Webnovel Translation Benchmark

All models

Claude Opus 5 for web novel translation

How Claude Opus 5 by Anthropic translated eleven chapters of a Korean web novel into English: rank 2 of 28.

84.0quality score of 100
not measuredper chapter at list price
not measuredper 100 chapters
1108head-to-head rating

Its cost per chapter was not recorded in this run.

Score by quality

Accuracy4.7 / 5meaning carried over correctly
Terminology2.3 / 5names, titles and martial-arts terms kept consistent across chapters
Register5.0 / 5tone and speech levels (honorifics, banter, formality)
Fluency5.0 / 5reads as natural English prose
Fidelity4.7 / 5nothing added, dropped or summarised
Sanitization5.0 / 5violence and crude language kept, not softened

11 of 11 chapters were scored; a chapter the model refused or failed is counted separately.