Compare models
Pick up to three models.
 Grok 4.5 |  GPT-5.1 | |
|---|---|---|
| AA Intelligence Index | 54 | 39 |
| Context window | 500K tokens | 400K tokens |
| Input $/MTok | $2 / MTok | $1.25 / MTok |
| Output $/MTok | $6 / MTok | $10 / MTok |
| Modalities | text, image, code | text, image, audio, code |
| API | Yes | Yes |
| Open source | No | No |
Intelligence Index scores are sourced from Artificial Analysis, an independent evaluator — not Timace's own judgment.