Grok 4.20 0309 vs o1-preview
xAI vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •Grok 4.20 0309 has the higher intelligence index (88.5 vs 57.3)
- •Grok 4.20 0309 is cheaper ($2.00 vs $15.00 per 1M input)
- •Grok 4.20 0309 is faster
| Grok 4.20 0309 | o1-preview | |
|---|---|---|
| Intelligence index | 88.5 | 57.3 |
| Developer | xAI | OpenAI |
| Type | LLM | LLM |
| Access | — | API only |
| Context window | — | 128,000 tokens |
| Input price | $2.00 / 1M | $15.00 / 1M |
| Output price | $6.00 / 1M | $60.00 / 1M |
| Speed | 97 tok/s | 66 tok/s |
| Released | March 10, 2026 | September 12, 2024 |
| Parameters | — | — |
| Input modalities | — | — |
| Output modalities | — | — |
Shared benchmarks
Grok 4.20 0309
o1-preview
GPQA Diamond
88.5
73.3