Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5.1 Codex (High)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5.1 Codex (High) OpenAI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | Best: 23.8 | 23.7 | |
| Math | — | 95.7 | |
| Speed | Best: 176 t/s | 126 t/s | |
| TTFT | Best: 0.79 s | 7.22 s | |
| Input · $ / 1M tokens | $1.50×1.2 relative to the lowest price among the compared models | Best: $1.25 | |
| Output · $ / 1M tokens | Best: $9 | $10×1.1 relative to the lowest price among the compared models | |
| Context window | Best: 1M | 400K | |
| Reasoning | No | Yes | |
| Open weights | No | No |
Intelligence
- Gemini 3.5 Flash (Minimal)
- Best: 23.8
- GPT-5.1 Codex (High)
- 23.7
Math
- Gemini 3.5 Flash (Minimal)
- —
- GPT-5.1 Codex (High)
- 95.7
Speed
- Gemini 3.5 Flash (Minimal)
- Best: 176 t/s
- GPT-5.1 Codex (High)
- 126 t/s
TTFT
- Gemini 3.5 Flash (Minimal)
- Best: 0.79 s
- GPT-5.1 Codex (High)
- 7.22 s
Input · $ / 1M tokens
- Gemini 3.5 Flash (Minimal)
- $1.50×1.2 relative to the lowest price among the compared models
- GPT-5.1 Codex (High)
- Best: $1.25
Output · $ / 1M tokens
- Gemini 3.5 Flash (Minimal)
- Best: $9
- GPT-5.1 Codex (High)
- $10×1.1 relative to the lowest price among the compared models
Context window
- Gemini 3.5 Flash (Minimal)
- Best: 1M
- GPT-5.1 Codex (High)
- 400K
Reasoning
- Gemini 3.5 Flash (Minimal)
- No
- GPT-5.1 Codex (High)
- Yes
Open weights
- Gemini 3.5 Flash (Minimal)
- No
- GPT-5.1 Codex (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.
- Gemini 3.5 Flash (Minimal)23.8 · $3.38
- GPT-5.1 Codex (High)23.7 · $3.44