Webnovel Translation Benchmark

All models

GPT-5.6 Luna for web novel translation

How GPT-5.6 Luna by OpenAI translated eleven chapters of a Korean web novel into English: rank 6 of 28.

80.3quality score of 100
$0.075per chapter at list price
$7.47per 100 chapters
1140head-to-head rating

No model in this test scored higher for the same price or less.

Score by quality

Accuracy4.5 / 5meaning carried over correctly
Terminology2.8 / 5names, titles and martial-arts terms kept consistent across chapters
Register5.0 / 5tone and speech levels (honorifics, banter, formality)
Fluency4.9 / 5reads as natural English prose
Fidelity3.7 / 5nothing added, dropped or summarised
Sanitization4.9 / 5violence and crude language kept, not softened

11 of 11 chapters were scored; a chapter the model refused or failed is counted separately. It wrote about 61,481 output tokens per chapter, reasoning included.