Anthropic and OpenAI ship five model releases in one month as 'pace the frontier' pact collapses

XFreeze · x · 2026-09-29

A viral post mocks how the "pace the frontier" consensus lasted about five minutes before turning into a Formula 1 race: in a single month Anthropic dropped Fable 5.1, Opus 5.5, and Sonnet 5.5, while OpenAI shipped Astra 6 plus 6 Sol and Tera — everyone running at full throttle, the exact opposite of what was agreed.

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