Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Claude 4.5 Sonnet (Reasoning)
Anthropic
- GPT-5.4 nano (Xhigh)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Claude 4.5 Sonnet (Reasoning) Anthropic | GPT-5.4 nano (Xhigh) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 20.7 | 20.7 | |
| Coding | 52.1 | Best: 56.1 | |
| Math | 88 | — | |
| Agentic | 15.8 | Best: 16 | |
| Speed | 44.1 t/s | Best: 166 t/s | |
| TTFT | Best: 14.1 s | 81 s | |
| Input · $ / 1M tokens | $3×15 relative to the lowest price among the compared models | Best: $0.20 | |
| Output · $ / 1M tokens | $15×12 relative to the lowest price among the compared models | Best: $1.25 | |
| Context window | Best: 1M | 400K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No | |
| Cost / task | $0.557×3 relative to the lowest price among the compared models | Best: $0.183 |
Intelligence
- Claude 4.5 Sonnet (Reasoning)
- 20.7
- GPT-5.4 nano (Xhigh)
- 20.7
Coding
- Claude 4.5 Sonnet (Reasoning)
- 52.1
- GPT-5.4 nano (Xhigh)
- Best: 56.1
Math
- Claude 4.5 Sonnet (Reasoning)
- 88
- GPT-5.4 nano (Xhigh)
- —
Agentic
- Claude 4.5 Sonnet (Reasoning)
- 15.8
- GPT-5.4 nano (Xhigh)
- Best: 16
Speed
- Claude 4.5 Sonnet (Reasoning)
- 44.1 t/s
- GPT-5.4 nano (Xhigh)
- Best: 166 t/s
TTFT
- Claude 4.5 Sonnet (Reasoning)
- Best: 14.1 s
- GPT-5.4 nano (Xhigh)
- 81 s
Input · $ / 1M tokens
- Claude 4.5 Sonnet (Reasoning)
- $3×15 relative to the lowest price among the compared models
- GPT-5.4 nano (Xhigh)
- Best: $0.20
Output · $ / 1M tokens
- Claude 4.5 Sonnet (Reasoning)
- $15×12 relative to the lowest price among the compared models
- GPT-5.4 nano (Xhigh)
- Best: $1.25
Context window
- Claude 4.5 Sonnet (Reasoning)
- Best: 1M
- GPT-5.4 nano (Xhigh)
- 400K
Reasoning
- Claude 4.5 Sonnet (Reasoning)
- Yes
- GPT-5.4 nano (Xhigh)
- Yes
Open weights
- Claude 4.5 Sonnet (Reasoning)
- No
- GPT-5.4 nano (Xhigh)
- No
Cost / task
- Claude 4.5 Sonnet (Reasoning)
- $0.557×3 relative to the lowest price among the compared models
- GPT-5.4 nano (Xhigh)
- Best: $0.183
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 4.5 Sonnet (Reasoning)20.7 · $0.557
- GPT-5.4 nano (Xhigh)20.7 · $0.183