Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.5 (Xhigh)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.5 (Xhigh) OpenAI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | Best: 38.7 | 38.4 | |
| Coding | Best: 75.2 | 74.9 | |
| Agentic | Best: 47.1 | 36.4 | |
| Speed | 49.4 t/s | Best: 75.5 t/s | |
| TTFT | Best: 2.76 s | 51.8 s | |
| Input · $ / 1M tokens | $10×2 relative to the lowest price among the compared models | Best: $5 | |
| Output · $ / 1M tokens | $50×1.7 relative to the lowest price among the compared models | Best: $30 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | $4.47×2.1 relative to the lowest price among the compared models | Best: $2.10 |
Intelligence
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 38.7
- GPT-5.5 (Xhigh)
- 38.4
Coding
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 75.2
- GPT-5.5 (Xhigh)
- 74.9
Agentic
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 47.1
- GPT-5.5 (Xhigh)
- 36.4
Speed
- Claude Fable 5.1 (Low, Default Fallback)
- 49.4 t/s
- GPT-5.5 (Xhigh)
- Best: 75.5 t/s
TTFT
- Claude Fable 5.1 (Low, Default Fallback)
- Best: 2.76 s
- GPT-5.5 (Xhigh)
- 51.8 s
Input · $ / 1M tokens
- Claude Fable 5.1 (Low, Default Fallback)
- $10×2 relative to the lowest price among the compared models
- GPT-5.5 (Xhigh)
- Best: $5
Output · $ / 1M tokens
- Claude Fable 5.1 (Low, Default Fallback)
- $50×1.7 relative to the lowest price among the compared models
- GPT-5.5 (Xhigh)
- Best: $30
Context window
- Claude Fable 5.1 (Low, Default Fallback)
- 1M
- GPT-5.5 (Xhigh)
- 1M
Reasoning
- Claude Fable 5.1 (Low, Default Fallback)
- Yes
- GPT-5.5 (Xhigh)
- Yes
Open weights
- Claude Fable 5.1 (Low, Default Fallback)
- No
- GPT-5.5 (Xhigh)
- No
Cost / task
- Claude Fable 5.1 (Low, Default Fallback)
- $4.47×2.1 relative to the lowest price among the compared models
- GPT-5.5 (Xhigh)
- Best: $2.10
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
- GPT-5.5 (Xhigh)38.4 · $2.10