Intelligence-vs-cost Pareto frontier redrawn within a week by Fable 5.1, Muse Spark 1.3, GPT-6 Astra
maximelabonne · x · 2026-09-10
Artificial Analysis reports that its Intelligence Index vs Cost Pareto frontier moved out substantially last week, with Claude Fable 5.1, Muse Spark 1.3, and GPT-6 Astra each setting a new point in efficient intelligence. Maxime Labonne jokes that the chart already needs another update just a week later — a sign of how fast frontier price-performance is iterating.
Related event: Three New Models Redraw the Intelligence-Cost Pareto Frontier in a Week(2 posts)→
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