Claude Opus 4.6 wins 70% of 31 blind community votes against GPT-5.2 on Rival.
| Spec | Claude Opus 4.6 | GPT-5.2 |
|---|---|---|
| Win rate | 70% | 30% |
| Input price | $5/M tokens | $1.75/M tokens |
| Output price | $25/M tokens | $14/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Dec 2025 |
| SWE-bench Verified | 80.8% | 80.0% |
Pick Claude Opus 4.6. In 31 blind votes, Claude Opus 4.6 wins 70% of the time. That's not luck.
Claude Opus 4.6 wins 3 categories, Reasoning by the widest margin.
GPT-5.2 is cheaper on both: 2.9× input, 1.8× output.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Claude Opus 4.6 uses 19.8x more emoji