Gemini 3 Pro Preview is the newer model, released after GPT-5.1-Codex.
| Spec | Gemini 3 Pro Preview | GPT-5.1-Codex |
|---|---|---|
| Input price | — | $1.25/M tokens |
| Output price | — | $10/M tokens |
| Context window | — | 400K tokens |
| Released | Nov 2025 | Nov 2025 |
| SWE-bench Verified | 76.2% | 73.7% |
Not enough votes to call it. On the specs, Gemini 3 Pro Preview has the edge.
Gemini 3 Pro Preview wins Image Generation and Reasoning.
Gemini 3 Pro Preview uses 2.2x more bold
Gemini 3 Pro Preview is the newer model, released after GPT-5.1-Codex.
| Spec | Gemini 3 Pro Preview | GPT-5.1-Codex |
|---|---|---|
| Input price | — | $1.25/M tokens |
| Output price | — | $10/M tokens |
| Context window | — | 400K tokens |
| Released | Nov 2025 | Nov 2025 |
| SWE-bench Verified | 76.2% | 73.7% |
Not enough votes to call it. On the specs, Gemini 3 Pro Preview has the edge.
Gemini 3 Pro Preview wins Image Generation and Reasoning.
Gemini 3 Pro Preview uses 2.2x more bold