Model Comparator
Compare up to four models using the same criteria.
2 models compared
- o3
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | o3 OpenAI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | Best: 20.4 | 20.2 | |
| Math | Best: 91.7 | 88.3 | |
| Speed | Best: 173 t/s | 112 t/s | |
| TTFT | 18.8 s | Best: 7.12 s | |
| Input · $ / 1M tokens | Best: $0.25 | $2×8 relative to the lowest price among the compared models | |
| Output · $ / 1M tokens | Best: $2 | $8×4 relative to the lowest price among the compared models | |
| Context window | Best: 400K | 200K | |
| Reasoning | Yes | Yes | |
| Open weights | No | No |
Intelligence
- GPT-5.1 Codex mini (High)
- Best: 20.4
- o3
- 20.2
Math
- GPT-5.1 Codex mini (High)
- Best: 91.7
- o3
- 88.3
Speed
- GPT-5.1 Codex mini (High)
- Best: 173 t/s
- o3
- 112 t/s
TTFT
- GPT-5.1 Codex mini (High)
- 18.8 s
- o3
- Best: 7.12 s
Input · $ / 1M tokens
- GPT-5.1 Codex mini (High)
- Best: $0.25
- o3
- $2×8 relative to the lowest price among the compared models
Output · $ / 1M tokens
- GPT-5.1 Codex mini (High)
- Best: $2
- o3
- $8×4 relative to the lowest price among the compared models
Context window
- GPT-5.1 Codex mini (High)
- Best: 400K
- o3
- 200K
Reasoning
- GPT-5.1 Codex mini (High)
- Yes
- o3
- Yes
Open weights
- GPT-5.1 Codex mini (High)
- No
- o3
- 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-5.1 Codex mini (High)20.4 · $0.688
- o320.2 · $3.50