Model Comparator
Compare up to four models using the same criteria.
2 models compared
- Claude Opus 4.6 (Max)
Anthropic
- GPT-5.3 Codex (Xhigh)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | Claude Opus 4.6 (Max) Anthropic | GPT-5.3 Codex (Xhigh) OpenAI | Add a model · 2/4 |
|---|---|---|---|
| Intelligence | 31.9 | Best: 32.5 | |
| Speed | 38.6 t/s | Best: 98.5 t/s | |
| TTFT | Best: 18.7 s | 71.5 s | |
| Input · $ / 1M tokens | $5×2.9 relative to the lowest price among the compared models | Best: $1.75 | |
| Output · $ / 1M tokens | $25×1.8 relative to the lowest price among the compared models | Best: $14 | |
| Context window | Best: 1M | 400K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No |
Intelligence
- Claude Opus 4.6 (Max)
- 31.9
- GPT-5.3 Codex (Xhigh)
- Best: 32.5
Speed
- Claude Opus 4.6 (Max)
- 38.6 t/s
- GPT-5.3 Codex (Xhigh)
- Best: 98.5 t/s
TTFT
- Claude Opus 4.6 (Max)
- Best: 18.7 s
- GPT-5.3 Codex (Xhigh)
- 71.5 s
Input · $ / 1M tokens
- Claude Opus 4.6 (Max)
- $5×2.9 relative to the lowest price among the compared models
- GPT-5.3 Codex (Xhigh)
- Best: $1.75
Output · $ / 1M tokens
- Claude Opus 4.6 (Max)
- $25×1.8 relative to the lowest price among the compared models
- GPT-5.3 Codex (Xhigh)
- Best: $14
Context window
- Claude Opus 4.6 (Max)
- Best: 1M
- GPT-5.3 Codex (Xhigh)
- 400K
Reasoning
- Claude Opus 4.6 (Max)
- Yes
- GPT-5.3 Codex (Xhigh)
- Yes
Open weights
- Claude Opus 4.6 (Max)
- No
- GPT-5.3 Codex (Xhigh)
- 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.
- Claude Opus 4.6 (Max)31.9 · $10
- GPT-5.3 Codex (Xhigh)32.5 · $4.81