Gemini 4 Argon scores 70.3 on the Respan Index (#3), ahead of Claude Sonnet 5.5 at 68.5 (#6). Claude Sonnet 5.5 leads on 4 of the 7 benchmarks both report. Both cost about the same per token at list price.
* Estimated: no published scores in that category. How the Respan Index works
| 0.1252 |
| 0.0757 |
| LMArena Elo | 1471 | 1525 |
| LMArena WebDev (LMArena) | 1786 | 1680 |
Higher is better. Each score links to where it was published.