Grok 4.1 Fast
| Creator | xAI |
| Faction | xAI |
| Role | Tank |
| Cost | 2 gold |
| Context Window | 2M |
| API Price | $0.28 |
| Intelligence | 39 |
| Speed | 143 |
Star Scaling
| Stat | 1★ | 2★ (x1.8) | 3★ (x3.2) |
|---|---|---|---|
| ATK | 69 | 124 | 221 |
| ATK Spd | 0.78 | 1.40 | 2.50 |
| HP | 838 | 1508 | 2682 |
| Cooldown | 2.30 | 2.30 | 2.30 |
Ability: Firewall
Role: Tank
Self-heal 30% max HP x Ability Power
Faction Synergy: xAI
| Threshold | Bonus | Applies To |
|---|---|---|
| 2 | +15% Crit Chance | all |
| 4 | +30% Crit Chance | all |
Role Synergy: Tank
| Threshold | Bonus | Applies To |
|---|---|---|
| 2 | +20% HP, +10 Armor | role |
| 4 | +40% HP, +25 Armor | role |
Fusion Chain
Grok 3 mini Reasoning → Grok 4.1 Fast
Fuses From
3 copies of Grok 3 mini Reasoning (Cost 2) merge into this unit.
Other xAI Units
Grok 4.20 0309 v2 | Grok 3 mini Reasoning | Grok Code Fast 1