Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.5 (High)
OpenAI
- Claude Sonnet 5 (Max)
Anthropic
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.5 (High) OpenAI | Claude Sonnet 5 (Max) Anthropic | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 37 | Best: 38.2 | |
| Coding | Best: 71.6 | 71.5 | |
| Agentic | 34.3 | Best: 43.6 | |
| Speed | 71.4 t/s | Best: 74.5 t/s | |
| TTFT | Best: 36.1 s | 221 s | |
| Input · $ / 1M tokens | $5×2.5 relative to the lowest price among the compared models | Best: $2 | |
| Output · $ / 1M tokens | $30×3 relative to the lowest price among the compared models | Best: $10 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | Best: $1.40 | $5.09×3.6 relative to the lowest price among the compared models |
Intelligence
- GPT-5.5 (High)
- 37
- Claude Sonnet 5 (Max)
- Best: 38.2
Coding
- GPT-5.5 (High)
- Best: 71.6
- Claude Sonnet 5 (Max)
- 71.5
Agentic
- GPT-5.5 (High)
- 34.3
- Claude Sonnet 5 (Max)
- Best: 43.6
Speed
- GPT-5.5 (High)
- 71.4 t/s
- Claude Sonnet 5 (Max)
- Best: 74.5 t/s
TTFT
- GPT-5.5 (High)
- Best: 36.1 s
- Claude Sonnet 5 (Max)
- 221 s
Input · $ / 1M tokens
- GPT-5.5 (High)
- $5×2.5 relative to the lowest price among the compared models
- Claude Sonnet 5 (Max)
- Best: $2
Output · $ / 1M tokens
- GPT-5.5 (High)
- $30×3 relative to the lowest price among the compared models
- Claude Sonnet 5 (Max)
- Best: $10
Context window
- GPT-5.5 (High)
- 1M
- Claude Sonnet 5 (Max)
- 1M
Reasoning
- GPT-5.5 (High)
- Yes
- Claude Sonnet 5 (Max)
- Yes
Open weights
- GPT-5.5 (High)
- No
- Claude Sonnet 5 (Max)
- No
Cost / task
- GPT-5.5 (High)
- Best: $1.40
- Claude Sonnet 5 (Max)
- $5.09×3.6 relative to the lowest price among the compared models
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 (High)37 · $1.40
- Claude Sonnet 5 (Max)38.2 · $5.09