Grok 4.6 智能指数逼近 Fable 5，价格低 80%

Grok 4.6 gets 98.4% of Fable 5's Intelligence Index score at a fraction of its API price.

5X cheaper on input tokens and 8X less for output tokens vs Fable 5.

Looks clearly the strongest intelligence-per-dollar equation.

Grok 4.6 scores 61 versus Claude Fable 5 Max's 62, just a 1-point or 1.6% relative gap on that composite score, while Grok costs 80% less on input tokens ($2 vs $10/M) and 88% less on output tokens ($6 vs $50/M).