Grok 4.3 vs o1-preview
xAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.3 has the higher intelligence index (90.1 vs 57.3)
- •Grok 4.3 is cheaper ($1.25 vs $15.00 per 1M input)
- •Grok 4.3 is faster
- •Grok 4.3 has a larger context window (1M)
| Grok 4.3 | o1-preview | |
|---|---|---|
| Intelligence index | 90.1 | 57.3 |
| Developer | xAI | OpenAI |
| Type | LLM | LLM |
| Access | API only | API only |
| Context window | 1,000,000 tokens | 128,000 tokens |
| Input price | $1.25 / 1M | $15.00 / 1M |
| Output price | $2.50 / 1M | $60.00 / 1M |
| Speed | 88 tok/s | 66 tok/s |
| Released | May 6, 2026 | September 12, 2024 |
| Parameters | — | — |
| Input modalities | Text, Image | — |
| Output modalities | Text | — |
Shared benchmarks
Grok 4.3
o1-preview
GPQA Diamond
90.1
73.3