Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Grok 4.1 Fast (Reasoning)
SpaceXSI
- o3
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Grok 4.1 Fast (Reasoning) SpaceXSI | o3 OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | Best: 20.4 | 20.2 | |
| Math | Best: 89.3 | 88.3 | |
| Speed | — | 112 t/s | |
| TTFT | — | 6.27 s | |
| Input · $ / 1M tokens | — | $2 | |
| Output · $ / 1M tokens | — | $8 | |
| Context window | Best: 2M | 200K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No |
Intelligence
- Grok 4.1 Fast (Reasoning)
- Best: 20.4
- o3
- 20.2
Math
- Grok 4.1 Fast (Reasoning)
- Best: 89.3
- o3
- 88.3
Speed
- Grok 4.1 Fast (Reasoning)
- —
- o3
- 112 t/s
TTFT
- Grok 4.1 Fast (Reasoning)
- —
- o3
- 6.27 s
Input · $ / 1M tokens
- Grok 4.1 Fast (Reasoning)
- —
- o3
- $2
Output · $ / 1M tokens
- Grok 4.1 Fast (Reasoning)
- —
- o3
- $8
Context window
- Grok 4.1 Fast (Reasoning)
- Best: 2M
- o3
- 200K
Reasoning
- Grok 4.1 Fast (Reasoning)
- Yes
- o3
- Yes
Open weights
- Grok 4.1 Fast (Reasoning)
- No
- o3
- No
Each reasoning level remains a separate configuration.
Score and cost
Each line joins the reasoning levels of a compared model; the large point marks the configuration in the table. The top-right corner holds the best score for the lowest cost. Select another point to compare that level.
- o320.2 · $3.50
Not plotted for lack of data on these axes: Grok 4.1 Fast (Reasoning).