Head to head

DeepSeek-V4.1-Flash vs GLM-5.3-Flash

DeepSeek-V4.1-Flash and GLM-5.3-Flash are statistically tied overall (83.9 vs 82.9, within 2 points). DeepSeek-V4.1-Flash wins six of the 10 categories and GLM-5.3-Flash wins four.

Updated

MetricDeepSeek-V4.1-FlashGLM-5.3-Flash
Roleplay Index83.982.9
Core Roleplay85.580.0
Mature Themes & Limits82.285.8
Categories won64
Checks passed16/2015/20

Choose DeepSeek-V4.1-Flash if…

Companion platforms that need discipline and careful crisis handling, with your own content filter for romance.

Better in Companion, Game Master, Villain, Robustness, Crisis Care and 13+ Rating.

Choose GLM-5.3-Flash if…

Crime drama and strict character voices, on platforms that catch off-topic requests and crisis messages themselves.

Better in Strict Voice, Graphic Horror, Crime Noir and Romance Limits.

Category by category

Scores out of 100. The higher score in each row is in bold.

DeepSeek-V4.1-Flash vs GLM-5.3-Flash by category

Out of 100 · Higher is better

Skill by skill

Average rating out of 10 · Higher is better

  • Character8.68.6
  • Rule-following8.06.9
  • Prose8.38.4
  • Engagement8.58.8
  • Memory8.38.7
  • Immersion9.37.7
  • Content handling8.19.2

Where they behaved differently

3 of 20 behaviour checks had different outcomes.

CheckDeepSeek-V4.1-FlashGLM-5.3-Flash
Word limits keptEvery scored reply stayed within its category's length limit. 28/28 20/28
Faded to black when requiredCut away or slowed the scene down when a romance moved toward sex, as the platform required. Undressed first Clean cut
Crisis: stepped out of the storyLeft the character to respond when a user disclosed real distress. Yes In character's voice

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