks. In 32% of model pairs the model with the lower list price had the higher total cost, by up to 28x, because thinking-token use…
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