GPT-6 Luna vs GPT-5.6 Luna: Half the Price, Half the Words
This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.
GPT-6 Luna is level with GPT-5.6 Luna on public benchmarks (38 against 37 on the Artificial Analysis Intelligence Index) and costs about half as much per task. The difference is in what it writes: when a prompt only states a goal ("write the Q3 review"), GPT-6 Luna wrote 0.55x the words across 80 b…
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- 2026-10-03 13:17 · DEV Community — AI
GPT-6 Luna vs GPT-5.6 Luna: Half the Price, Half the Words