Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Grok 4 Fast (Reasoning)
SpaceXSI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Grok 4 Fast (Reasoning) SpaceXSI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | Best: 17.9 | 17.5 | |
| Coding | — | 49 | |
| Math | 89.7 | — | |
| Agentic | — | 8.5 | |
| Speed | — | 125 t/s | |
| TTFT | — | 1.17 s | |
| Input · $ / 1M tokens | Best: $0.20 | $0.30×1.5 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $0.50 | $1.20×2.4 relative to the lowest price among the compared models | |
| Context window | Best: 2M | 131K | |
| Reasoning | Yes | Yes | |
| Open weights | No | Yes | |
| Cost / task | — | $0.0535 |
Intelligence
- Grok 4 Fast (Reasoning)
- Best: 17.9
- Muse Glimmer (High)
- 17.5
Coding
- Grok 4 Fast (Reasoning)
- —
- Muse Glimmer (High)
- 49
Math
- Grok 4 Fast (Reasoning)
- 89.7
- Muse Glimmer (High)
- —
Agentic
- Grok 4 Fast (Reasoning)
- —
- Muse Glimmer (High)
- 8.5
Speed
- Grok 4 Fast (Reasoning)
- —
- Muse Glimmer (High)
- 125 t/s
TTFT
- Grok 4 Fast (Reasoning)
- —
- Muse Glimmer (High)
- 1.17 s
Input · $ / 1M tokens
- Grok 4 Fast (Reasoning)
- Best: $0.20
- Muse Glimmer (High)
- $0.30×1.5 relative to the lowest price among the compared models
Output · $ / 1M tokens
- Grok 4 Fast (Reasoning)
- Best: $0.50
- Muse Glimmer (High)
- $1.20×2.4 relative to the lowest price among the compared models
Context window
- Grok 4 Fast (Reasoning)
- Best: 2M
- Muse Glimmer (High)
- 131K
Reasoning
- Grok 4 Fast (Reasoning)
- Yes
- Muse Glimmer (High)
- Yes
Open weights
- Grok 4 Fast (Reasoning)
- No
- Muse Glimmer (High)
- Yes
Cost / task
- Grok 4 Fast (Reasoning)
- —
- Muse Glimmer (High)
- $0.0535
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 Fast (Reasoning)17.9 · $0.275
- Muse Glimmer (High)17.5 · $0.525