AI labs ditch Small/Medium/Large for Starbucks-style codenames like Luna and Opus

Yuchenj_UW · x · 2026-11-15

YuchenjUW observes that AI labs have abandoned Small/Medium/Large model naming in favor of branded codenames: OpenAI uses Luna, Terra, Sol, Astra; Google uses Hydrogen, Argon, Carbon; Anthropic uses Haiku, Sonnet, Opus, Fable. He quips the trend must trace back to Starbucks' Tall, Grande, and Venti.

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