Side-by-side comparison of pricing, ..., and generation speed.
| Metric | GPT-5.4 | Gemini 3 Pro Preview |
|---|---|---|
| Input ($/M tokens) | $2.5 | $2 |
| Output ($/M tokens) | $15 | $12 |
| Cached Input ($/M) | $0.25 | $0.2 |
| Context Window | 1050K | 1049K |
Data from Artificial Analysis API — 12 benchmarks
| Feature | GPT-5.4 | Gemini 3 Pro Preview |
|---|---|---|
| vision | ✅ | ✅ |
| Function Calling | ✅ | ✅ |
| streaming | ✅ | ✅ |
| JSON Mode | ✅ | ✅ |