Same intelligence, different price: GPT-6 Astra costs 57% less per task than Claude Fable 5.1
ArtificialAnlys · x · 2026-09-08
Artificial Analysis highlights that identical Intelligence Index scores can come at very different costs:
- GPT-6 Astra (max) and Claude Fable 5.1 both score 53, but average cost per task is $3.26 vs $7.63 — 57% cheaper for GPT-6 Astra
- GLM-5.3-Flash matches GPT-5.6 Terra (max) at 42 while costing just 18% as much per task ($0.25 vs $1.40)
- At a lower tier, GPT-5.6 Luna (max) scores 38 at $0.18 per task
Takeaway: cost-per-task gaps of several-fold exist at equal intelligence, making price a first-class selection criterion.
Related event: Same Intelligence, Half the Cost: Astra Beats Fable 5.1 on Per-Task Pricing(2 posts)→
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