Claude Sonnet 4 vs Gemini 4 Argon
| Spec | Claude Sonnet 4 | Gemini 4 Argon |
|---|---|---|
| Respan Index | 20.7 (#113) | 69.1 (#8) |
| Blended price per 1M | - | $2 |
| Context window | 200K | - |
| Input / output per 1M | - | $1 / $5 |
| Max output | 64K | 1M |
| Input | text, vision | text, vision, video |
| Released | 2025-05-22 | 2026-09-30 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | Claude Sonnet 4 | Gemini 4 Argon |
|---|---|---|
| Coding | 8.4 Claude Sonnet 4 | 55.9 Gemini 4 Argon |
| Agents | 17.6 Claude Sonnet 4 | 77.1 Gemini 4 Argon |
| Reasoning | 22.6 Claude Sonnet 4 | 78.1 Gemini 4 Argon |
| Knowledge & language | 17.2* Claude Sonnet 4 | 76.0 Gemini 4 Argon |
| Human preference | 45.6 Claude Sonnet 4 | 58.3 Gemini 4 Argon |
* Estimated: no published scores in that category. How the Respan Index works
Benchmarks both report
Gemini 4 Argon leads on 4 of the 4 benchmarks both report. Higher is better. Each score links to where it was published.
FAQ
Is Claude Sonnet 4 better than Gemini 4 Argon?
Gemini 4 Argon scores 69.1 on the Respan Index (#8), ahead of Claude Sonnet 4 at 20.7 (#113). Gemini 4 Argon leads on 4 of the 4 benchmarks both report.