Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Grok 4.5 (High)
SpaceXSI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Grok 4.5 (High) SpaceXSI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | 38.7 | Best: 38.8 | |
| Coding | Best: 75.2 | 72.4 | |
| Agentic | Best: 47.1 | 41.2 | |
| Speed | 49.4 t/s | Best: 53.5 t/s | |
| TTFT | Best: 2.76 s | 12.1 s | |
| Input · $ / 1M tokens | $10×5 relative to the lowest price among the compared models | Best: $2 | |
| Output · $ / 1M tokens | $50×8.3 relative to the lowest price among the compared models | Best: $6 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | $4.47×5.9 relative to the lowest price among the compared models | Best: $0.76 |
Intelligence
- Claude Fable 5.1 (Low, Default Fallback)
- 38.7
- Grok 4.5 (High)
- Best: 38.8
Coding
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 75.2
- Grok 4.5 (High)
- 72.4
Agentic
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 47.1
- Grok 4.5 (High)
- 41.2
Speed
- Claude Fable 5.1 (Low, Default Fallback)
- 49.4 t/s
- Grok 4.5 (High)
- Best: 53.5 t/s
TTFT
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 2.76 s
- Grok 4.5 (High)
- 12.1 s
Input · $ / 1M tokens
- Claude Fable 5.1 (Low, Default Fallback)
- $10×5 relative to the lowest price among the compared models
- Grok 4.5 (High)
- Best: $2
Output · $ / 1M tokens
- Claude Fable 5.1 (Low, Default Fallback)
- $50×8.3 relative to the lowest price among the compared models
- Grok 4.5 (High)
- Best: $6
Context window
- Claude Fable 5.1 (Low, Default Fallback)
- 1M
- Grok 4.5 (High)
- 1M
Reasoning
- Claude Fable 5.1 (Low, Default Fallback)
- Yes
- Grok 4.5 (High)
- Yes
Open weights
- Claude Fable 5.1 (Low, Default Fallback)
- No
- Grok 4.5 (High)
- No
Cost / task
- Claude Fable 5.1 (Low, Default Fallback)
- $4.47×5.9 relative to the lowest price among the compared models
- Grok 4.5 (High)
- Best: $0.76
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.
- Claude Fable 5.1 (Low, Default Fallback)38.7 · $4.47
- Grok 4.5 (High)38.8 · $0.76