The Frontier Is Now Shipping Weekly, and Evaluation Can't Keep Up

Five major models dropped in eight days across OpenAI, xAI, and Anthropic — a cadence that is outpacing the industry's ability to actually assess what it's using.

The pace of model releases has crossed from 'fast' into 'impossible to track.' @dbocar12 tallied five major models in eight days: Grok 4.7, GPT-6 Sol and Luna, Claude Opus 5.5 and Sonnet 5.5 — with OpenAI's DevDay promising more than 20 additional launches. @jonashernlund described the prior three weeks as 'crazy,' pointing to OpenAI's GPT-6, Anthropic's Opus 5.5, and xAI's Grok 4.7 all landing in quick succession.

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