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MixedGPT · 8 Oct 2026

Luna comes out a fair amount cheaper due to more efficient tokenization and less outputs

Farmadupe on Hacker News

Haiku 5.5 11,893,643 240,451 $0.21 $0.42 gpt-6-luna 7,903,468 177,602 $0.16 $0.31

In the thread “Claude Haiku 5.5”

Helped: Luna's more efficient tokenization and reduced output volume.

I compared the costs between luna and haiku for some classification work. Luna comes out a fair amount cheaper due to more efficient tokenization and less outputs. Model input tokens output tokens batch cost sync cost Haiku 5.5 11,893,643 240,451 $0.21 $0.42 gpt-6-luna 7,903,468 177,602 $0.16 $0.31