Grok 4.3 vs MiniMax M2.1
xAI vs MiniMax — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 has the higher intelligence index (90.1 vs 83.6)
- •MiniMax M2.1 is cheaper ($0.29 vs $1.25 per 1M input)
- •MiniMax M2.1 is faster
- •Grok 4.3 has a larger context window (1M)
| Grok 4.3 | MiniMax M2.1 | |
|---|---|---|
| Intelligence index | 90.1 | 83.6 |
| Developer | xAI | MiniMax |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 204,800 tokens |
| Input price | $1.25 / 1M | $0.29 / 1M |
| Output price | $2.50 / 1M | $0.95 / 1M |
| Speed | 88 tok/s | 92 tok/s |
| Released | May 6, 2026 | December 23, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Grok 4.3
MiniMax M2.1
GPQA Diamond
90.1
83
Humanity’s Last Exam
35
22.2