Model Comparator
Compare up to four models using the same criteria.
2 models compared
- GPT-5 Codex (High)
OpenAI
✓ Best published value among measured models. — Data unavailable. These metrics do not establish an overall ranking.
| Metrics | GPT-5 Codex (High) OpenAI | Add a model · 2/4 | |
|---|---|---|---|
| Intelligence | 24.9 | 24.9 | |
| Math | 98.7 | — | |
| Speed | 169 t/s | Best: 178 t/s | |
| TTFT | 12.2 s | Best: 0.81 s | |
| Input · $ / 1M tokens | $1.25 | $1.25 | |
| Output · $ / 1M tokens | $10×2.4 relative to the lowest price among the compared models | Best: $4.25 | |
| Context window | 1M | 1M | |
| Reasoning | Yes | Yes | |
| Open weights | No | Yes | |
| Cost / task | — | $2.02 |
Intelligence
- GPT-5 Codex (High)
- 24.9
- Muse Spark Open (Xhigh)
- 24.9
Math
- GPT-5 Codex (High)
- 98.7
- Muse Spark Open (Xhigh)
- —
Speed
- GPT-5 Codex (High)
- 169 t/s
- Muse Spark Open (Xhigh)
- Best: 178 t/s
TTFT
- GPT-5 Codex (High)
- 12.2 s
- Muse Spark Open (Xhigh)
- Best: 0.81 s
Input · $ / 1M tokens
- GPT-5 Codex (High)
- $1.25
- Muse Spark Open (Xhigh)
- $1.25
Output · $ / 1M tokens
- GPT-5 Codex (High)
- $10×2.4 relative to the lowest price among the compared models
- Muse Spark Open (Xhigh)
- Best: $4.25
Context window
- GPT-5 Codex (High)
- 1M
- Muse Spark Open (Xhigh)
- 1M
Reasoning
- GPT-5 Codex (High)
- Yes
- Muse Spark Open (Xhigh)
- Yes
Open weights
- GPT-5 Codex (High)
- No
- Muse Spark Open (Xhigh)
- Yes
Cost / task
- GPT-5 Codex (High)
- —
- Muse Spark Open (Xhigh)
- $2.02
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 Codex (High)24.9 · $3.44
- Muse Spark Open (Xhigh)24.9 · $2