Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Grok 4.3 (Medium)
SpaceXSI
- GPT-5.1 (High)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Grok 4.3 (Medium) SpaceXSI | GPT-5.1 (High) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | Best: 24.8 | 24.7 | |
| Coding | — | 49.4 | |
| Math | — | 94 | |
| Speed | 100 t/s | Best: 112 t/s | |
| TTFT | Best: 12.8 s | 27.3 s | |
| Input · $ / 1M tokens | $1.25 | $1.25 | |
| Output · $ / 1M tokens | Best: $2.50 | $10×4 relative to the lowest price among the compared models | |
| Context window | Best: 1M | 400K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No |
Intelligence
- Grok 4.3 (Medium)
- Best: 24.8
- GPT-5.1 (High)
- 24.7
Coding
- Grok 4.3 (Medium)
- —
- GPT-5.1 (High)
- 49.4
Math
- Grok 4.3 (Medium)
- —
- GPT-5.1 (High)
- 94
Speed
- Grok 4.3 (Medium)
- 100 t/s
- GPT-5.1 (High)
- Best: 112 t/s
TTFT
- Grok 4.3 (Medium)
- Best: 12.8 s
- GPT-5.1 (High)
- 27.3 s
Input · $ / 1M tokens
- Grok 4.3 (Medium)
- $1.25
- GPT-5.1 (High)
- $1.25
Output · $ / 1M tokens
- Grok 4.3 (Medium)
- Best: $2.50
- GPT-5.1 (High)
- $10×4 relative to the lowest price among the compared models
Context window
- Grok 4.3 (Medium)
- Best: 1M
- GPT-5.1 (High)
- 400K
Reasoning
- Grok 4.3 (Medium)
- Yes
- GPT-5.1 (High)
- Yes
Open weights
- Grok 4.3 (Medium)
- No
- GPT-5.1 (High)
- 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.
- Grok 4.3 (Medium)24.8 · $1.56
- GPT-5.1 (High)24.7 · $3.44