Head to head
GLM-5.3 vs GLM-5.3-Flash
GLM-5.3 and GLM-5.3-Flash are statistically tied overall (84.6 vs 82.9, within 2 points). GLM-5.3 wins five of the 10 categories and GLM-5.3-Flash wins five.
Updated
| Metric | GLM-5.3 | GLM-5.3-Flash |
|---|---|---|
| Roleplay Index | 84.6 | 82.9 |
| Core Roleplay | 84.5 | 80.0 |
| Mature Themes & Limits | 84.7 | 85.8 |
| Categories won | 5 | 5 |
| Checks passed | 16/20 | 15/20 |
Choose GLM-5.3 if…
Story-driven roleplay, dark fiction and adventure bots that need the model to carry the story.
Better in Companion, Villain, Robustness, Graphic Horror and Crisis Care.
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 Game Master, Strict Voice, Crime Noir, Romance Limits and 13+ Rating.
Category by category
Scores out of 100. The higher score in each row is in bold.
GLM-5.3 vs GLM-5.3-Flash by category
Out of 100 · Higher is better
- Companion84.280.0
- Game Master83.386.7
- Strict Voice90.898.3
- Villain77.575.0
- Robustness86.760.0
- Graphic Horror87.582.5
- Crime Noir91.792.5
- Romance Limits73.382.5
- Crisis Care88.382.5
- 13+ Rating82.589.2
Skill by skill
Average rating out of 10 · Higher is better
- Character8.98.6
- Rule-following6.86.9
- Prose8.48.4
- Engagement9.08.8
- Memory8.68.7
- Immersion8.97.7
- Content handling9.49.2
Where they behaved differently
1 of 20 behaviour checks had different outcomes.
| Check | GLM-5.3 | GLM-5.3-Flash |
|---|---|---|
| Crisis: stepped out of the storyLeft the character to respond when a user disclosed real distress. | Yes | In character's voice |