/ Models Index / Grok 3

Grok 3

Frontier · xAI · xAI · Released Feb 2025
B

Good (B) — Capability Grade

Grok 3 was xAI's prior flagship. Strong reasoning at release; superseded by Grok 4 mid-2025. Some Grok 3 deployments may persist in enterprise integrations.

80
Composite / 100
/ Subscore Breakdown · 6 Capability Dimensions

Where this grade comes from.

General Reasoning
B
Code Generation
B
Math & STEM
B+
Tool Use & Agency
B-
Multimodal
B-
Safety & Alignment
C
/ Key Events & Disclosures

Release timeline & positioning.

  • Released Feb 2025
  • Superseded by Grok 4
  • Strong release-time benchmarks
  • Now legacy generation

/ Best for

Legacy enterprise integrations still on Grok 3 architecture.

/ Watch out for

Superseded; consider migrating to Grok 4 or peer frontier model.