Gemini 4 Argon scores 70.3 on the Respan Index (#3), ahead of Claude Opus 4.8 at 52.2 (#16). Gemini 4 Argon leads on 6 of the 7 benchmarks both report. Gemini 4 Argon is 2.5x cheaper per token at list price.
* Estimated: no published scores in that category. How the Respan Index works
| LMArena Agent (LMArena) |
| 0.0664 |
| 0.0757 |
| LMArena Elo | 1453 | 1525 |
| LMArena WebDev (LMArena) | 1556 | 1680 |
Higher is better. Each score links to where it was published.