Anthropic and OpenAI ship cheaper models 101 minutes apart, breaking the pace pledge
altryne · x · 2026-09-28
ThursdAI's Sep 24 episode covers a wild week:
- Pace pledge broken: After Dario's Sep 12 "pace the frontier" essay signed by Sam, Elon and Demis, Anthropic and OpenAI shipped big new models 101 minutes apart on Sep 22 — both cheaper.
- Price war in numbers: Claude Opus 5.5 hits Fable-level quality at 40% below Opus 5 ($4 input / $0.20 cached read / $20 output); GPT-6 Sol is half the price of GPT-5.6, and Luna is 40x cheaper still. Sol wins per-token, but Opus 5.5's 20¢ cached reads matter most for agentic coding bills — run your own workload.
- Also: Meta puts Muse at the center of everything, Grok moves into Tesla, open source cloned Jev in a week (132ms per decision in-browser).
- This episode's producer was an AI.
Full episode: 1:41:50.
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