OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
Usage › Claude Opus 5.5
Anthropic · LLM
An LLM from Anthropic, released Sep 22, 2026. It ranks #3 in performance and #15 in usage over the last 7 days.
| Performance rank | #3 · 1504 pts · 3,932 votes |
| Usage rank | #15 · 2.07T tokens |
| Output price | $20 per 1M tokens |
| Input price | $4 per 1M tokens |
| Context length | 1M tokens |
| Released | Sep 22, 2026 |
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Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.