Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.5 (Non-reasoning)
OpenAI
- GPT-5 (High)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.5 (Non-reasoning) OpenAI | GPT-5 (High) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | Best: 23.2 | 23 | |
| Coding | Best: 56.5 | 37.8 | |
| Math | — | 94.3 | |
| Speed | 74 t/s | Best: 102 t/s | |
| TTFT | Best: 0.89 s | 71.8 s | |
| Input · $ / 1M tokens | $5×4 relative to the lowest price among the compared models | Best: $1.25 | |
| Output · $ / 1M tokens | $30×3 relative to the lowest price among the compared models | Best: $10 | |
| Context window | Best: 922K | 400K | |
| Reasoning | No | Yes | |
| Open weights | No | No |
Intelligence
- GPT-5.5 (Non-reasoning)
- Best: 23.2
- GPT-5 (High)
- 23
Coding
- GPT-5.5 (Non-reasoning)
- Best: 56.5
- GPT-5 (High)
- 37.8
Math
- GPT-5.5 (Non-reasoning)
- —
- GPT-5 (High)
- 94.3
Speed
- GPT-5.5 (Non-reasoning)
- 74 t/s
- GPT-5 (High)
- Best: 102 t/s
TTFT
- GPT-5.5 (Non-reasoning)
- Best: 0.89 s
- GPT-5 (High)
- 71.8 s
Input · $ / 1M tokens
- GPT-5.5 (Non-reasoning)
- $5×4 relative to the lowest price among the compared models
- GPT-5 (High)
- Best: $1.25
Output · $ / 1M tokens
- GPT-5.5 (Non-reasoning)
- $30×3 relative to the lowest price among the compared models
- GPT-5 (High)
- Best: $10
Context window
- GPT-5.5 (Non-reasoning)
- Best: 922K
- GPT-5 (High)
- 400K
Reasoning
- GPT-5.5 (Non-reasoning)
- No
- GPT-5 (High)
- Yes
Open weights
- GPT-5.5 (Non-reasoning)
- No
- GPT-5 (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.
- GPT-5.5 (Non-reasoning)23.2 · $11.25
- GPT-5 (High)23 · $3.44