Four models build a 3D rocket: Luna costs under a cent

Bridgebench @bridgebenchOriginally posted 2026.09.23

Open original on X

We gave 4 models the same prompt: build a 3D rocket launch. GPT 6 Luna: <$0.01, 1 minute GPT 6 Sol: $0.11, 1 minute Grok 4.7: $0.29, 11 minutes Claude Opus 5.5: $1.52, 12 minutes GPT 6 Luna built a rocket launch scene in 65 seconds for less than a penny. The cost of frontier AI is collapsing in real time.