OpenRouter · Vercel · CC BY 4.0
Arena · CC BY 4.0
Usage › GPT-5.5
OpenAI · LLM
An LLM from OpenAI, released Apr 24, 2026. It ranks #16 in performance and is outside the top 20 in usage over the last 7 days.
| Performance rank | #16 · 1481 pts · 69,312 votes |
| Usage rank | Outside top 20 |
| Output price | $30 per 1M tokens |
| Input price | $5 per 1M tokens |
| Context length | 1.05M tokens |
| Released | Apr 24, 2026 |
chatgpt.com — Open the official site, chatgpt.com (new tab)
Source: OpenRouter (usage Sep 25 – Oct 1 · prices), Arena (performance · quality) · CC BY 4.0. Prices are converted at fixed exchange rates.